14 KEY TO PLANTS. 
Leaves cauline, linear. Flowers herma- 
phrodite. Petals free. Ovules numer- 
ous. America. Mayaceae. 
(b) Ovary 2-3-celled. Flowers cymose. 
Commelinaceae. 
29 (a) Ovaries and styles 6 or more, distinct. 
Seeds exalbuminous. Water- or marsh- 
plants. Leaves stalked. Flowers usu- 
ally whorled. Alismaceae 
(6) Ovary 1. Styles 1-5. Seeds albuminous. 
30. 
30 (a) Ovules in each cell of the ovary 1-10. 
Stigma 1, entire or lobed, more rarely 2-4, 
in this case flowers unisexual. Fruit a 
loculicidal capsule, rarely an achene or 
nut.* Flowers hermaphrodite, polygam- 
ous, or dicecious. al. 
(b) Ovules in each cell of the ovary numerous. 
Stigmas 3-5, sometimes twisted together. 
Flowers hermaphrodite. Fruit a septi- 
cidal capsule or a berry. 33. 
31 (a) Anthers attached by their back. Albu- 
men fleshy or cartilaginous. Leaves 
* So also some LHriocauleae with moncecious flowers, 
the perianth-leaves of which are equal in colour and con- 
sistence, but separated in calyx and corolla by shape and 
cohesion. 
