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



This species has been referred to Agrostis capillaris L., a European species not 

 known from America. 



Agrostis tenuis var. aristata (Parnell) Druce, List Brit. PI. 79. 1908. Pre- 

 sumably based on A. vulgaris var. aristata Parnell. 

 Agrostis striata Willd., Sp. PL 1: 366. 1797. Not A. stricta Gmel., 1791. North 



America. 

 Agrostis stricta Muhl., Descr. Gram. 65. 1817. Not A. stricta Gmel., 1791. 



New England and Carolina. 

 Trichodium strictum Roem. and Schult., Syst. Veg. 2: 281. 1S17. Based on 



Agrostis stricta Willd. 

 Agrostis diffusa Muhl.; Spreng., Syst. Veg. I: 260. 1825. Not A. diffusa 



Host, 1809, nor Muhl., 1817. As synonym of A. stricta Muhl. 

 Agrostis vulgaris var. aristata Parnell, Grasses Scotl. I 1 : 34. pi. 13. 1842. 



Scotland. 

 Agrostis alba var. aristata A. Gray, Man. 578. 1848. Not A. alba var. aristata 



Spenner, 1825. Based on A. stricta Willd. 

 Agrostis stricta Buse, in Miquel, PL Jungh. 341. 1854. Not A. stricta Gmel., 



1791. Based on Trichodium strictum Roem. and Schult. 

 Agrostis alba var. stricta Wood, Class-book 774. 1861. Based on A. stricta 



Willd. 

 Agrostis tenuis forma aristata (Parnell) Wiegand, Rhodora 26: 2. 1924. Based 



on A. vulgaris var. aristata Parnell. 

 Agrostis palustris var. stricta House, N.Y. State Mus. Bull. 254: 98. 1924. 



Based on Agrostis stricta Willd. 

 Agrostis capillaris var. aristata Druce, Fl. Oxfordsh. ed. 2. 474. 1927. Pre- 

 sumably based on A. vulgaris var. aristata Parnell. 

 Agrostis capillaris aristulata Hitchc, Biol. Soc. Wash. Proc. 41: 160. 1928. 



Alexandria, Va. Amer. Gr. Nat. Herb. 344. 

 (4) Agrostis thurberiana Hitchc, U.S.Dept.Agr., Bur. Plant Indus. Bull. 68: 



23. pi. 1. f. 1. 1905. Skamania Countv, Wash., Suksdorf 1021. 

 Agrostis hillebrandii Thurb.; Boland. Agr. Soc. Calif. Trans. 1864-1865: 136. 



1866. Name onlv. Sierra Nevada, Calif., Hillebrand. 

 Agrostis atrata Rydb., Bull. Torrey Bot. Club 36: 531. 1909. Yoho Valley, 



British Columbia, Macoun 64787. 

 (6) Agrostis verticillata VilL, Prosp. PL Dauph. 16. 1779. France. 



Agrostis alba var. verticillata Pers., Syn. PL 1: 76. 1805. Based on A. verticil- 

 lata Vill. 

 Agrostis villarsii Poir., in Lam., Encycl. Sup. 1: 251. 1810. Based on A. 



verticillata Vill. 

 Vilfa verticillata Beauv., Ess. Agrost. 16, 148, 182. 1812. Based on Agrostis 



vcvtzcilicitci \ ill 

 Agrostis decuvibens Muhl.; Ell., Bot, S.C. and Ga. 1: 136. 1816. Not A. 



decumbens Host, 1809. Charleston, S.C. 

 Agrostis stolonifera var. verticillata St. Amans, Fl. Agen. 28. 1821. Based on 



A. verticillata Vill. 

 Agrostis condensata Willd.; Steud., Nom. Bot. ed. 2. 1: 40. 1840, as synonym of 



A. verticillata Vill. 

 Agrostis leptos Steud., Svn. PL Glum. 1: 169. 1854. Louisiana. 

 Agrostis aquatica BuckL, Acad. Nat, Sci. Phila. Proc. 1862: 90. 1863. Not 



A. aquatica Pourr., 1783. San Saba Cou.ity, Tex. 

 Agrestis verticillata Bubani, Fl. Pvr. 4: 282. 1901. Based on Agrostis verticillata 



Vill. 



(56) AIRA L. 



(3) Aira capillaris Host, Icon. Gram. Austr. 4: 20. pi. 35. 1809. Europe. 

 Avena capillaris Mert. and Koch, in RoehL, Deut. Fl. ed. 3. I 2 : 573. 1823. 



Based on Aira capillaris Host, 

 Airopsis capillaris Schur, Oesterr. Bot. Ztschr. 9: 328. 1859. Based on Aira 



capillaris Host. 

 Fussia capillaris Schur, Enum. PL Transsilv. 754. 1866. Based on Aira 



capillaris Host. 

 Airella capillaris Dum., Bull. Soc. Bot. Belg. 7 1 : 68. 1868. Based on Aira 



capillaris Host. 

 Aspris capillaris Hitchc, U.S. Dept. Agr. Bull. 772: 116. 1920. Based on 



Aira capillaris Host. 



