(122) 



3, Campanula Tourn. BELL-FLOWER. 



Calyx tube turbinate. Corolla campanu- 

 late. Filaments membranaceous at their 

 base. Capsule turbinate, opening by parietal 

 valves. Flowers blue. 



1. C. EXIGUA Eattan. Stem-leaves lin- 

 ear. 0. Tamalpais. Spring. 



2. C. PRENANTHOIDES Durand. Stem-leaves 

 ovate, serrate. 2. Marin County redwoods. 

 Spring. 



4, Heterocodon Nutt. 



Early flowers cleistogamic ; later ones ex- 

 panding. Calyx turbinate. Corolla campanu- 

 late. Capsule membranaceous, turbinate, open- 

 ing irregularly. 0. Flowers blue. 



1. H. RARIFLORUS Nutt. Marin County. 

 Spring. 



Family 3. CUCURBITACE^, 



Monoecious or dioecious. & : Stamens 5, 3- 

 adelphous. Cells of anthers contorted, flexuous. 

 9 : ovary 2-5-celled. Placentae parietal. Style 

 1. Stigmas 3. 



1, Megarrhiza Torr. (Echinocyslis. Torr. & Gray.) 

 BIG-ROOT. 



Monoecious. $ flowers racemose. ? flowers 

 single from the axil of the 6 raceme. Limb 

 of calyx minutely ^dentate. Cqrolla rotate, 



. VS * w * ^ j. v* t -, . ' 



