4 SOUTH AFRICAN BOTANY 
w-endosperim ,t 
cotyledon y) 
GI } y 
Fid. 2.—The Castor-Oil Seed and its Germination. 
i. Testa. ¢. Endosperm. 7. Radicle, h, Hypocotyl, c. Cotyledon. 
f. Foliage leaves, 
