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



(1) Calamovilfa curtissii (Vasey) Scribn., U.S.Dept.Agr., Div. Agrost. Bull. 17: 



199. f. 495. 1899. Based on Ammopkila curtissii Vasey. 

 Ammophila curtissii Vasey, Bull. Torrey Bot. Club 11: 7. 1884. Indian 



River, Fla., Curtiss. 

 Calamagrostis curtissii Vasey, Bot. Gaz. 15: 269. 1890. Based on Ammophila 



curtissii Vasey. 

 (4) Calamovilfa gigantea (Nutt.) Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 35: 2. 1901. Based on Calamagrostis gigantea Nutt. 

 Calamagrostis gigantea Nutt., Amer. Phil. Soc. Trans, (n.s.) 5: 143. 1837. 



Great Salt River of the Arkansas. 

 Toxeumia gigantea Nutt.; Scribn. and Merr., U.S.Dept.Agr., Div. Agrost. 



Circ. 35: 2. 1901, as synonym of Calamovilfa gigantea. Salt River, Ark., 



Nuttall. 

 (3) Calamovilfa longifolia (Hook.) Scribn., in Hack., True Grasses 113. 1890. 



Based on Calamagrostis longifolia Hook. 

 Calamagrostis longifolia Hook., Fl. Bor. Amer. 2: 241. 1840. Saskatchewan, 



Drummond. 

 Vilfa rigida BuckL, Acad. Nat. Sci. Phila. Proc. 1862: 89. 1863. "Oregon?" 



the locality probably erroneous. 

 Ammophila longifolia Benth.; Vasey, Grasses U.S. 29. 1883. Based on 



Calamagrostis longifolia Gray [error for Hook]. 

 Atheronotus longifolius Lunell, Amer. Midi. Nat. 4: 218. 1915. Based on 



Calamagrostis longifolia Hook. 

 Calamovilfa longifolia var. magna Scribn. and Merr., U.S.Dept.Agr., Div. 



Agrost. Circ. 35: 3. 1901. Mouth of Kalamazoo River, Mich., Taylor in 



1894. 



(13) CATABROSA Beauv. 



(1) Catabrosa aquatica (L.) Beauv., Ess. Agrost. 97, 149, 157. pi. 19. f. 8. 1812. 



Based on Aira aquatica L. 

 Air a aquatica L. Sp. PL 64. 1753. Europe. 

 Molinia aquatica Wib., Prim. Fl. Werthem. 116. 1799. Based on Aira 



aquatica L. 

 Poa airoides Koel., Descr. Gram. 194. 1802. Based on Aira aquatica L. 

 Glyceria aquatica Presl, Fl. Cech. 25. 1819. Based on Aira aquatica L. 

 Hydrochloa airoides Hartm., Gen. Gram. Skand. 8. 1819. Based on Aira 



aquatica L. 

 Diarrhena aquatica Raspail, Ann. Sci. Nat., Bot. 5: 447. 1825. Based on 



Catabrosa aquatica Beauv. 

 Melica aquatica Loisel., Fl. Gall. ed. 2. 1: 59. 1828. Based on Aira aquatica L. 

 Glyceria airoides Reichenb., in Moessl., Handb. Gewachsk. ed. 2. 3: 1827. 



1829. Based on Poa airoides Koel. 

 Colpodium aquaticum Trim, Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 1: 



395. 1830. Based on Aira aquatica L. 

 Glyceria catabrosa Klett and Richt., Fl. Leipzig 96. 1830. Based on Catabrosa 



aquatica Beauv. 

 Calapodium aquaticum Trim; Willk. and Lange, Prodr. Fl. Hisp. 1: 77. 1861, 



as synonym of Catabrosa aquatica Beauv. 



(105) CATHESTECUM Presl 



(1) Cathestecum erectum Vasey and Hack., Bull. Torrey Bot. Club 11: 37. pi. 

 45. 1884. Presidio, Tex., Havard. 

 This is the species described and figured by Scribner (U.S.Dept.Agr., Div. 

 Agrost. Bull. 7: 242. f. 224. 1897) under the name Cathestecum prostratum Presl. 



(137) CENCHRUS L." 



Cenchrus barbatus Schum., Beskr. Guin. PL 63. 1827. Guinea, Africa. 



Cenchrus catharticus Delile, Cat. Hort. Monsp. 1838: 4. 1839. Grown from 

 seed from Nubia, Africa. 

 (3) Cenchrus echinatus L., Sp. PL 1050. 1753. Jamaica, Curacao. 



Cenchrus pungens H.B.K., Nov. Gen. and Sp. 1: 115. 1815. Guayaquil, 



Ecuador, Humboldt and Bonpland. 

 Cenchrus brevisetus Fourm, Mex. PL 2: 50. 1886. Orizaba, Mexico, Schaffner 

 198; Bourgeau 3140; Botteri 133. 



i 8 For discussion of types see Chase, Contrib. U.S. Natl. Herb. 22: 52-76. 1920. 



