THE GENUS CAREX IN CALIFORNIA 



57 



long, wider and longer than the scales; achenes 2 mm. long, closely enveloped by 

 perigynia. 



Type Locality: Columbia Falls, Montana (R. S. Williams). 



Dry soil, British Columbia to California, east to Alberta and Montana. 

 In California it is known only from an old collection of Bolander. 



Loc: Red Mt., Mendocino Co., Bolander 6478 (in part"). 



Refs.: Carex concinnoides Mackenzie, Bull. Torr. Club 33: 440 (1906). "C. Richardsonii 

 R. Br." W. Boott in S. Wats.Bot. Cal. 2: 246 (1880). 



XX. Bicolores Tuckerm. Stoloniferous. 



Culms central, slender, leafy toward 

 the base. Leaf-blades narrow. Basal 

 sheaths light brown. Terminal spike 

 linear, staminate or gynsecandrous. 

 Lateral spikes 2-5, pistillate, rather 

 closely few- to many-flowered in few 

 ranks on erect, exserted peduncles. 

 Bracts sheathing, not colored or dark- 

 auricled, the blades elongated, leaf- 

 like. Scales reddish- or purplish- 

 brown tinged. Perigynia ascending, 

 broadly oval or ellipsoid, circular in 

 cross section, nerved, glabrous, golden- 

 yellow or white-pulverulent at matur- 

 ity, tapering or rounded at the base, 

 essentially beakless. Achenes lenticu- 

 lar, apiculate, closely enveloped. Style 

 slender at base, short, jointed with the 

 achene, deciduous. Stigmas 2. 



71. C. salinaeformis Mackenzie. 

 (Fig. 28). From long-creeping, slender 

 rootstocks, the culms 5-15 cm. high, 

 phyllopodic, smooth, bluntly triangular, 

 not reddened or fibrillose at base; leaf- 

 blades 2-3 mm. wide; staminate spike more 

 or less peduncled, 8-12 (or 16) mm. long, 

 2-5 mm. wide; pistillate spikes 3 or 4, erect, 

 the upper approximate, short-peduncled, 

 the lower widely separate, long-peduncled, 

 6-12 mm. long, 3-4 mm. wide, with 8-15 

 appressed-ascending perigynia; bracts long 

 sheathing; scales reddish-brown, obtuse or 

 cuspidate; perigynia oblong-ovoid, straw- 

 colored, flattened suborbicular in cross 

 section, 2.5-3.75 mm. long, 1.75 mm. wide, 

 rounded at base and apex, beakless but 

 short tapering and slightly constricted at 

 apex. 



Type Locality: Mendocino City, 

 California, (Bolander 4702). ^ no „ .. , 



' v . Fig. 28. Carex salin.eformis Mackenzie. 



Known only near the coast in Men- . . „ , , , v „ „ „„ . 



A „■ n a, inflorescence, X 1; b, scale, X 9; c, pen- 



docino Co. gvnium, X 9. 



