(169) 



2. 0. Californicus Choisy. Margin of co- 

 rolla entire; stigmas linear-oblong, flat; bracts 

 at the base of the calyx; corolla white or red- 

 dish. — Berkeley. Summer. 



3. C. LUTEOLUS Gray. Margin of corolla 

 entire; stigmas linear, flat; bracts distant from 

 the calyx; corolla pale-yellow, sometimes red- 

 dish. — Common. Summer. 



4. C. ARVENSis L. Margin of corolla en- 

 tire; stigmas filiform; bracts at the base of the 

 pedicel and minute; corolla white, sometimes 

 tinged with rose. — Common. Summer. 



5. C. PENTAPETALOIDES L. Corolla deeply 

 5-cleft, purplish. — 0. Not common. Contra 

 Costa. Summer. 



3. Cressa L. 



Corolla funnel-shaped, 5-parted, not plicate. 

 Styles 2. Cells of the ovary 2-o.vulate. Fruit 

 a 1-seeded capsule. — U- 



1. C. CRETiCA L. Corolla white, silky out- 

 side. — Seashore. Smnmer. 



4. Cuscuta Touru. Dodder. 



Aphyllous. Destitute of chlorophyll. Co- 

 rolla urceolate. Limb 4-5-lobed. Ovary 2- 

 celled; cells 2-ovulate. Capsule indehiscent, 

 sometimes circumscissile. Embryo spiral. 

 Cotyledons 0. 

 8 



