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Cereus. March 31.— Pot I yellow wool. one dot to 4 dots. injected concentrated sol. of S. of Quinine in plain water.— Ap. 17th no effect

5 dots a minute gr. of S. of Quinine. (Ap 17 not quite healed possibly a little swollen.)

Cereus March 31. Pot I white Thread 1 to 3 dots pure conc. Formic acid.) (a)

(1 dropped drop of con. Formic A. to 60 drop or 1 dr of water— in 4 places marked by from 1 to 4 black crosses (Ap 17th. basal one alone is little swelling.)

Cereus. March 31 Pot I Black-thread 4 points with 1 drop of Formic acid to 1 oz or 8 dr. of water— Points marked only by dabs of grafting wax.— (Ap. 11th 2 points with decided swelling after grafting wax removed.) (Ap 17' do but swelling slight.—

Cereus March 31. Pot. I. Black + White Thread. 4 point with 1 drop of conc. Formic a. to 60 drops of S. of Quinine in water marked only by dabs of grafting wax.—

(April 11th slight yellowish swelling on all 3 points, removed grafting wax from lower one.) — 17th— I pulled off coat of wax & a soft plug of matter came out — slight swelling in another case.

[1v]

(a) The conc. F. a. had killed space, but there is odd green look round some of spaces.

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Cereus. Ap. 12 Pot I White wool — 5 upper puncture with 1 dropped drop of Formic a. to 4 dr. of water— 3 lower puncture in transverse line 1 dropped drop of Formic a. to 61 drops of Sol. of S. of Quinine.— Also below white wool— one puncture with little sol. & no grafting wax put on puncture.— (Ap 17th no effect.)

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Crassula Pot— I. March 31 Black & white Thread— Terminal bud & 5 leaves with dabs of grafting wax (now on terminal bud) of 1 dropped drop of Formic a. to 60 drops of con. sol. of S. of Quinine.—

Crassula.— April. I. Pot I yellow wool. Conc. sol. of S. of Quinine central bud not marked & 4 leaves & 2 punctures on stem injected marked with grafting wax. (Ap. 18th no effect except puncture killed)

Crassula Pot I. Ap. 1' White Thread Conc. sol. of Formic a.

4 young leaves & central bud (latter not marked) & 2 on stem injected. N.B. leave opposite stem-puncture accidentally marked with grafting wax.—

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Crassula Pot. I. April 1' Black thread 1 dropped drop of Con. Formic Acid to 65 drops of water (measured) 4 leaves near apex & 2 on stem. — (I am not sure about marks by grafting wax in one case.—

Crassula Pot. I. April 1. Black & white Thread. 1 dropped drop of Formic acid to 60 drop of concent. S. of Quinine in water — central bud (not marked) 4 leaves & 2 point in stem injected.

Crassula Pot I. Ap. 2d Red wool— Curare & water with dash of Formic acid.

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Cereus Pot 2. Ap 1. Black & white thread 1 drop of Formic a. to 60 drops of con. sol. of S. of Quinine injected at 2 points one low down stem. (Ap 17th upper puncture decided swelling — lower puncture slight swelling)

Cereus Pot. 2. Ap. 1. Red wool above red wool 3 points & on apex curare curare & water — below red wool curare & water with rod just dipped in Formic a. & added to sol. 4 points injected.

(Ap. 17th 1 point with curare & water decidedly swollen, but swelling diffused.

(Ap 17' curare + Formic a.— 1 puncture swollen — 1 very slightly — 2 punctures killed!!)

Cereus Pot. 2. Ap. 4th above white thread, 3 points with rather strong sol. of acetate of strychnine (Ap. 17th very little effect, perhaps trace of swelling in 1 case.)

do — between white & black thread 60 drops of same sol. of strychnine with 1 dropped drop of Formic acid.

(Ap. 15th at least one decided pimple.) (18th all decided swelling

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Cereus Pot 2. Ap. 4th. Below Black-thread, 3 upper points with rather strong sol. of Valerianate of atropine — 3 lower points with do sol. with dropped drop of Formic a.—

Ap. 18'.— upper puncture only just perceptible swelling— lower ones with + Formic A— very large, almost globular swelling.

Cereus Pot. 2. Ap. 4. Above yellow wool. 3 point with 1 percent sol. of nicotine (old) — Below yellow wool— 3 point with sol. of 1/2 Sol of Quinine & 1/2 of the nicotine

Below white wool — 3 points with old oleic a.

(Ap. 18. above yellow very minute swelling (perhaps more puncture & grafting wax does this) Below yellow one puncture a little swollen) Below white w. slight swelling.

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Pelargonium zonale. Pot I. Ap 5. Above White Thread— 2 points on stem & petiole of youngish leaf injected with con. sol. of S. of Quinine.— But the short young internode on summit with 1/2 sol. of Quinine & 1/2 formic acid 1 drop to 60 of water.

Below white thread 1 point same mixture & petiole of one nearly full-grown leaf.—

Pelargonium do— — Above black thread formic acid (2 points) 1 drop to 60 of water.— But very short internode on summit with the above mixture of Quinine & formic acid— Also below black Thread 2 points with same mixture.

(Ap. 18th I can see no effect.)

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Oak. Ap 7th White Thread, 1 poi 2 dropped drops of Formic a. to 65 of water — 1 puncture on stem — 1 on midrib Lower side of leaf & on leading bud, latter not marked 1 lower down stem with pure Formic a.

(Ap. 18th Lower part of stem killed— upper puncture much injured no swelling.)

do.— Double White thread 2 punctures on stem pure Formic a

1 puncture on lower midrib of young leaf.

(Ap. 18th top of tree killed, lower part much injured

do Black Thread conc. sol. of S. of Quinine; 1 puncture on stem — one one lower midrib of leaf.

(Ap. 18th. Certainly a slight swelling on stem:— perhaps on midrib & lateral veins.

do Black & White Thread Ap. 8th. 2/2 S. of Quinine & 1/2 2 drops of Formic a. to to 65 of water — 2 punctures on stem, one stem very young, & 3 on leaves all with dabs of wax.

(Ap. 18th no effect.— Leaves killed over considerable spaces.

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Rose. (Boarsault amadis) Ap. 7. Double white thread 1 puncture on stem 2 puncture on petioles with 2 dropped drops of Formic a. to 65 of water. And leading bud on one side, all with dabble of grafting wax.—

do. Single white Thread— pure Formic a. 1 puncture on stem, 1 on side of leading bud — 1 on lower midrib of leaflet. 1 on upper do of very young leaf.—

do. Black Thread con. sol. of S. of Quinine in water 1 puncture on young stem; 1 on upper surface of up very young leaf; 1 on, mi lower midrib of opposite leaf.—

do. Ap. 8th Black & white Thread 1/2 S. of Quinine & 1/2 2 drops of Formic a. to 65 drops of water — 1 puncture of stem; 1 laterally on bud — 2 punctures on petioles of leaves.

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Vicia faba. Ap. 8th Black & white Thread 1' puncture on stem of Epicotyl on level with ground with 1/2 S. of Q. & 1/2 2 drops of Formic. a. to 65 of water. — Ap 16' no effect

do. Ap. 9th. White Thread. 1 puncture on stem of epicotyl with 2 drops of Valerianic a. to 60 drops of water Ap 16th no effect

do. Ap. 9th Black thread. 1 puncture on epicotyl with 2 drops of Caproic a. to 60 of water.— Ap. 16' no effect

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Cereus Pot 3. Ap 8' above black Thread — 2 upper punctures with pure Propionic Acid— below black Thread 2 lower punctures with 2 dropped drops of do acid to 60 of water.

(Ap. 18th. Large space killed round upper puncture & even lower puncture killed.—

do. —above white Thread. 2 upper puncture pure Butyric A— 3 lower puncture with 3 dropped drops of do & 70 drops of water.—

(Ap. 18th upper puncture killed, but not so deadly as Propionic — lower punctures no effect &) no swelling)

do Ap. 9th. Pale green wool; above wool 4 points with pure Valerianic A— 3 below wool with 2 dropped drops of do a. to 60 of water

(Ap. 18th Upper puncture killed considerable spaces— lower puncture killed just round puncture, but no swelling.)

do. April 9th white wool — 3 punctures above with pure Caproic a. & 3 punctures below with 2 dropped drops drops of do to 60 of water

(Ap. 18th Upper puncture, immense space killed— lower puncture no swelling, no effect.—

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Trifolium resupinatum—. Ap. 12th 2. White Thread stem puncture in 2 places with 1 dropped drop— of Formic acid to 4 dr. of water

do.— 2. Black Thread— puncture with 1 dropped drop of Formic a. to 60 drops of conc. sol. of S. of Quinine.

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Jointed Cereus. Ap. 12th. White Thread, puncture with 1 dropped drop of Formic a. to 4 dr. of water; 1 puncture on very young internode & 3 on the next + 1 not dabbed with wax. Ap. 18' seems only to have killed

do. Black Thread another leaf, 1 puncture with dr weak Formic. a. on very young joint & 2 on next joint. + 1 not dabbed with wax. Ap. 18' seems only to have killed

do. White wool. 3 punctures + 1 on margin with 1 dropped drop of Formic a. to 60 drops of S. of Quinine.— Ap. 18' seems only to have killed.