PIPER NORTH AMERICAN SPECIES OF FESTUCA. 37 



California: 



Humboldt Bay, Chandler 1184. 

 Crescent City, Davy & Blasdale. 

 Kneeland, Humboldt County, Blankinship 7. 

 EXPLANATION OF PLATE.-Drawn from 19 Hoivdl, collected in Oregon; plant one-half natural 

 size; details magnified five times. 



29. Festuca dasyclada Hack. 



Festuca dasyclada Hack.; Beal, Grasses N. Am. 2: 602. 1896. This well-marked 

 species has been collected only by Dr. C. C. Parry in 1875, somewhere m the Rocky 

 Mountains "in Utah," according to Beal. The type was the specimen in the 

 herbarium' of Professor Scribner, now destroyed. A duplicate in the National 

 Herbarium has no locality given on the label. 



DESCRIPTION. 



Culrns erect or somewhat geniculate, 20 to 40 cm. high, nearly smooth, S-jointed; 

 Sheaths shorter than the internodes, striate, glabrous; ligule very short; blades nar- 

 row soft folded, glabrous, acute, 5 to 15 cm. long; panicle open, erect, the rays m 

 twos threes, or fours, ciliate on the prominent angles, mostly branched, a pulvillus 

 at the base of each rav and branch; spikelets pale green, oblong-lanceolate, long- 

 stalked, 2-flowered, 6 to 7 mm. long; joints of the rachilla 1.5 mm. long, scabrous; 

 alumes lanceolate, glabrous, except on the keel, the lower 1 -nerved or faintly 3- 

 nerved 4 mm. long, the upper 3-nerved, 6 mm. long; lemma lanceolate, green, mem- 

 branous, 5-nerved, somewhat keeled, scabrous-puberulent all over the back about 6 

 mm long, the apex cleft, a scabrous awn 3 mm. long arising from between the teeth; 

 palea a little shorter than the lenmia, obtuse at apex, the nerves ciliate-scabrous. 



30. Festuca elmeri Scribn. & Merrill. 

 FesUcca elmeri Scribn. & Merrill, Bull. Torr. Club 29: 468. 1902 Type in the 

 National Herbarium, collected by A. D. E. Elmer (no. 2101), at Stanford Umversity, 

 California. 



DESCRIPTION. 



Loosely tufted, the slender culms 40 to 100 cm. high, glabrous, faintly striate, 

 3-iointed; sheaths striate, nearly smooth, shorter than the internodes; ligule short, 

 ciliate; blades flat or loosely involute, nearly glabrous beneath, scabrous or pubes- 

 cent above, 20 to 40 cm. long, those of the culm 2 to 4 mm. wide, the basal ones 

 narrower; panicles 10 to 20 cm. long, pale green, loose and open; rays slender, 

 angled, mostly in pairs, smooth or nearly so, pulvillate at base, spikelet-bearing 

 above Ihe middle; spikelets 7 to 10 mm. long, 3 or 4-flowered; joints of the rachilla 

 hispidulous, 1.5 mm. long; glumes unequal, lanceolate, glabrous or nearly so, the 

 lower 1-nerved, 2 to 2.5 mm. long, the upper 3-nerved, 3 to 4 mm. long; lemma lan- 

 ceolate, green and membranous, 5-nerved, 6 to 6.5 mm. long, minutely hispidulous 

 cleft at the apex and bearing from between the short teeth a scabrous awn 2 to 8 

 mm. long; palea narrowly lanceolate, a little longer than the lemma, the two scabrou 

 nerves meeting in the acuminate apex, the inflexed sides very narrow. (Plate Xl\ . ) 

 This perfectlv distinct species has been nmch confused, there being really consider- 

 able material in all the larger herbaria. The following specimens belong here: 



California: 



Mendocino County, Bolander 6463. 

 Ukiah, Mendocino County, Davy & Blasdale 5029. 

 Highland Springs, Lake County, Davy 6648. 

 Tassajara Hot Springs, Monterey County, Elmer 3322. 



