( 26 ) 
b. Ovary 1, with two opposite placente. 
1. Gentiana.—Lobes of the corolla without 
nectaria. Capsule o-seeded. Seeds 
minute. 
2. Nemophila.—Calyx with reflexed, sin- 
uses. Stamens shorter than the corolla. 
Capsule 2-valved. Placentw# detached 
from the exocarp. 
3.  Ellisia.—Calyx without reflexed sinuses. 
Stamens shorter than the corolla. Cap- 
sule 2-valved. Placenta detached from 
the exocarp. 
4. Phacelia.—Corolla deciduous. Stamens 
exserted, equal. Capsule loculicidal. 
5. Emmenanthe.—Corolla persistent. Sta- 
mens exserted, equal. Capsule loculi- 
cidal. 
6. Eriodictyon.—Capsule 4-valved (locu- 
licidal and septicidal). Shrub. 
ce. Ovary 1. Seeds few. Placentce on 
the base of the ovary. 
1. Cuscuta.—Capsule circumscissile. Par- 
asite. 
C. Corolla 5-petaled. Floral parts inferior. 
1. Heuchera.—Ovary l-celled. Capsule 
o-ovulate, dehiscent by valves. Pla- 
