[197]

Sachs Physiologie Végétale (French Translation) 1868—

p 199 Advantage of close contact between cell wall & fragment

p 202-5

p 205— Attachment of fragments

[Movement in plants, p. 69: "Sachs has shown* how well and closely root-hairs adapt themselves by growth to the most irregular particles in the soil, and become firmly attached to them. This attachment seems to be effected by the softening or liquefaction of the outer surface of the wall of the hair and its subsequent consolidation, as will be on some future occasion more fully described. This intimate union plays an important part, according to Sachs, in the absorption of water and of the inorganic matter dissolved in it. The mechanical aid afforded by the root-hairs in penetrating the ground is probably only a secondary service.
* 'Physiologie Végétale,' 1868, pp. 199, 205."]