(319) 



(perigynium) globose, tapering to the base, ab- 

 ruptly rostrate; beak short. Mar in county. 

 Summer. 



15. C. PSEUDOCYPEEUS L. Spikes unisex- 

 ual, upper 1 $ ; rest (3-5) ? , drooping; stigmas 

 3; utricle coriaceous, ovate, triquetrous, attenu- 

 ate into a long slender beak. San Francisco. 

 Summer. 



2. Fimbristylis Vahl. 



Spikelets , co-flowered ; palets closely im- 

 bricate all round, the lowermost empty. Peri- 

 goniurn 0. Style incrassate at base, persistent. 

 Leaves narrow. Spikelets, if solitary, bracteate; 

 if capitate or umbellate, involucrate. 



1. F. MILIACEA Vahl. 0. 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 , oo-flowered. Palets imbricate 

 all round, the lowermost empty. Perigonium 0. 

 Base of the style deciduous, cespitose, slender. 



1. I. RIP ARIA E. Br. Nutlets triquetrous, 

 the sides convex. 0. Common. Spring. 



2. I. CARINATA Hook. & Arn. Nutlets tri- 

 quetrous, the sides straight. 0. San Fran- 

 cisco. Spring. 



