The physiological action of the oil and seeds of Croton elliotianus from British East Africa / by J. Theodore Cash and Walter J. Dilling.

  • Cash, John Theodore, 1854-1936.
Date:
1914
Catalogue details

Licence: In copyright

Credit: The physiological action of the oil and seeds of Croton elliotianus from British East Africa / by J. Theodore Cash and Walter J. Dilling. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    DESCRIPTION OF THE SEED Viewed from above the seed is oval, slightly beaked at its an- terior and truncated at its posterior extremity, convex upon the dorsum, which has a faintly marked median ridge; the ventral surface shows two flattened facets separated by a longitudinal ridge which is approximately median in position. The testa, which is thin but resistant, is of a dull chestnut to reddish-brown tinge, its surface is convoluted owing to the presence of many Fig. 1. Seeds of Croton Elliotianus Enlarged (f) o, dorsal surface; b, ventral surface of seed intact; c, endosperm showing part of tegmen and testa in situ. The centimeter scale is correspondingly enlarged. primary and secondary ridges which are separated by shallow sulci, the appearance being roughly suggestive of the cerebral surface. The tegmen, which on breaking the testa remains attached to the fragments, is delicate and silvery. The endosperm fully occupies the cavity formed by the seed coats, it is waxy and buffish-yellow in appearance, evidently oil-containing, and mark-
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