RUSH FAMILY 



369 



2. JUNCOIDES Adans. Fam. I'l. 2: 47. 1763. 

 [LuzuLA DC. Fl. Fr. 3: 158. 1805.] 

 Perennial plants, with herbage either glabrous or sparingly webbed, stems leaf-bearing, 

 leaf-sheaths with united margins, and leaf-blades grass-like. Inflorescence umbelloid. panicu- 

 late or corymbose, often congested ; flowers always bracteolate, the bractlets usually lacerate 

 or denticulate; stamens 6 in our species; ovary 1-celled, its 3 ovules with basal insertion; 

 seeds 3. indistinctly reticulate, sometimes carunculate at base or apex, but not distinctly tailed. 

 [Greek, meaning like J uncus.] 



About 65 species, widely distributed, mostly flowering in spring. Type species, Juncns pilosiis L. 



Flowers in clusters of 2 or o or solitary in an open panicle. 



Cymes open; bracts entire or somewhat lacerate, not cihate-fambriate. 

 Perianth 3-3.5 mm. long; leaves 10-12 mm. wide. 

 Perianth 1.5-2.5 mm. long; leaves 6-8 or rarely 10 mm. wide. 



Ravs of the panicle drooping; leaves sparsely pilose at base. ,,• • i 



'Perianth and capsule pale green; leaves thin, shining; seeds brown, ellipsoid. 



2. y. pari'ijLoyutn, 



Perianth and capsule dark brown; leaves thick, dull; seeds yellow, constricted at each end. 



3. J. ptperi. 

 Kavs of the panicle divaricate; leaves not pilose. 4. J. divaricatiiin. 



Cvmes caiigested; bracts ciliate-fimbriate. 5- J- subcongcstum. 



Flowers congested into 1 to several spike-like or head-like clusteis. ■ • i i-i i 



Inflorescence nodding, usually of a single spike-like cluster; seeds without a strophiole-like base. 



6. J. sptcatum. 

 Inflorescence erect or its individual branches rarely nodding; heads or spikes 2-12; seeds with a 



1. /. glabratiim 



white strophiole-like base. 



/. campastie. 



^^^^^^ p 1. Juncoides glabratum (Hoppe) Sheldon. 



Smooth Wood-rush. Fig". 905. 



J uncus glabratus Hoppe; Roslk. Men. Tunc. 27. 1801. 

 Luzula ^glabrata Desv. Journ. de Bot. 1: 145. 1808. 

 Lusnla spadicea glabrata Meyer, Syn. Luzul. 8. 1823. 

 Juncoides glabratum Sheldon, Minn. Bot. Stud. Bull. 9: 

 63. 1894. 



Stems -stoloniferous, but sliglitly tufted, 2-5 dm. 

 high. Stem leaves usually 4 or 5, blades 4-6 cm. 

 long, 8-12 mm. wide, abruptly acute, flat, glabrous ; 

 basal leaves 10-20 cm. long ; panicles decompound, 

 erect, 6-10 cm. long, 5-7 mm. wide; bracts ciliate 

 on the margins, the lowest 15-20 mm. long, brown- 

 ish ; rays often divaricate; flowers usually single, 

 on rather stout divaricate pedicels ; perianth 3-3.5 

 mm. long, lanceolate, acute, dark purplish brown ; 

 capsule ovoid, equalling or slightly exceeding the 

 perianth, acute, almost black; seeds ellipsoid, dark 

 brown. 



Moist alpine woods, Hudsonian Zone: Alaska to 

 Crater Lake, Oregon, east to Montana. Type locality: 

 Europe. 



2. Juncoides parviflorum (Ehrh.) Coville. 



Small-flowered Wood-rush. 



Fig-. 



906. 



Juncns parviflorus Ehrh. B'eitr. 6: 139. 1791. 

 Lnzula parviflora Desv. Journ. de Bot. 1: 144. 1808. 

 Juncoides parviflorum Coville, Contr. Nat. Herb. 4: 209. 1893. 



Stems stoloniferous, single or few in a tuft, erect 

 1-3 dm. high. 2-5-leaved. Leaves glabrous, their 

 blades 3-10 mm. wide, tapering to a sharp or blunt 

 apex; inflorescense a nodding decompound panicle, 

 commonly 6-10 cm. long; lowest bract foliose, one- 

 fourth to one-half the length of the panicle; flowers 

 borne singly or sometimes 2 or 3 together, on very 

 slender pedicels; bractlets ovate, entire or lacerate; 

 perianth 2-2.5 mm. long, the segments lanceolate, 

 acute, green or more or less tinged with brown ; 

 capsule ovoid, slightly exceeding the perianth, green 

 or brownish ; seeds ellipsoid, brown. 



Moist woods and meadows; Transition to Hudsonian 

 Zones: .'Maska to Labrador, south to California, Minnesota 

 and New York, also in Europe. In the Pacific States it 

 reaches its southern limits in Humboldt County in the Coast 

 Ranges, and Kern County in the Sierra Nevada. Type 

 locality : Europe. 



