370 



JUNCACEAE 



3. Juncoides piperi Coville. 

 Piper's Wood-rush. Fig. 907. 



Juncoides piperi Coville, Contr. Nat. Herb. 11: 185. 

 1906. 



Stems densely tufted from usually matted 

 rootstocks, erect, 10-35 cm. high. Leaves 

 mostly basal, linear-lanceolate, about one- 

 fourth as long as the stem, 2-4 mm. wide, 

 dull, sparsely pilose on the sheaths and mar- 

 gins ; panicle decompound. 5-8 cm. long, nod- 

 ding; lowest bract foliaceous, 8-15 mm. long; 

 bractlets brown, lacerate; flowers borne 

 singly or sometimes in clusters of 2 or 3; 

 perianth 1.5-2 mm. long, dark purplish brown, 

 the segments ovate, acuminate ; capsule ovoid, 

 exceeding the perianth, dark brown, the valves 

 not apiculate ; seeds buff or amber color, 

 oblong-lanceolate, narrowed at each end. 



Dry sandy or gravelly soils, Hudsonian Zone; 

 \\"ashirigton to Montana. Type locality: Bridge 

 Creek, Okanogan County, Washington, "on dry 

 sandy-gravelly moraines just below the glaciers." 



4. Juncoides divaricatum (S. Wats.) 

 Coville. Forked Wood-rush. Fig. 908. 



Luzula divaricata S. Wats. Proc. Am. Acad. 14: 302. 



1879. 

 Juncoides divaricatum Contr. Nat. Herb. 4: 209. 189.i. 



Stems tufted from matted rootstocks, 10-50 

 cm. high, 2-4-leaved. Basal leaves flat, linear- 

 lanceolate, acuminate, 8-25 cm. long, 3-10 mm. 

 wide; stem leaves 3-10 cm. long; panicle de- 

 compound, diffuse with divaricately spreading 

 branches and pedicels, 8-15 cm. long, and nearly 

 as wide ; bractlets ovate, entire or sometimes 

 sparsely lacerate ; perianth 2-2.5 mm. long, 

 tinged with brown, the segments lanceolate, 

 acuminate ; capsule ovoid, scarcely equalling 

 the perianth, green, the valves apiculate ; seeds 

 brown, the basal end darker. 



Gravelly soils in open woods or borders of 

 meadows, Canadian Zone; Mt. St. Helens, Wash- 

 ington south to Mariposa County, California. Type 

 locality : Sierra Nevada, California. 



5. Juncoides subcongestum 



(S. Wats.) Coville. 

 Donner Wood-rush. Fig. 909. 



I^usula spadicca subcongcsta S. Wats. Bot. Calif. 



1: 202. 1876. 

 Juncoides subcongestum Coville, Muhlenbergia 1: 



105. 1904. 

 Luzula subcongcsta Jepson, Fl. Calif. 1: 258. 1921. 



Stems tufted from a matted rootstock, 

 20-50 cm. high, 3-4-leaved. Basal leaves 

 flat, linear-lanceolate, 8-20 cm. long. 4-8 

 mm. wide; stem-leaves 5-12 cm. long; 

 cyme more or less congested into few-sev- 

 eral rather dense head-like clusters termi- 

 nating more or less elongated rays ; bracts 

 small. fimbriate; pedicels very short; 

 perianth 1.5 mm. long, ovate, rather ab- 

 ruptly acuminate, dark brown with a 

 Iiyaline apex; stamens half the length of 

 the perianth ; anthers about equalling the 

 lilaments ; capsule ovoid, nearly as long as 

 the perianth, apiculate, light brown ; seeds 

 oblong-ovate, oblique, brown, darker at apex. 



.\lpine slopes, Canadian and Hudsonian Zones; 

 Sierra Nevada. California. Type locality: Donner 

 Pass, California. 



