852 



MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



1888. Vancouver Island, Macoun in 



1887. 

 Deschampsia atropurpurea var. latifolia 



Scribn. ex Macoun, Cat. Can. PI. 2 4 : 



209. 1888. Based on Aira latifolia 



Hook. 

 Vahlodea latifolia Hult£n, Fl. Aleut. Isl. 



83. 1937. Based on Aira latifolia 



Hook. 

 (6) Deschampsia caespitosa (L.) Beauv., 



Ess. Agrost. 91, 149, 160. pi. 18. f. 3. 



1812. Based on Aira caespitosa L. 

 Aira caespitosa L., Sp. PI. 64. 1753. 



Europe. 

 Agrostis caespitosa Salisb., Prodr. Stirp. 



25. 1796. Based on Aira caespitosa L. 

 Aira ambigua Michx., Fl. Bor. Amer. 1: 



61. 1803. Canada, Michaux. 

 Aira caespitosa var. ambigua Pursh, Fl. 



Amer. Sept, 1: 77. 1814. Based on A. 



ambigua Michx. 

 Aira cespitosa MuhL, Descr. Gram. 85. 



1817. Pennsylvania; New England. 

 Aira aristulata Torr., Fl. North, and Mid. 



U. S. 1 : 132. 1823. New York, Cooper. 

 Campbella caespitosa Link, Hort, Berol. 1 : 



122. 1827. Based on Aira caespitosa L. 

 Aira caespitosa var. genuina Reichenb., 



Icon. 1 : pi. 96. f . 1682. 1834. Based on 



A. caespitosa L. 

 Podionapus caespitosus Dulac, Fl. Haut. 



Pyr. 82. 1867. Based on Deschampsia 



caespitosa Beauv. 

 Avena caespitosa Kuntze, Taschenfl. 



Leipzig 45. 1867. Based on Aira 



caespitosa L. 

 Aira major subsp. caespitosa Syme in 



Sowerby, English Bot, ed. 3. 11: 64. 



1873. Based on A. caespitosa L. 

 Aira caespitosa var. montana Vasey in 



Rothr. in Wheeler, U. S. Survev, W. 



100th Merid. Rpt. 6: 294. 1878. Not 



A. caespitosa var. montana Reichenb., 



1850. Utah, Colorado, and Arizona. 

 Deschampsia caespitosa var. maritima 



Vasey, Torrey Bot. Club Bui. 15: 48. 



1888. Vancouver Island, Macoun in 



1887. 

 Deschampsia ambigua Beauv. ex Jacks., 



Ind. Kew. 1: 735. 1893. Name only, 



presumably referring to Aira ambigua 



Michx. 

 Deschampsia caespitosa var. alpina Vasey 



ex Beal, Grasses N. Amer. 2: 368. 



1896. Not D. caespitosa var. alpina 



Ducomm., 1869. Alaska, Elliott; Colo- 

 rado, Letterman. 

 Deschampsia caespitosa var. confinis Vasey 



ex Beal, Grasses N. Amer. 2: 369. 



1896. Southern California, Palmer 231 



in 1888. 

 Deschampsia caespitosa var. longiflora 



Beal, Grasses N. Amer. 2: 369. 1896. 



Vancouver Island, Macoun in 1887. 

 Deschampsia. alpicola Rydb., Torrey Bot. 



Club Bui. 32: 601. 1905. Based on D. 



caespitosa var. alpina Vasey. 



Deschampsia confinis Rvdb., Torrev Bot. 



Club Bui. 36: 533. 1909. Based^on D. 



caespitosa var. confinis Vasey. 

 Deschampsia pungens Rydb., Torrev Bot, 



Club Bui. 39: 103. "1912. Banff, Al- 

 berta, McCalla 2309. 

 Deschampsia caespitosa var. genuina Volk, 



Bot. Jahrb. 47: 312. 1912. Based on 



Aira caespitosa var. genuina Reichenb. 

 Aira alpicola Rydb., Fl. Rockv Mount, 



ed. 2. 1112. 1922. Based " on Des- 



champsia alpicola Rydb. 

 Deschampsia caespitosa subsp. genuina 



W. E. Lawr., Amer. Jour. Bot. 32: 302. 



1945. Based on Aira caespitosa var. 



genuina Reichenb. 

 The following names based on Deschamp- 

 sia brevifolia R. Br. (Sup. App. Parry's Voy. 

 191. 1821) described from Melville Is- 

 land, Arctic America, and not known from 

 the United States, have been misapplied to 

 D. caespitosa by various American authors: 

 Aira arctica Spreng., Syst. Veg. 4: Cur. 



Post. 32. 1827. Based on Deschampsia 



brevifolia R. Br. 

 Aira caespitosa var. arctica Thurb. ex A. 



Gray, Acad. Nat, Sci. Phila. Proc. 1863: 



78. 1863. Based on Deschampsia brevi- 

 folia R. Br. 

 Deschampsia brachyphylla Nash in Rvdb., 



N. Y. Bot. Gard. Mem. 1: 37. 1900. 



Not D. brachyphylla Phil, 1896. Based 



on D. brevifolia R. Br. 

 Deschampsia curtifolia Scribn., U. S. 



Dept. Agr., Div. Agrost, Cir. 30: 7. 



1901. Based on D. brachyphylla Nash. 

 Deschampsia arctica Merr., Rhodora 4: 



143. 1902. Based on Aira arctica 



Spreng. 

 Aira curtifolia Rydb., Fl. Rocky Mount. 



ed. 2. 1112. 1922. Based on Des- 

 champsia curtifolia Scribn. 

 Other names based on Old World species 

 were misapplied to Deschampsia caespitosa 

 by Beal: 



Deschampsia caespitosa var. bottnica Vasey 



ex Beal, Grasses N. Amer. 2: 369. 



1896. Based on Aira bottnica Wahl. 

 Deschampsia caespitosa var. brevifolia 



Vasey ex Beal, Grasses N. Amer. 2: 369. 



1896. Based on Aira brevifolia Bieb. 

 Deschaynpsia caespitosa var. montana 



Vasey ex Beal, Grasses N. Amer. 2: 369. 



1896. Based on D. montana Schur. 

 The following names applied to various 

 collections of D. caespitosa are based on 

 European types. Some of these collections 

 agree fairly well, some do not, with Euro- 

 pean specimens distributed under these 

 names: 



Deschampsia caespitosa var. glauca 



(Hartm.) Lindm., Svensk. Fanero- 



gampl. 81. 1918. Not D. caespitosa var. 



glauca Regel, 1881. Based on D. glauca 



Hartm. 

 Deschampsia glauca Hartm., Handb. 



Skand. Fl. 448. 1820. 



