MANUAL OF THE GRASSES OF THE UNITED STATES 



883 



(3) Helictotrichon mortonianum (Scribn.) 



Henr., Blumea 3: 429. 1940. Based on 



Avena mortoniana Scribn. 

 Avena mortoniana Scribn., Bot. Gaz. 21: 



133. pi. 11. 1896. Silver Plume, Colo., 



Shear 697 [type]; Rydberg 2439. 

 (1) Helictotrichon pubescens (Huds.) Pil- 



ger, Repert. Sp. Nov. Fedde 45: 6. 



1938. Based on Avena pubescens Huds. 

 Avena pubescens Huds., Fl. Angl. 42. 



1762. England. 

 Heuffelia pubescens Schur, Enum. PI. 



Transsilv. 760. 1866. Based on Avena 



pubescens L. (error for Huds.). 

 Avenula pubescens Dum., Soc. Bot. Belg. 



Bui. 7 1 : 68. 1868. Based on Avena 



pubescens Huds. 

 Avenastrum pubescens Jess, ex Dalla 



Torre, Alpenn. 44. 1899. Based on 



Avena pubescens Huds. 



(11) HESPEROCHLOA (Piper) Rydb. 



(1) Hesperochloa kingii (S. Wats.) Rydb., 

 Torrey Bot. Club Bui. 39: 106. 1912. 

 Based on Poa kingii S. Wats. 



Poa kingii S. Wats, in King, Geol. Expl. 

 40th Par. 5: 387. 1871. East Hum- 

 boldt Mountains, Watson 1317. 



Festuca confinis Vasey, Torrey Bot. Club 

 Bui. 11: 126. 1884. Pen Gulch, Colo., 

 Vasey. 



Festuca kingii Cassidy, Colo. Agr. Expt. 

 Sta. Bui. 12: 36. 1890. On the North 

 Poudre, Colo. It may be based on Poa 

 kingii S. Wats., though that is not cited; 

 there is a description. Proposed as new 

 by Scribner, U. S. Dept. Agr., Div. 

 Agrost. Bui. 5 : 36. 1897. Based on Poa 

 kingii S. Wats. 



Festuca watsoni Nash in Britt., Man. 148. 

 1901. Based on Festuca kingii Scribn. 



Wasatchia kingii Jones, West. Bot. 

 Contrib. 14:16. 1912. Based on Poa 

 kingii S. Wats. 



(159) HETEROPOGON Pers. 



(1) Heteropogon contortus (L.) Beauv. ex 



Roem. and Schult., Syst. Veg. 2: 836. 



1817. Based on Andropogon contortus L. 

 Andropogon contortus L., Sp. PI. 1045. 



1753. India. 

 Heteropogon glaber Pers., Syn. PI. 2: 533. 



1807. Europe. 

 Heteropogon hirtus Pers., Syn. PI. 2: 533. 



1807. Based on Andropogon contortus L. 

 Andropogon glaber Raspail, Ann. Sci. 



Nat., Bot. 5: 307. 1825.NotA.gr/a6er 



Roxb., 1820. Based on Heteropogon 



glaber Pers. 

 Andropogon secundus Willd. ex Nees, 



Agrost. Bras. 364. 1829, as synonym 



of Heteropogon contortus. Described in 



Griseb., Fl. Brit. W. Ind. 558. 1864. 



Not A. secundus Ell., 1821. Antigua, 



Wullschlaegel. 

 Heteropogon firmus Presl, Rel. Haenk. 1 : 



334. 1830. Mexico, Haenke. 

 Andropogon firmus Kunth, Rev. Gram. 1 : 



Sup. 39. 1830. Based on Heteropogon 



firmus Presl. 

 Heteropogon contortus var. hirtus Fenzl ex 



Hack, in Mart. Fl. Bras. 2 3 : 267. 1883. 



Based on H. hirtus Pers. 

 Heteropogon contortus var. glaber Hack, in 



Mart., Fl. Bras. 2 3 : 268. 1883. Based 



on H. glaber Pers. 

 Andropogon contortus subvar. secundus 



Hack, in DC, Monogr. Phan. 6: 587. 



1889. Based on A. secundus Willd. 

 Andropogon contortus subvar. glaber Hack. 



in DC, Monogr. Phan. 6: 587. 1889. 



Based on Heteropogon glaber Pers. 

 Sorghum contortum Kuntze, Rev. Gen. PI. 



2: 791. 1891. Based on Andropogon 



contortus L. 

 Holcus contortus Kuntze ex Stuck., An. 



Mus. Nac. Buenos Aires 11: 48. 1904. 



Based on Andropogon contortus L. 

 Heteropogon contortus subvar. secundus 



Domin, Bibl. Bot. 85 : 276. 1915. Based 



on Andropogon contortus var. secundus 



Hack. 

 (2) Heteropogon melanocarpus (Ell.) 



Benth., Linn. Soc. Jour. Bot. 19: 71. 



1881. Based on Andropogon melano- 

 carpus Ell. 

 Andropogon melanocarpus Ell, Bot. S. C 



and Ga. 1: 146. 1816. Between Alta- 



maha and Jefferson, Ga. 

 Stipa melanocarpa Muhl., Descr. Gram. 



183. 1817. Georgia. Name only, Muhl. 



Cat. PI. 13. 1813. 

 Cymbopogon melanocarpus Spreng., Syst. 



Veg. 1: 289. 1825. Based on Andro- 

 pogon melanocarpus Ell. 

 Trachypogon scrobiculatus Nees, Agrost. 



Bras. '347. 1829. Piauhy, Brazil, 



[Martius]. 

 Andropogon scrobiculatus Kunth, Rev. 



Gram, 1: Sup. 40. 1830. Based on 



Trachypogon scrobiculatus Nees. 

 Heteropogon acuminatus Trim, Acad. St. 



Petersb. Mem. VI. Math. Phys. Nat. 2: 



254. 1832. Brazil. 

 Heteropogon scrobiculatus Fourn., Mex. 



PI. 2: 64. 1886. Based on Trachypogon 



scrobiculatus Nees. 

 Sorghum melanocarpum Kuntze, Rev. 



Gen. PI. 2: 792. 1891. Based on Andro- 

 pogon melanocarpus Ell. 

 Heteropogon melanocarpus Coult., U. S. 



Natl. Herb.^ Contrib. 2: 493. 1894, 



Based on Stipa melanocarpa Muhl. 

 Spirotheros melanocarpus Raf. ex Jacks., 



Ind. Kew. 2: 967. 1895, as synonym of 



Heteropogon acuminatus Trin. 



(116) HIEROCHLOE R. Br. 



(1) Hierochloe alpina (Swartz) Roem. and 

 Schult., Syst. Veg. 2: 515. 1817. Based 

 on Holcus alpinus Swartz. 

 Air a alpina Liljebh, Utk. Svensk Fl. 49. 



