VASCULAR PLANTS. 61 



4. Phacelia, Juss. 



Calyx 5-parted; sinuses naked; lobes equal. 

 Corolla campanulate, deciduous. Ovary in- 

 completely 2 - locular, or 1 - locular with two, 

 parietal placentae; number of ovules variable; 

 stigma 2-cleft. Capsule 1-locular, or incom- 

 pletely 2-locular, loculicidal. 



0. 11. iniloresceiice circiiiate, cymose; flow- 

 ers blue, red, white. 



5. Ellisia, L. 



Calyx 5-parted; sinuses naked. Corolla cam- 

 panulate. Stamens included. Ovary 1-locular, 

 with 2 parietal placentae; stigma 2-cleft. Cap- 

 sule membranaceous, loculicidal; the placentas 

 separating from the capsular valves, simulating 

 a second, internal capsule. 



0. flowers pale. 



6. Nemophila, Nutt. 



Calyx with reflexed appendiculate sinuses. 

 Corolla campanulate. Stamens included. Ovary 

 1-locular, with 2 parietal placenta 1 ; stigma 2- 

 cleft. Capsule membranaceous, loculicidal, 

 the placenta) separating from the capsular 

 valves, simulating a second, internal, capsule. 



0. flowers blue, violet, pale. 



7. Hydrophyllum, Tournef. 



Corolla tubular. Stamens exserted. Ovary 

 -locular, 4-ovulate, on 2 parietal placentae; 



