SEDGE FA^IILY 



297 



26. Carex diandra Schraiik. 

 Lesser Panicled Sedge. Fig. 702. 



Carex diandra Schrank, Acta. Acad. Mogunt. 49. 17S2. 



Care.v tcretiiiscula Good. Trans. Linn. Soc. 2: 163. pi. 19, j. 3. 1794. 



Carex bcrnardina Parish, Bull. South. Calif. Acad. 5: 24. pi. 21. 1906. 



Loosely cespitose, the culms slender, i-7 dm. high, sharply 

 triangular, the sides convex. Leaf-blades L25 mm. wide, cana- 

 liculate at base; sheaths not copper-colored at the mouth, strongly 

 red-dotted ventrally ; head 2.5-5 cm. long, somewhat compound, 

 the spikes numerous, small, androgynous or pistillate, the lower 

 more or less separated ; bracts not conspicuous ; scales nearly 

 equaling perigynia, acute, brownish with lighter midvein and 

 hyaline margins ; perigynia 2-2.75 mm. long, strongly convex 

 dorsally, low convex ventrally, dark chestnut, sharp-edged but 

 not margined, shining, smooth, hard, nerveless on inner face ex- 

 cept at base, nerved on outer face, spongy, round-truncate and 

 stipitate at base, spreading at maturity, contracted into a flat 

 bidentate beak nearly length of body; achenes lenticular; stig- 

 mas 2. 



Wet meadows, Transition and Boreal Zones; Newfoundland to Yukon 

 south to New Jersey, Colorado, and very locally in the higher mountains to 

 southern California. Type locality: southern Bavaria, Germany. 



27. Carex cusickii Mackenzie. 

 Cusick's Sedge. Fig. 703. 



Carex tcretiiiscula ampla Bailey Mem. Torrey Club 1: 53. 1889. 

 Carex cusickii Mackenzie in Piper & Beattie Flora Northwest Coast 72. 

 1915. 



More densely cespitose, the culms sharply triangular, 

 stout, 7-12 dm. high, rough above, much exceeding the leaves. 

 Leaf-blades 2.5-6 mm. wide, flat with slightly revolute mar- 

 gins, the sheaths strongly red-dotted; head 4-8 cm. long, 

 1-2 cm. wide, decompound, the lower branches separated, the 

 spikes numerous, small, ovoid, 2>-6 mm. long, 2.5-4 mm. wide, 

 androgynous or pistillate ; bracts inconspicuous ; scales cover- 

 ing the perigynia, chestnut tinged with lighter sharply rough- 

 keeled midvein and hyaline margins ; perigynia 3-4 mm. 

 long, 1.5 mm. wide, dull brownish-black, very thick, strongly 

 convex and nerved dorsally, slightly convex and lightly nerved 

 at base ventrally, spreading in age, truncate and short stipi- 

 tate at base, abruptly beaked, the beak setulose-serrulate. 

 shallowly bidentate, about length of body; achenes lenticular; 

 stigmas 2. 



Wet meadows. Humid Transition and Canadian Zones; ^Montana to 

 British Columbia south to San Francisco, California; rare southward and 

 there contined to the Coast Ranges. Type locality: head of Burn River, 

 eastern Oregon. 



28. Carex jonesii Bailey. 

 Jones' Sedge. Fig. 704. 



Carex jonesii Bailey, Mem. Torrey Club 1: 16. 1889. 



Carex neriiua jonesii Kiikenth. in Engler Pflanzenreich f-": 167. 1909. 



Cespitose from somewhat elongated woody rootstocks, the 

 culms triangular, 2-4 dm. high, slender, rough above, ex- 

 ceeding the leaves. Leaves clustered near base, the blades 

 1-2 mm. wide; sheath not green and white mottled dorsally 

 and not cross-rugulose, ventrally truncate at mouth ; spikes 

 androgA-nous, in a dense ovoid head 8-12 mm. long, 8-10 mm. 

 wide, tile larger with about 5-10 ascending perigynia, the stam- 

 inate flowers often inconspicuous ; bracts inconspicuous ; scales 

 exceeding the perigynia, ovate, dark brown with inconspicu- 

 ous midvein and hyaline margins ; perigynia ovate-lanceolate. 

 3-4 mm. long. 1.5-1.75 mm. wide, plano-convex, rounded short- 

 stipitate and but little spongy at base, strongly many nerved 

 dorsally. more or less strongly many nerved ventrally at ma- 

 turity, slightly margined above, tapering into a very slightly 

 serrulate shallowly bidentate beak one-third length of body ; 

 achenes lenticular; stigmas 2, short. 



High mountains, Canadian Zone; Montana to Wyoming, westward to 

 Washington and California, where confined to the .Sierra Nevada and .San 

 Bernardino Mountains. Type locality: Soda Springs, Nevada County, 

 California. 



