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Nitschke on Drosera

Bot. Zeitung 1860

no 26 27 28

1861

p 145. — Caspary 182

— 248

N. p. 308.

Warming says that N. says that tentacles graduate into Hair p. 253, I do not know which year.—

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p 146 Discussion with references on Homological nature of petiole of Aldrovanda

[Insectivorous plants, p. 322: * There has been much discussion by botanists on the homological nature of these projections. Dr. Nitschke ('Bot. Zeitung,' 1861, p. 146) believes that they correspond with the fimbriated scale-like bodies found at the bases of the petioles of Drosera."]

p 150 = consider this t. on petioles near leaf as hairs

p 234 papillæ

[Insectivorous plants, p. 230: "As, however, their backs had to be supported during the operation, some of the outer glands, as well as those on the disc, may have been touched; and this perhaps sufficed to cause the slight degree of movement observed. Nitschke*says that cutting and pricking the leaf does not excite movement. The petiole of the leaf is quite insensible.
* 'Bot. Zeitung,' 1860, p. 234.]

p 235 — do not say rudiments if rudiments of anything of lateral tentacles, but probably not so —

p 241. t. prolongation of leaf — most probable view of basal portion of all

[Insectivorous plants, p. 5: "Nitschke has shown that they include all the elements proper to the blade of a leaf; and the fact of their including vascular tissue was formerly thought to prove that they were prolongations of the leaf, but it is now known that vessels sometimes enter true hairs.†
† Dr. Nitschke has discussed this subject in 'Bot. Zeitung,' 1861, p. 241 &c. See also Dr. Warming ('Sur la Différence entre les Trichomes' &c., 1873), who gives references to various publications."]

244 — Red fluid metamorphosed chlorophyll (He does not seem to have seen 2 layers of cells within the outer layers)

p 253