SEDGE FAMILY 



195 



Loes. — Sierra Valley, Jepson 8044; Honey Lake Valley, Davy 3288; 

 Jess Valley, Modoc Co., Jepson 7988; Klamath Hot Sprs., Goldsmith 26; 

 i'reka, ButUr 1410; Sissou, Jepson 58a; Eureka, Trac;l 2973; Chico, 

 CopcUind 3182; Los Guilieos Valley, Biolctti; San Francisco, Davy 4012; 

 Lake San Andreas, San Mateo Co., Davy 764; Irvington, Jepson; lone, 

 Braunton 1058; Oakdale, Jepson 8337; Victor, Parish 10562; Palo Verde 

 Valley, Hall 5919; San Bernardino, Parish; Elslnore, McClatchie 23. 



Eefs. — Eleoch.\ris paliistris E. & S. Syst. Veg. 2:151 (1817); 

 Davy in Jepson, Fl. W. Mid. Cal. 85 (1901). Sairpus palustris L. Sp. 

 PI. 47 (1753), type European. Var. qlaucescens Gray, Man. 558 

 (1848), type North American; tubercle narrower, sometimes half as long 

 as the achene. — Southern California (San Jacinto Mts. and San Bernar- 

 dino Valley), ace. Parish, Bull. S. Cal. Acad. 3:68 (1904). 



Fig. 14. Eleo- 



CHARIS PALUS- 

 TRIS E. & S. a, 

 spikelet, X 1 ; 

 I), achene, X 8. 



3. E. obtusa Schult. (Fig. 15.) Stems tufted, numer- 

 ous, erect, nearly terete, striate, 7 to 10 (16) inches high; 

 annual with fibrous roots; spikes oblong-ovate to broadly 

 ovate, 2 to 4 lines long ; scales ovate to sub-orbieular, rounded 

 at apex ; bristles 6 to 9, m.ostly longer, sometimes nearly twice 

 longer than the achene; achene smooth, shining, obovoid with a narrow base, 

 somewhat flattened or biconvex with cord-like or thickened margins, the broad 

 summit bearing a very thin deltoid acutish tubercle, in outline something like 

 a cocked hat. 



Moist places or in shallow water. Sierra Nevada and North Coast Kauges. 

 North to Oregon. Atlantic States. 



Loes.— Scott Valley, Lake Co., Tracy 2379; near 

 Willow Creek, Trinity Eiver, Tracy 3401; Oro Fino, Sis- 

 kiyou Co., Butler 7, 1855; Yosemite Valley, Jepson 8369. 

 ' Eefs.— Eleocharis obtitsa Schult. Marit. 2:89 (1824). 

 Scirpu-s obtu-s^is Willd. Enum. Hort. Berol. 76 (1809), 

 type North American. 



4. E. monticola Fern. Resembling E. ob- 

 tiLsa; stems 4 to 10 inches high; spikes ovate- 

 lanceolate, 3 to 414 lines long; scales acutish, 

 more spreading. 



Northern Sierra Nevada, and north to Ore- 

 gon and .Idaho. 



Eef. — Eleocharis monticola Fern. Proe. Am. Acad. 

 15:496 (1899), based on spms. from the northern Sierra 

 Nevada (Lemmon 485; Mary E. P. Ames, Plumas Co.), 

 and Ore. (Multnomah Co., Bowell 408). 



5. E. bolanderi Gray. Stems tufted, 8 to 9 

 inches high, arising from rootstocks ; spikes dark- 

 colored, narrow-ovate, 2i/^ to 3 lines long; bristles 3 or 4, about 14 to I/2 (or %) 

 as long as the achene; achene obovoid, triangular with cord-like ridges at the 

 angles; tubercle reduced to a fiatish sear, very short and broad or somewhat 

 obscure. 



Central Sierra Nevada, 6000 to 7000 feet. 



Loes. — Mariposa Grove, Bolander 4869; Hogan Mt., Mariposa Co., Congdon; Pea Eidge 

 road, Mariposa Co., Congdon. 



Eef. — Eleoch.\ris bolanderi Gray, Proe. Am. Acad. 7:392 (1S68), type loc. Wawona 

 (Clark's), Bolander. 



6. E. acicularis R. & S. Slender Spike-rusii. (Fig. 16.) Stems tufted, 

 % to 11 2 (or 8) inches high, filiform or setaceous; rootstock very slender, creep- 

 ing; spikclets a little flattened, 1 to 3 lines long, few-flowered; achene obovoid- 

 oblong, I'o lino long, obscurely triangular, with 9 or 10 longitudinal ribs connected 

 by fine transvei'se lines; tubercle l)roa(l, short and l)lunt. 



Moist places throughout California, but not reported from the deserts. All 

 continents. 



Fig. 15. 

 Schult. 



Eleoch.aris 

 fl. spikelet. 



obtusa 

 X 4; b, 



achene and bristles, X 13. 



