( 70 ) 



Fruit-calyx small, thin, seg- 

 ments rounded, first epicotyl 

 leaf average size, 20 mm. longi,D. llioiitana. 



Cotyledons dropping. 



Hypocotyls short (10-50 mm.), 

 epicotyledonary stems long 

 (40-70 mm.). 



Seeds irregular in shape, 

 deeply grooved, hypocotyl 

 ltf-30 mm., fruit calyx 

 segments undistinguish- 

 able ...tfD. oocarpa. 



Seeds oval - elliptical or 

 wedge-shaped, hypocotyl 

 40-50 mm. long ...^.D. Toposia. 



Hypocotyl long (30-100 mm.), 

 epicotyledonary stems short 

 (3-40 mm.). 



Seedlings densely pubescent fe I), prnriens. 

 Seedling glabrous or nearly 



so. 



* Seeds rounded and short 

 (9 mm.), testa super- 

 ficially striated ... / D. ovalifolia. 

 ** Seeds large and flat, 30 mm. 

 long. 



Testa transversely stria- 

 ted, epicotyledonary 

 leaves opposite ..J D. quresita. 

 Testa not striated, 

 epicotyledonary leaves 

 sub-opposite ...3 I). Embryopteris. 



*** Seeds semi-lunar or wedge- 

 shaped. 



