No. 36. 

 CALAMAGROSTIS BOLANDERI Thurb. Bot. Oal. ii. 280. 



Plant perennial, loosely tufted. 



Culms erect or slightly geniculate at base, somewhat scabrous near the nodes and 

 panicles, 2 to 4 feet high. 



Leaves of culm 3 to 5; sheaths rather loose, striate, scabrous, usually shorter than 

 the internodes ; blades flat, scabrous on both sides, 6 to 10 inches long, 2 to 4 lines 

 wide ; ligule truncate, erose, or lacerate, 2 lines long. 



Inflorescence a loose, pyramidal, erect or flexuous panicle 3 to 8 inches long; rays 

 in threes or fives, slender, scabrous, subdivided, and spikelet-bearing beyond the 

 middle. 



Spikelets on pedicels equaling or exceeding themselves, turgid, 1-flowered, 1£ to 2 

 lines long; empty glumes equal, lanceolate, acute, or the second somewhat obtuse, 

 convex, nearly smooth, purple-tinged, turning brown in age, 1-nerved or the second 

 obscurely 3-nerved, li to 2 lines long; floral glume oblong, 4-toothed at the obtuse apex, 

 minutely scabrid, 4-nerved, li lines long; hairs of callus and filiform rudiment half as 

 long as the glume; awn attached almost at the base, twisted, slightly bent, 2£ to 3 

 lines long; palet oblong, bidentate at the apex, minutely scabrid, thin, 2-nerved, 1 line 

 long; grain oblong, slightly flattened, yellow, opaque, 1 line long; lodicules present, 

 but small. 



Plate XXXVI ; a, empty glumes enlarged 8 times ; b, rudiment and floret with 

 glume and palet, spread as at flowering-time; c, floral glume, dorsal view. 



Moist woods, Mendocino County, Cal. 



