(319 ) 
(perigynium) globose, tapering to the base, ab- 
ruptly rostrate; beak short.—Marin county. 
Summer. 
15. ©. pszupocyprrus L. Spikes unisex- 
ual, upper 14 ; rest (8-5) 2, drooping; stigmas 
3; utricle coriaceous, ovate, triquetrous, attenu- 
ate into a long slender beak.—San Francisco. 
Summer. 
2. Fimbristylis Vahl. 
Spikelets 8, o-flowered; palets closely im- 
bricate all round, the lowermost empty. Peri- 
gonium 0. Style incrassate at base, persistent. 
Leaves narrow. Spikelets, if solitary, bracteate; 
if capitate or umbellate, involucrate. 
1. F. miicea Vahl.—@©. San Francisco. 
Folsom street: Spring. 
This tropical species has not been found again 
. since the filling in of that part of the city. 
3. Isolepis L. 
Spikelets 3, o-flowered. Palets imbricate 
all round, the lowermost empty. Perigonium 0. 
Base of the style deciduous, cespitose, slender. 
1. I. prepara R. Br. Nutlets triquetrous, © 
the sides convex.—@. Common. Spring. 
2. I.carmvata Hook. & Arn. Nutlets tri- 
quetrous, the sides straight.—©. San’ Fran- 
cisco. Spring. 
