WOOTON AND STANDLEY FLORA OF NEW MEXICO. 79 



Vegas Hot Springs; Burro Mountains; Socorro; Fort Bayard; Berendo Creek; Riucon; 

 Cloverdale; Mesilla Valley; Organ Mountains; Malones Ranch; Roswell. Wet ground 

 and borders of streams, in the Upper Sonoran and Transition zones. 



2. Agrcstis exarata Trin. Gram. Unifl. 207. 1824. 

 Type locality: "Unalaschka." 



Range: Alaska and British America to Mexico; also in Siberia. 



New Mexico: Tunitcha Mountains; Ramah; Winsor Creek; Pecos; Rio Pueblo; 

 Laa Vegas; Cross L Ranch; Fort Bayard; Rio Mimbres; Chiz; Lower Plaza; Deming; 

 Santa Fe; Burro Mountains; Organ Mountains; Gilmores Ranch. Wet ground, in the 

 Transition Zone. 



3. Agrostis hiemalis (Walt.) B. S. P. Prel. Cat. N. Y. 68. 1888. Hair grass. 

 Corniicnpiac hiemalis Walt. Fl. Carol. 73. 1788. 



Agrostis scabra Willd. Sp. PI. 1:370. 1799. 



Type locality: Carolina. 



Range: Throughout most of North America. 



New Mexico: Tunitcha Mountains; Santa Fe and Las Vegas mountains; Sandia 

 Mountains; Grants Station; Inscrij^tion Rock; Mogollon Mountains; Mimbres River; 

 Wliite and Sacramento mountains. Meadows and woods, in the Transition and 

 Canadian zones. 



4. Agrostis idahoensis Nash, Bull. Torrey Club 24: 42. 1897. 

 Agrostis tenuis Vasey, Bull. Torrey Club 10: 21. 1883, not Sibth. 1794. 

 Type locality: Forest, Nez Perces County, Idaho. 



Range: Wasliington and Montana to California and New Mexico. 



New Mexico: El Rito Creek ( Wooton 2989). Damp woods, in the Transition Zone. 



5. Agrostis alba L. Sp. PI. 63. 1753. Redtop. 

 Type locality: "Habitat in Europae nemoribus." 



Range: British America, southward to Mexico. 



New Mexico: El Rito Creek; Santa Fe; Albuquerque; Zuni Reservation; Indian 

 Creek; Farmington; Cedar Hill; Fort Bayard; Animas Creek; White Mountains. Wet 

 meadows, in the Upper Souoran and Transition zones. 



6. Agrostis rosei Scribn. & Merr. U. S. Dept. Agr. Div. Agrost. Bull. 24: 21. 1901. 

 Type locality: Sierra Madre, Zacatecas, Mexico. 



Range: Southwestern New Mexico to central Mexico. 

 New Mexico: Cloverdale (ilfearns 462). 



36. CALAMAGROSTIS Adans. Reed bentgrass. 



Tall perennials with small spikelets in many-flowered terminal panicles; spikelets 

 1-flowered; rachilla produced above the floret into a short, usually hauy pedicel or 

 bristle; glumes nearly equal, awnless, usually exceeding the lemma; lemma sur- 

 rounded at the base by numerous hairs, these sometimes equaling or exceeding it in 

 length, awiied on the back usually from below the middle; palea more than half 

 the length of the lemma, faintly 2-nerved; stamens 3; styles distinct; grain inclosed 

 by the lemma and palea and more or less adherent. 



key to the species. 



Panicles open, the lower branches spreading or drooping; spikelets 



greenish 1. C. canadensis. 



Panicles dense, the branches erect or ascending; spikelets strongly 



tinged with purple 2. C. hypcrhorea 



americana. 



