STANDLEY FLORA OF GLACIER PARK. 307 



leafy; leaves 1.5 to 3 mm. wide; heads 1 to 5, 1 cm. broad or larger; sepals 5 to 6 mm. 

 long, brown, with thin pale margins; capsule brown, obtuse, shorter than the sepals. 

 11. Juncus alpinus Vill. Occasional at low and middle altitudes, in wet meadows 

 or sphagnum bogs. Alaska to Wash., Nebr., Pa., and Greenl.; also in Eur. and Asia. — 

 Stems leafy, 15 to 30 cm. high, from stout rootstocks; leaves 0.5 to 1 mm. thick; 

 heads 3 to 12-flowered; sepals 2 to 2.5 mm. long, obtuse; capsule brownish, slightly 

 longer than the sepals. 



• 12. Juncus mertensianus Bong. Abundant above and near timber line, in wet 

 meadows or on rock slides; sometimes at middle or even low altitudes, in moist 

 woods or along streams. Alaska to Calif., N. Mex., and Alta. — Stems 10 to 30 cm- 

 high, from thick rootstocks; leaves about 1 mm. thick; sepals about 4 mm. long; 

 capsule dark brown, about as long as the sepals, obtuse or shallowly notched. 



13. Juncus castaneus J. E. Smith. Open rocky slope, Gunsight Pass. Alaska 

 to N. Mex., Newf., and Greenl.; also in Eur. and Asia.— Stems stout, 10 iso 30 cm. 

 high, from creeping rootstocks; leaves 1 to 2 mm. thick, 3 to 10 cm. long; heads 1 to 3, 

 3 to 12-fiowered ; sepals brown or dark brown, 4 to 7 mm. long; capsule dark brown, 

 acute, often twice as long as the sepals. 



14. Juncus biglumis L. Open rocky slope, Gunsight Pass. Alaska to Mont, and 

 Greenl.; also in Eur. and Asia.— Stems 2.5 to 10 cm. high, loosely tufted, very 

 slender; leaves 2 to 5 mm. long, about 1 mm. thick; head 1, 1 to 4-flowered; sepals 

 3 to 3.5 mm. long; capsule longer than the sepals. 



Apparently the species has not been reported before from the United States. 



15. Juncus triglumis L. Iceberg Lake, in wet meadow near snow banks. Alaska 

 to N. Mex., N. Y., and Lab.; also in Eur. and Asia.— Stems very slender, 5 to 15 

 cm. high, loosely tufted; leaves 1 to 5 cm. long, 0.5 to 1 mm. tliick; head 1, 1 to 

 5-flowered; sepals 3 to 4 mm. long; capsule about as long as the sepals. 



2. JUNCOIDES Adans. Woodrush. 



Perennials; leaves fiat, hairy on the margins, at least at the base; flowers in loose 

 panicles or in dense spikelike clusters, each flower -with bractlets at the base, these 

 usually toothed or lobed; stamens 6; capsule 1-celled; seeds not tailed. 

 Flowers sessile or nearly so in headlike or spikelike clusters. 



Flowers in 1 to 3 dense spikelike clusters, these nodding; sepals dark brown. 



1. J. spicatum. 

 Flowers in several long-stalked spikes, these forming a corymb ; sepals straw-colored 



or pale brown 2. J. campestre. 



Flowers, at least many of them, solitary and slender-pediceled, forming a loose panicle. 



Sepals and capsule pale green ; leaves thin, shining 3. J. parviflorum. 



Sepals and capsule dark brown; leaves thick, dull. 

 Panicle drooping; seeds constricted at each end; sepals about 1.5 mm. long. 



4. J. piperi. 

 Panicle erect; seeds not constricted; sepals about 3 mm. long . . 5. J. glabratum. 



1. Juncoides spicatum (L.) Kuntze. Common above timber line in meadows or 

 on rocky slopes; occasional at middle or even low altitudes on open slopes or in moist 

 woods or thickets. Alaska to Calif., N. Mex., N. H., and Greenl.; also in Eur. and 

 Asia. {Luzula spicata DC)— Stems slender, tufted, 10 to 30 cm. high, with 1 to 3 

 leaves; leaves 1 to 6 mm. wide; inflorescence 1 to 4 cm. long; sepals with thin pale 

 margins; capsule shorter than the perianth. 



2. Juncoides campestre (L.) Kuntze. Belton, in thin dry woods. "Widely dis- 

 tributed in N. Amer., Eur., and Asia. (J. comosum Sheldon; Luzula campestris 

 DC.)— Stems 15 to 40 cm. high, tufted; leaves 2 to 6 mm. wide; spikes 6 to 7 mm. 

 thick; sepals 2 to 3 mm. long; capsule nearly as long as the sepals; seeds with a pale 

 spongy appendage at one end. 



2048—20 6 



