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bracing the upper. — U • Leaves flattened. 

 Spikelets representing a spike. 



1. G. CaliforniCum Bolander. — Saucelito. 

 Summer. 



Family 2. CYPERACEiE. 



Stem a calamus. Leaves all radical, sheath- 

 ing but not split at their base; lamina parallel- 

 veined. Anthers basifixed. 



1. Carex L Sedge. 



Flowers diclinic. S spikelets 1-flowered ; 

 glume 1, external, ? spikelets 1-flowered with 

 2 glumes; the external like that of the S ; the 

 internal transformed into a utricle including 

 the ovarj. — U- Leaves flattened. Stem tri- 

 quetrous. Spikelets collected in diclinic or 

 androgynous spikes. 



1. C. MA RCID A Boott. Inflorescence the 

 compound of many sessile spikes; spikes irregu- 

 larly androgynous, sometimes the whole inflor- 

 escence ? ; stigmas 2; utricle (perigynium) 

 ovate with a short 2-dentate apex; spikes al- 

 most black. — Santa Clara marshes. Summer. 



2. 0. DouGLASii Boott. Dioecious ; inflor- 

 escence the compound of many sessile spikes; 

 utricle (perigynium) ovate, acuminate into a 

 slender beak ; spikes pale - brown. — Marin 

 County. Summer. 



