(51) 
7. Acanthomintha.—Lower pair of stamens 
ascending. Cells of the anthers divar- 
icate. Calyx 2-labiate, teeth spinose. 
8. Lophanthus.—Upper pair of stamens 
longer and declined, lower pair shorter 
and ascending. Anther cells parallel. 
Calyx 15-nerved. 
9. Trichostemma.—Stamens long-exserted, 
lower pair longer. Tube of corolla slen- 
der; limb 5-cleft, lobes oblong, declined. 
Il, Angiospermia. 
A. Base of the anther cells mucronate. 
a. Ovary 1-celled w-ovulate, placente 
parietal. 
1. Anoplanthus.—Flowers without bract- 
lets. Parasitic. Chlorophyll 0. 
2. Aphyllon.—Flowers with bractlets. 
Parasitic. Chlorophyll 0. 
b. Ovary 2-celled, w-ovulate. Fruit I- 
oo-seeded. 
1. Pedicularis.—Calyx 5-dentate, superior 
lip of corolla laterally compressed. 
B. Base of anther cells not mucronate. 
a. Ovary t-celled. Placenta -seeded, 
central. 
1. Limosella.—Calyx 5-dentate. Corolla 
subregulayr. 
