92 THE GENUS CAREX IN CALIFORNIA 



ADDITIONAL SPECIES. 



15a. C. breviligulata Mackenzie n. sp. Culms 3-6 dm. high, exceeding 

 leaves, rough above; leaf -blades 3-4.5 mm. wide, the sheaths tight,) not conspic- 

 uously septate dorsally, thin-hyaline and more or less cross-rugulose ventrally, 

 truncate at mouth; head 1.5-3.5 cm. long; bracts usually not conspicuous; perigynia. 

 3.25-3.75 mm. long, ovate from a round-tapering base, green-margined, serrulate 

 from middle, the beak half length of body. 



Type Locality: Grants Pass, Oregon (Henderson) 1477. 

 / 1 Marshes and swales: North Coast Ranges; Sierra Nevada. North to Oregon. 



Locs.: Round Valley, Mendocino Co., Chesnut 285; Susanville, Jones; North Fork, Fresno 

 Co., Griffiths 4479; Santa Rosa, Wooton. 



Refs.: Carex breviligulata Mackenzie. C. vicaria var. costata Bailey, Mem. Torr. Club 

 1: 49 (1889). 



50a. C. montereyensis Mackenzie n. sp. Culms 8-10 dm. high; leaf-blades 

 2.5-3 mm. wide; head 1.5-2.5 cm. long, the 8-12 spikes closely aggregated, ovoid, 

 6-9 mm. long, the perigynia ascending; scales narrowly ovate; perigynia ovate, 

 3.25 mm. long, tapering into a beak half length of body. 



Type Locality: Pacific Grove (C. P. Smith, 1055, type). 

 1 Known only from pine-forests, in the lowlands, Monterey coast. 



Loc: Pacific Grove, Heller 678G. 



76a. C. flaccifolia Mackenzie n. sp. Culms 6-9 dm. high ; leaf-blades about 

 3 mm. wide; staminate spike 1-2.5 cm. long, short-peduncled;' pistillate spikes 

 mostly three, approximate or somewhat separate, sessile or short-peduncled, 1- 

 2.5 cm. long, rather loosely 8-25-flowered; scales ovate, cuspidate; perigynia short- 

 tapering at base, the beak 0.5 mm. long, bidentulate. 



Said to have been collected on dry plains in southwestern California (Geo. 

 B. Grant, May 1, 1902, type in the U. S. National Herbarium). 



