SEDGE FAMILY 



203 



Locs. Cuyamaca Mts. (Bot. Gal. 2:219); Carmel, Ferguson 287; Mt. Hermon, Santa Cruz 

 Mts., M. Grace Eowe; Lake Pilarcitos, San Mateo Co., Davy 765; Mt. Tamalpais, Davy; 

 Guerneville, Davy; Moore Creek, Howell Mt., Jepson 6841; Mt. St. Helena, Jepson 7667; 

 Eureka, Tracy 4628; Sisson, Goldsmith 24; Ft. Bidwell, Modoc Co., Jepson 7922; Sierra Valley, 

 Jepson 8054a; Jackson, Hansen 

 637; Kennedy Mdws., Tuo- 

 lumne Co., A. L. Grant 121, 

 448; Confidence, Tuolumne Co., 

 Jepson 7696; Alder Creek, 

 Yosemite Park, Jepson 4330a. 



Kefs. SCIRPUS MICBOCARPUS 



Presl, Eel. Haenk. 1:195 

 (1828), type loc. Nootka Sound, 

 Vancouver Isl. S. sylvaticus 

 var. digynus Boeckl. Linnaea, 

 36:727 (1870). 



14. S. congdonii Brit- 

 ton. Similar to S. micro- 

 carpus, but panicle less 

 diffuse, its rays 3 to 6, 2 

 to 3 l /2 inches long; spike- 

 lets densely capitate at the 

 ends of the rays; style 3- 

 clef t ; bristles rather longer 

 than the achene; achene 

 oblong-obovate, flat on one 

 face, angled on the back. 



Sierra Nevada; very lit- 

 tle known and rarely col- 

 lected. 



Locs. Pine Eidge, Fresno 

 Co., ace. Britton; Plumas Co., 

 ace. Britton. 



Eefs. SCIRPUS CONGDONII 

 Britton, Torreya, 18:36 (1918), 

 type loe. upper San Joaquin 

 River, Madera Co., Congdon. 

 S. atrovirens Wats. Bot. Cal. 

 2:219 (1880). 



a 



Fig. 23. SCIRPUS MICROCARPUS Presl. a, panicle, X 

 b, spikelet, X 6; c, scale, X 9; d, achene, X 9. 



15. S. lineatus Michx. Stems slender, triangular, from a stout rootstock, 

 densely leafy at base, less leafy above, l 1 /^ to 3 feet high ; leaves flat, 3 to 6 lines 

 wide, scabrous-margined; panicle of umbels compound, 2 to 5 inches long, the 

 spikelets mostly solitary at the ends of the raylets, the very slender rays becoming 

 pendulous; involucral bracts much shorter than the inflorescence; spikelets 

 reddish brown, short-cylindric, (2 or) 4 to 6 lines long; scales ovate or oblong, 

 short-awned, membranous with a green midvein; bristles 6, weak, entangled, 

 smooth, equaling or exceeding the scales ; stamens 3 ; style 3-cleft ; achene obovoid, 

 flat on one face, convex-ridged on the other, short -beaked, ~y% line long. 



Dry hills, Siskiyou Co. North to Oregon and east to the Atlantic. 



Loes. Yreka, Butler 857. Grants Pass, Oregon, Howell. 



Eef. SCIRPUS LINEATUS Michx. Fl. Bor. Am. 1:32 (1803), type from the Carolinas. 



