POA LONGILIGULA Scribner & Williams, Circ. 9, Div. Agros., p. 8 (Feb. 



24, 1899). 

 This is one of the most clearly defined species of the fendleriana group, at once 

 distinguished by its larger proportions, rough leaves, and long, decurrent 

 ligules, well developed on leaves of both culm and sterile shoots. 

 Specimens have been examined as follows : 



Soutli Dakota: Black Hills (Rydberg 1144). 



Wyoming: Evanston (Nelson 2991); Slough Creek, Yellowstone Park 



(Tweedy, 631). 

 Colordclo : Navajo Canyon (Eastwood 10|) ; "Colorado Ter." (Thomas). 

 Utah: Silver Reef (Jones 5176, 5149, type); Echo (Jones); Springdale 

 (Jones 5249) ; Santa Clara Valley (Jones 5139) ; Copper Mine, 18 miles 

 west'of St. George (Jones 5006) : -'S. Utah" (A. L. Siler 85). 

 Neui Mexico: Fort Wingate (Dr. W. Matthews 61). 



Arizona : Pagiimpa (Jones 5089) ; Congress (Orcutt 2534) ; Red Creek 

 (Palmer 474+) ; Peach Spring (Lemmon 3172) ; Kingman (Orcutt 

 2474) ; Oak Creek (Lemmon 3155) ; Fort Mohave (Lemmon 3170). 

 California : Lemmon 18, without locality ; San Francisco (Bolander 2286) ; 



Sierra County (Lemmon). 

 Nevada : West Humboldt Mountains (Watson 1312) ; Mica Spring (Jones 



5057) : Virginia City (Bloomer 2266) ; "Nevada" (Wheeler 1872). 

 Oregon: Steins Mountains, opposite Devine Ranch (Leiberg 2480). 

 POA LONGILIGULA WYOMINGENSIS var. nov. 

 Leaves more slender than in the species, usually strongly convolute, and the 



ligules less conspicuous : culm less leafy ; jjanicle more contracted. 

 Type sjjecimen No. 4799a, Aven Nelson, "In draws, Tipton, Sweetwater County, 



Wyoming, June 17, 1898." 

 Specimens have been received from the following localities, all in the south- 

 western part of Wyoming: 



Leroy (Nelson 4589) ; Point of Rocks (Nelson 4758) ; Evanston (Nelson 4526 

 4527, 4562a and b) ; Tipton (Nelson 4799, 4799a, type). 

 Occurs in dry soil of broken prairies and on hillsides at an altitude of about 

 2250 meters. It approaches P. longipeduncidata in habit of growth, but is 

 readily distinguished by the character of the leaves, ligules, and glumes. 

 POA LONGIPEDUNCULATA Scribn., Bull. 11, Div. Agros. 54 (July 20, 

 1898), Poa andina var. spicata Vasey, Bot., Wheeler Exped. 290 (1878), riot 

 P. spicata Linn. 

 The original description of P. longipedunculata was drawn from a specimen 

 with short leaves, much contracted panicle, and glumes nearly or quite 

 smooth })etween the nerves, but does not seem specifically distinct from 

 Vasey "s plant, which has longer leaves, somewhat looser panicle, and glumes 

 minutely hispid on the back. However, Vasey's name is preoccupied and 

 the species must bear the name above given. The species is abundantly 

 distinct from Poa fendleriau a in its more densely csespitose habit of growth, 

 generally smoother leaves and culms, narrow, contracted panicle, and smaller 

 spikelets and flowers. 

 Specimens of this species have been examined from the following localities : 



Wyoming: Sheep Mountain (Nelson 3292, type of Poa longipeduncidata; 

 Williams 2296) ; Quarry Canyon (Nelson 3180) ; Pole Creek (Elias 

 Nelson 3194). 

 Colorado: Silver Plume (Shear 666; Rydberg 2418); Grays Peak (Shear 

 685; Lettorman 49; Patterson 5); Graymont (Rydberg 2444; Letter- 

 man 64, 65); Stove Prairie (Osterhout 16) ; Lake Ranch (French) ; Bear 



