MONOCHLAMYDEAE. 41 
buminous. Leaves exstipulate. Ovules 
pendulous. 60. 
(6) Stigma, 1, trilobed, or stigmas 2-5. Seeds 
albuminous. Leaves usually stipulate. 
Ovules usually erect. 61. 
60 (2) Herbs or undershrubs. Flowers race- 
mose. Perianth-leaves distinct. Stamens 
hypogynous, 2, 4, or 6. Embryo curved. 
Leaves alternate. Perianth-leaves 4, 
imbricate. Cruciferae. 
(4) Shrubs or trees. Flowers capitate, um- 
bellate, or fascicled. Perianth-leaves 
united below. Stamens perigynous, 5 
or 8-12. Embryo straight. Leaves 
entire. Perianth-lobes 4-5, imbricate. 
Tropics of the Old World. 
Thymelaeaceae. 
61 (az) Herbs or undershrubs, rarely low shrubs, 
in the latter case stamens 8-10. Peri- 
anth-segments imbricate in bud. Em- 
bryocurved. Albumen mealy. Flowers 
solitary or cymose. Stigmas 2-5. 
Ficoideae. 
(2) Shrubs or trees. Stamens 4-6. Perianth- 
seoments valvate in bud. Embryo 
straight. Albumen fleshy. Stamens 
perigynous. Ovules erect. Rhamneae. 
