910 



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



(3) Oryzopsis hendersoni Vasey, U. S. 



Natl. Herb. Contrib. 1: 267. 1893. 



[Clements Mountain, near North Ya- 

 kima] Henderson 2249. 

 Oryzopsis exigua var. hendersoni Jones, 



West, Bot, Contrib. 14: 11. 1912. 



Based on 0. hendersoni Vasey. 

 (12) Oryzopsis hymenoides (Roem. and 



Schult.) Ricker in Piper, U. S. Natl. 



Herb. Contrib. 11 : 109. 1906. Based on 



Stipa hymenoides Roem. and Schult. 

 Stipa membranacea Pursh, Fl. Amer. Sept. 



2: 728. 1814. Not S. membranacea L., 



1753. Banks of the Missouri River, 



Bradbury. 

 Stipa hymenoides Roem. and Schult,, 



Syst. Veg. 2: 339. 1817. Based on 



Stipa membranacea Pursh. 

 Eriocoma cuspidata Nutt., Gen. PI. 1: 40, 



1818. Grassy plains of the Missouri 



[type from "Platte Plains," Nuttall}. 

 Milium cuspidatum Spreng., Syst, Veg. 



1: 251. 1825. Based on Eriocoma 



cuspidata Nutt. 

 Urachne lanata Trin. and Rupr., Acad. 



St. Petersb. Mem. VI. Sci. Nat, 1: 126. 



1834. North America. 

 Eriocoma membranacea Steud., Nom. 



Bot. ed. 2. 1: 586. 1840, as synonym of 



Urachne lanata Trin. 

 Fendleria rhynchelytroides Steud., Syn. 



PL Glum. 1: 420. 1854. New Mexico, 



Fendler 979. 

 Oryzopsis cuspidata Benth. ex Vasey, 



Grasses U. S. 23. 1883. Based on 



Eriocoma cuspidata Nutt. 

 Oryzopsis membranacea Vasey, U. S. Dept. 



Agr., Div. Bot. Bui. 12 2 : pi. 10. 1891. 



Based on Stipa membranacea Pursh. 

 Eriocoma membranacea Beal, Grasses N. 



Amer. 2: 232. 1896. Based on Stipa 



membranacea Pursh. 

 Eriocoma hymenoides Rydb., Torrev Bot. 



Club Bui. 39: 102. 1912. Based on 



Stipa hymenoides Roem. and Schult. 

 Oryzopsis hymenoides var. contracta B. 



L. Johnson, Bot. Gaz. 107: 24. 1945. 



Wyoming, Elias Nelson 4850. 

 (7) Oryzopsis kingii (Boland.) Beal, Grasses 



N. Amer. 2: 229. 1896. Based on Stipa 



kingii Boland. 

 Stipa kingii Boland., Calif. Acad. Sci. 



Proc. 4: 170. 1872. Mount Dana, 



Calif., Bolander 6076 [error for 6097]. 

 (2) Oryzopsis micrantha (Trin. and Rupr.) 



Thurb., Acad. Nat. Sci. Phila. Proc. 



1863: 78. 1863. Based on Urachne 



micrantha Trin. and Rupr. 

 Urachne micrantha Trin. and Rupr., 



Acad. St. Petersb. Mem. VI. Sci. Nat. 



5 1 : 16. 1842. North America [type 



from Saskatchewan]. 

 (1) Oryzopsis miliacea (L.) Benth. and 



Hook, ex Aschers. and Schweinf., Mem. 



Inst. Egypte 2: 169. 1887. Presumably 



based on Agrostis miliacea L. 



Agrostis miliacea L., Sp. PL 61. 1753. 



Europe. 

 Achnatherum miliaceum Beauv., Ess. 



Agrost. 20, 146, 148. 1812. Based on 



Agrostis miliacea L. 

 Piptatherum miliaceum Coss., Notes Crit. 



129. 1851. Based on Agrostis miliacea 



(5) Oryzopsis pungens (Torr.) Hitchc, 

 U. S. Natl. Herb. Contrib. 12: 151. 

 1908. Based on Milium pungens Torr. 



Milium pungens Torr. in Spreng., Neu. 

 Entd. 2: 102. 1821. "Schenectady in 

 Massachusetana." [Error for New 

 York.] 



Oryzopsis parviflora Nutt., Acad. Nat. 

 Sci. Phila. Jour. 3: 125. 1823. Bellows 

 . Falls, Vt. 



Panicum firmum Kunth, Rev. Gram. 

 1: 37. 1829. Based on Milium pungens 

 Torr. 



Urachne brevicaudata Trin., Acad. St. 

 Petersb. Mem. VI. Sci. Nat. 1: 127. 

 1834. Lake Winnipeg, Canada. 



Urachne canadensis Torr. and Gray ex 

 Trin. and Rupr., Acad. St. Petersb. 

 Mem. VI. Sci. Nat, 5 1 : 17. 1842, as 

 synonym of Urachne brevicaudata Trin. 

 (9) Oryzopsis racemosa (J. E. Smith) 

 Ricker in Hitchc, Rhodora 8: 210. 

 1906. Based on Milium racemosum 

 J. E. Smith. 



Milium racemosum J. E. Smith, in Rees's 

 Cycl. 23: Milium No. 15. 1813. Lan- 

 caster, Pa., Muhlenberg. 



Oryzopsis melanocarpa MuhL, Descr. 

 Gram. 79. 1817. Pennsylvania, Muh- 

 lenberg. Name only, MuhL, Cat. PL 11. 

 1813. 



Piptatherum nigrum Torr., Fl. North, and 

 Mid. U. S. 1 : 79. 1823. Williamstown 

 and Deerfield, Mass.; Kingston and 

 Fishkill Mountains, N. Y.; Pennsyl- 

 vania, Muhlenberg. 



Urachne racemosa Trin., Gram. Unifl. 174. 

 1824. Based on Milium racemosum J. E. 

 Smith. 



Urachne melanosperma Link, Hort. Berol. 

 1: 94. 1827. Based on Oryzopsis 

 melanocarpa MuhL 



Piptatherum racemosum Eaton, Man. ed. 

 5. 331. 1829. Presumably based on 

 Milium racemosum J. E. Smith. 

 (11) Oryzopsis webberi (Thurb.) Benth. ex 

 Vasey, Grasses U. S. 23. 1883. Based 

 on Eriocoma webberi Thurb. 



Eriocoma webberi Thurb. in S. Wats., Bot, 

 Calif. 2: 283. 1880. Sierra Valley, 

 Calif., Bolander. 



Stipa webberi B. L. Johnson, Bot. Gaz. 

 107: 25. 1945. Based on Eriocoma 

 webberi Thurb. 



(137) PANICUM L. 

 (156) Panicum abscissum Swallen, Wash. 

 Acad. Sci. Jour. 30: 215. f. 4. 1940. 

 Sebring, Fla., Weatherwax in 1925. 



