GRASS FAMILY 



157 



1. Calamagrostis bolanderi Thurb. 

 pjolander's Reed-grass. 



Fig. 349. 



Calamagrostis bolanderi Thuib. in S. Wats. Bot. Calif. 2: 



280. 1880. 

 Deyenxia bolanderi Vasey, Grasses U. S. 28. 1883. 



Culms 1-1.5 meters tall; sheaths scabrous; blades 

 flat, scattered, nearly smooth ; panicle open, 10-20 

 cm. long, the branches verticillate, spreading, naked 

 below, the longer 5-10 cm. long; glumes 3-4 mm. 

 long, purple, scabrous, acute ; lemma very scabrous, 

 about as long as glumes, the awn from near the 

 base, geniculate, exserted, about 2 mm. long above 

 the bend ; rudiment pilose. 2 mm. long. 



Bogs and moist ground, prairie or open woods, near the 

 coast, Mendocino and Humboldt Counties, California. July- 

 Aug. Type locality: Noyo River. 



2. Calamagrostis howellii Vasey. 

 Howell's Reed-grass. Fig. 350. 



Calamagrostis hoivellii Vasey, Bot. Gaz. 6: 271. 1881. 



Culms cespitose, rather slender, 30-60 cm. tall ; 

 sheaths smooth or slightly scabrous ; ligule 2-8 mm. 

 long ; blades slender, scabrous on the upper sur- 

 face, flat or soon involute, especially toward the 

 tip, about as long as the culms, the 2 cauline 

 shorter, about 1 min. wide; panicle pyramidal, 5-15 

 cm. long, rather open, the lower branches in whorls, 

 ascending, naked below. 3-5 cm. long ; spikelets 

 pale or tinged with purple ; glumes acuminate, 7-8 

 mm. long; lemma acuminate, a little shorter than 

 the glumes, the callus hairs about 3 mm. long, the 

 awn attached about 2 mm. above the base, genic- 

 ulate, the exserted portion about 7 mm. long. 



On perpendicular cliffs of the Columbia Gap. Tune- 

 July. Type locality: "Oregon." 



3. Calamagrostis breweri Thurb. 

 Brewer's Reed-grass. Fig. 351. 



Calamagrostis breweri Thurb. in S. Wats. Bot. Calif. 2: 280. 



1880. 

 Deyeuxia breweri Vasey, Grasses U. S. 28. 1883. 

 Calamagrostis lemmoni Kearn. U. S. Dept. Agr. Div. Agrost. 



Bull. 11: 16. 1898. 



Culms slender, erect, cespitose, 15-30 cm. tall ; 

 leaves mostly basal, usually involute-filiform; panicle 

 ovate, open, purple, 3-8 cm. long, the lower branches 

 slender, spreading, few-flowered, 1-2 cm. long; 

 glumes 3-4 mm. long, 1-nerved. smooth, acute ; lemma 

 nearly as long as glumes, cuspidate-toothed, the awn 

 borne near the base, geniculate, exserted, twisted be- 

 low, about 2 mm. long above the bend ; rudiment long- 

 pilose, 2 mm. long. 



]Mountain nicadows in the Hudsonian Zone of the high 

 Sierra Nevada, California. Aug. -Sept. Type locality: Carson 

 Pass. 





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