MONOCOTYLEDONS. 15 
linear. Anthers dehiscing by two longi- 
tudinal slits. Ovules anatropous. 
Juncacene. 
(b) Anthers attached by their base. Albumen 
mealy. 32. 
32 (a) Anthers dehiscing by 1 pore or short slit 
at the apex. Ovules anatropous. Corolla 
gamopetalous. Herbs with an un- 
branched scape and radical leaves. 
Flowers capitate (very rarely spicate 
or umbellate), regular, hermaphrodite. 
Stigma entire. South America. 
Rapateaceae. 
(>) Anthers dehiscing by 2 pores or slits. 
Ovules orthotropous. Corolla usually 
polypetalous, more rarely gamopetalous, 
but then herbs with a branched stem. 
Flowers usually cymose. 
Commelinaceae. 
33 (a) Albumen fleshy. Leaves scattered on an 
erect stem, rarely only three net-veined 
leaves at the summit of the stem. 
Flowers solitary, or in few-flowered 
inflorescences. Petals free. Anthers 
attached at the base, dehiscing by two 
longitudinal slits. Ovules anatropous. 
Liliaceae. 
