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Seeds acuminate at micro- 

 pyle, fruit-calyx large 

 and convolute ...2. D. acnta. 



Seeds not acuminate, fruit- 

 calyx small and thin ...J D. attenuate. 



Fruit-calyx forms deep cup 

 (18 mm.) ..^ D. oppositifolia. 



ENDOSPERM RUMINATE. 

 Cotyledons persistent. 

 Seeds short (14 mm.), globular ../ D. sylvatica. 



Cotyledons dropping. 

 Hypocotyl short (15 to 20 mm.), epi- 



cotyledonary stem long, with leaf 



rudiments (65 mm.) ...//.D. insignis. 



Hypocotyls long (60-110 mm.), 



epicotyledonary stem short (3-15 



mm.). 



Fruits small, 27 x 23 mm. 



Fruit wall with dense layer of 



brown hairs, fruit 8-celled ..j< I), kirsuta. 

 I Fruit wall when old nearly 



glabrous, fruit 4-celled ../T D. Thwaitesii. 



Fruit large, 36 x 33 mm. 

 Seeds flat and thin. 

 Testa deeply striated, fruit- 



calyx small, thin ..{ft. D. Mooiiii. 



Fruit-calyx large, woody, 

 strongly recurved -to, D. crumeiiata. 



Seeds wedge-shaped or semi-lunar. 



Fruits globular, fruit-calyx 



large, thick, and undulate ?: D. Melauoxyloil. 



Fruits apiculate or flattened 

 at top, fruit-calyx thin 

 and small ...M I), alfinis. 



