948 



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



Trel., in Branner and Coville, Rpt. 



Geol. Survey Ark. 1888 4 : 236. 1891. 



Based on Lepturus paniculatus Nutt. 

 Lepturus paniculatus Nutt., Gen. PI. 1: 



81. 1818. Mandan, N. Dak. 

 Roliboellia paniculata Spreng., Syst. Veg. 



1: 300. 1825. Based on Lepturus 



paniculatus Nutt. 

 Schedonnardus texanus Steud., Syn. PI. 



Glum. 1: 146. 1854. Texas, Drum- 



mond 360. 

 Spirochloe paniculata Lunell, Amer. Midi. 



Nat. 4: 220. 1915. Based on Lepturus 



paniculatus Nutt. 



(54) SCHISMUS Beauv. 



(2) Schismus arabicus Nees, Fl. Afr. Austr. 



1: 422. 1841. Arabia. 

 Schismus barbatus subsp. arabicus Maire 



and Weiller, Soc. Hist. Nat. Afr. Nord. 



Bui. 30: 310. 1939. Based on S. 



arabicus Nees. 

 (1) Schismus barbatus (L.) Thell., Bui. 



Herb. Boiss. II. 7: 391. 1907 in obs. 



Based on Festuca barbata L. 

 Festuca barbata L., Amoen. Acad. 3: 400. 



1756. Spain. 

 Schismus fasciculatus Beauv., Ess. Agrost. 



74, 177. 1812, name onlv; Trim, Fund. 



Agrost. 148. 1820. No "locality cited. 

 Schismus marginatus Beauv., Ess. Agrost. 



177. pi. 15. f. 4. 1812. No locality 



cited. 



(31) SCHIZACHNE Hack. 



(1) Schizachne purpurascens (Torr.) Swal- 

 len, Wash. Acad. Sci. Jour. 18: 204. f. 1. 

 1928. Based on Trisetum purpurascens 

 Torr. 



Avena striata Michx., Fl. Bor. Amer. 1: 73. 

 1803. Not A. striata Lam., 1783. Be- 

 tween Hudson Bay and Lake Mistas- 

 sini, Michaux. 



Trisetum purpurascens Torr., Fl. North, 

 and Mid. U. S. 1 : 127. 1823. Williams- 

 town, Mass., Dewey; also Boston, Cat- 

 skill Mountains, N. Y., and Montreal. 



Avena callosa Turcz. in Ledeb., Fl. Ross. 

 4: 416. 1853. Siberia. 



Avena striata forma albicans Fernald, 

 Rhodora 7: 244. 1905. Mount Albert, 

 Quebec, Collins and Fernald 26. 



Melica striata Hitchc, Rhodora 8: 211. 

 1906. Based on Avena striata Michx. 



Melica striata forma albicans Fernald, 

 Rhodora 10: 47. 1908. Based on 

 Avena striata forma albicans Fernald. 



Melica purpurascens Hitchc, U. S. Natl. 

 Herb. Contrib. 12: 156. 1908. Based 

 on Trisetum purpurascens Torr. 



Schizachne fauriei Hack., Repert. Sp. 

 Nov. Fedde 7: 323. 1909. Sachalin 

 Island, Faurie. 



Avena torreyi Nash in Britt. and Brown, 

 Illustr. Fl. ed'. 2. 1: 219. 1913. Based 

 on Trisetum purpurascens Torr., not 



Avena purpurascens DC, 1813. 

 Bromelica striata Farwell, Rhodora 21: 



77. 1919. Based on Avena striata 



Michx. 

 Schizachne striata Hult6n, Svensk. Bot. 



Tidskr. 30: 518. 1936. Based on Avena 



striata Michx. 

 Schizachne purpurascens forma albicans 



Fernald, Rhodora 44: 139. 1942. 



Based on Avena striata forma albicans 



Fernald. 

 Schizachne callosa Ohwi, Act. Phytotax. 



and Geobot. 2: 279. 1933. Based on 



Avena callosa Turcz. 



(8) SCLEROCHLOA Beauv. 



(1) Sclerochloa dura (L.) Beauv., Ess. 



Agrost. 98, 174, 177. pi. 19. f. 4. 1812. 



Based on Poa dura L. (error for Scop.). 

 Cynosurus durus L., Sp. PI. 72. 1753. 



Southern Europe. 

 Poa dura Scop., Fl. Carn. ed. 2. 1: 70. 



1772. Based on Cynosurus durus L. 

 Eleusine dura Lam., Tabl. Encycl. 1: 



203. 1791. Based on Cynosurus durus 



L. 

 Crassipes annuus Swallen, Amer. Jour. 



Bot. 18: 684. f. 1-4. 1931. Between 



Salt Lake City and Ogden, foot of 



Wasatch Mountains, Utah, Fallas in 



1928. 



(5) SCLEROPOA Griseb. 



(1) Scleropoa rigida (L.) Griseb., Spic. Fl. 



Rum. 2: 431. 1844. Based on Poa 



rigida L. 

 Poa rigida L., Cent. PI. 1: 5. 1755; 



Amoen. Acad. 4: 265. 1759. Europe. 

 Poa cristata Walt., Fl. Carol. 80. 1788. 



Not P. cristata L., 1767. South Caro- 

 lina. 

 Sclerochloa rigida Link, Enum. PI. 1: 90. 



1821. Based on Poa rigida L. 

 Glyceria rigida J. E. Smith, English Fl. 



1:'119. 1824. Based on Poa rigida L. 

 Festuca rigida Raspail, Ann. Sci. Nat., 



Bot. 5: 445. 1825. Based on Poa rigida 



L. 

 Synaphe rigida Dulac, Fl. Haut. Pyr. 90. 



1867. Based on Scleropoa rigida Griseb. 

 Diplachne rigida Munro ex Chapm., Fl. 



South. U. S. ed. 3. 609. 1897. Based 



on Poa rigida L. 



(41) SCLEROPOGON Phil. 



(1) Scleropogon brevifolius Phil., An. Univ. 

 Chile 36: 206. 1870. Mendoza, Argen^ 

 tina. 

 Festuca macrostachya Torr. and Gray, 

 U. S. Rpt. Expl. Miss. Pacif. 2 4 : 177. 

 1855. Name only. Pecos, Tex. [Stami- 

 nate specimen.] 

 Tricuspis monstra Munro ex Hemsl., Diag. 

 PI. Mex. 56. 1880, as synonym of 

 Scleropogon brevifolius Phil. 



