28 F- Fedde und K. Schuster: Index novorum Siphonogamorum. [18 



upper 1 - 3-nerved, keeled. Valves hyaline, of the lower f loret muticous 

 or mucronate, of the upper awned; awn perfect. Valvules emali, hya- 

 line, nerveless. Lodicules 2, cuneate. Stamens 3. Stigmas usually 

 laterally exserted. Grain oblong to linear-oblong ; embryo half the 

 length of the grain. Perennial, ereet; blades long, narrow, midrib 

 very stout or the whole blade terete (tropieal Afriean species); ligules 

 membranous; paniole much-branched, offen large, silky and showy; 

 spikelets usiially villous, and with an involucre of hairs at the base. 



Miscanthidium teretifolium Stapf 1. c. p. 89 (= Erianthus teretifolius Stapf). 

 Angola (Gossweiler n. 807); Rhodesia (Mrs. C'raster n. 66, Miss 

 Gibbs n. 141, Rogers n. 5315). 



M. Gossweileri Stapf 1. c. p. 90 (= Cleistachne teretifolia Hack.). - Angola 

 (Gossweiler n. 4032. 3067, Newton n. 24). 



Miscanthus longiberbis (Hack.) Nak. in Tokyo Bot. Mag. XXXI (1917) p. 12 

 (= M. Matsumurae Hack. var. longiberbis Hack.). Corea. 



M. ionandros Nak. 1. o. p. 13. — Corea. 



M. sinensis Anders, f. transiticus Nak. 1. c. p. 16. -- Hondo, Shikoku, Kiusiu. 

 forma decompositus Nak. 1. c. p. 16. — Hondo, Yezo. 

 var. formosanus Hack. f. typicus Nak. 1. e. p. 17. — Formosa, 

 forma glabra Nak. 1. c. p. 17. = Formosa. 



Muehlenbergia arisanensis Hayata in Icon. plant. Formos. VII (1917) p. 87. 

 Fig. 54. — Formosa: Mt. Arisan. 



M. brevifolia (Nutt. ) Farwell in Ann. Rep. Michigan Acad. Sei. XVII (Lansing 

 1916) p. 181 (= Agrostis brevifolia Nutt. = Vilfa cuspidata Torr. = 

 Muhlenbergia cuspidata Rydb. = Sporobolus brevifolius Scribn. ). 



M. mexicana (L. ) Trin. var. commutata (Scribn.) Farwell 1. c. p. 181 (= M. 

 mexicana [L.] Trin. subsp. commutata Scribn.). 



Olyra Juruana Mez in Notizbl. Bot. Gart, Mus. Berlin-Dahlem VII (1917) 

 p. 45. — Brasilia (TJle n. 5469). 



O. laneifolia Mez 1. c, p. 45. Brasilia (Ule n. 5951). 



O. Blanchetii Mez 1. c. p. 46. Brasilia (Blanchet n. 2730). 



O. Urbaniana Mez 1. c. p. 47. Tobago (Eggers n. 5841). 



O. Loretensis Mez 1. c. p. 47. — Peruvia (Ule n. 6224). 



Oplismenus Nossibensis Mez in Notizbl. Bot. Gart. Mus. Berlin-Dahlem VII 

 (1917) p. 53. — Madagaskar (Hildebrandt n. 3334). 



O. festucaceus Mez 1. c. p. 54. Madagaskar (Forsyth Major n. 209). 



O. gracillimus Mez 1. c. p. 55. Madagaskar. 



O. flavicomus Mez 1. c. p. 55. Madagaskar (Forsyth Major 11. 208). 



Panicum elegantulum Mez in Notizbl. Bot. Gart. Mus. Berlin-Dahlem VII 

 (1917) p. 59. Novo-Caledonia (Balansa n. 3586). 



P. trichopodioides Mez et K. Schum. 1. c. p. 60. Africa Orient. Germanica 

 (Holst, n. 2844, herb, inst, Amani n. 5333). 



P. Kochii Mez 1. c, p. 60. Australia austr. (Koch n. 60). 



P. keyense Mez 1. c. p. 61. Florida (Curtiss n. 3606**. 5431. 6705). 



P. echinulatum Mez 1. c. p. 62. Paraguay (Balansa n. 34). 



P. Moritzii Mez 1. c. p. 63. Venezuela (Moritz n. 1529). 



P. didistichum Mez 1. c. p. 63. Nicaragua (Levy n. 1124). 



P. patulum Mez 1. c. p. 64. Novo Caledonia (Balansa n. 3588). 



P. firmiculme Mez 1. c. p. 65. Ceylon (Thwaites n. 895 e. p.). 



P. ortlwstachys Mez 1. c. p. 66. - Senegambia (Leprieur n. 21, Heudelot n. 453). 



