PIPER NORTH AMERICAN SPECIES OF FESTUCA. 



( ' \i .11 -i.i:n ia: 



Humboldl Bay, Chandler 1184. 

 Crescent City, Davy & Blasdale. 

 Kneeland, Humboldt County, Blankinship 7 '. 



Explanation oi Pi in Drawn from 19 Howell, collected In Oregon; planl 

 letails magnified five times. 



29. Festuca dasyclada I link. 



Fegtuca dasyclada Hack.: Beal, Grasses N. Am. 2:602. L896. This well-marked 

 specie- has been collected only by Dr. C. C. Parry in L875, Bomewhere in 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 qo locality given on the label. 



nix RIPTION. 



Culms erect or somewhat geniculate, 20 to 40 cm. high, nearl; 3-jointed; 



Bheaths 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 

 twos, threes, or fours, filiate cm the prominent angles, mostly branched, a pulvillus 

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

 stalked, 2-flowered, 6 to 7 nun. long; joints of the rachilla L.5 nun. long, scabrous; 

 glumes lanceolate, glabrous, except on the keel, the lower I -nerved or faintly 3- 

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

 branous, ■"•-nerved, somewhat keeled, Bcabrous-puberulent all over the back, about *> 

 nun. long, the apex cleft, a scabrous awn 3 nun. long arising from between the teeth: 

 palea a little shorter than the lemma, obtuse at apex, the nerves ciliate-scabr< - 



30. Festuca elmeri Scribn. & .Merrill. 



FeMuca elmeri Scribn. & Merrill, Bull. Torr. Club 29: 468. L902. Type in the 

 National Herbarium, collected by A. I). E. Elmer (no. 2101 . at Stanford -University, 



( 'alif- irnia. 



DESCRIPTION. 



Loosely tufted, the slender culms 4n to LOO cm. high, glabrous, faintly striate. 

 3-jointed; -heath- 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 1<» t<» L'u cm. long, pale green, loose and --pen: ray- slender, 

 angled, mostly in pair-. Bmooth or nearly so, pulvillate at base, spikelet-bearing 

 above the middle; -pikelet- 7 to l>» nun. long, 3 or 4-flowered; joints of the rachilla 

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

 lower L-nerved, 2 to 2.5 mm. Long, the upper 3-nerved, •'! to 4 mm. long; lemma lan- 

 ceolate, green and membranous, 5-nerved, 6 t<> 6.5 mm. long, minutely hispidulous, 

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

 nun. Long; palea narrow ly Lanceolate, a Little Longer than the lemma, the two scabrous 

 nerves meeting in the acuminate apex, the inflexed Bides very narrow . Plat< X.IV.) 

 This perfectly distinct species has been much confused, there being n ally consider- 

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

 ( ' alii okni \ : 



Mendocino County. BolancU r 6463. 



Ukiah, Mendocino County, Davy A Blasdale 5029. 



Highland Springs, Lake County, Davy 6648. 



Taseajara Hot Springs, Monterey County, Elmer 3322. 



