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nal, long exserted. Fruit an akene, linear, 

 terete, caudate by the elongated, plumose, 

 twisted style. — ^ 



1. C. PARViFOLius Nutt.— San Leandro. 

 Lake Cliabot. Spring. 



Family 5. ROSACEA. 

 Carpidia co, 1-ovulate, indehiscent, included 

 in the fleshy tube of the calyx. Stamens gc. 



1. Rosa Toum. KosE. 



Calyx-tube urceolate, constricted at the 

 throat; limb 5-parted. Petals 5. Styles lat- 

 eral, exserted. Fruit co-akeues, included in 

 the fleshy calyx- tube. — ^ . 



1. K. Califoenica Cham. & Schlecht. Fol- 

 iage and inflorescence tomentose; fruit globose; 

 calyx lobes ]3ersistent. — Common. Summer. 



2. R. GYMNOCARPA Nutt. Glabrous; petioles 

 and stipules glandular; fruit ovate; calyx lobes 

 deciduous. — Tamalpais. Summer. 



Family 6. CALYCANTHE^. 



Calyx fleshy; tube obconical; limb di- 

 vided into oo-seriate lobes. Petals 0. Sta- 

 mens od; anthers extrorse. Ovaries go, 1- 

 ovulate inserted on the whole inner surface of 

 the calyx-tube; styles go, terminal, exserted. 

 Fruit Go-akenes, enclosed in the fleshy calyx- 

 tube. Leaves opposite. Stipules 0. 



