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bracing the upper.—2f¢. Leaves flattened. 
Spikelets representing a spike. 
1. G. Cairornicum Bolander.—Saucelito. 
Summer. 
Family 2, CYPERACEZ. 
Stem acalamus. Leaves all radical, sheath- 
ing but not split at their base; lamina parallel- 
veined. Anthers basifixed. 
os 1. Carex L. Sepaz. 
Flowers diclinic. ¢ spikelets 1-flowered ; 
glume 1, external, 2 spikelets 1-flowered with 
2 glumes; the external like that of the ¢; the 
internal transformed into a utricle including 
the ovary.—2¢. Leaves flattened. Stem tri- 
quetrous. Spikelets collected in diclinic or 
androgynous spikes. 
1. ©. mMarcrpDa 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. ©. Dovetastt Boott. Dicecious ; inflor- 
escence the compound of many sessile spikes; 
utricle (perigynium) ovate, acuminate into a 
slender beak; spikes pale - brown. — Marin 
County. Summer. 
