758 GRAMINEAE. 



lana brevissima involucratis; locustis 7- vel 8-floris; glumae valvula inferiore late 

 ovato-lanceolata vix acuta, superiore inferiore vix dimidia parte longiore ovato-oblonga 

 acuta obtusiusculave; glumellae palea inferiore elongata obtusiuscula, superne convo- 

 luta; flosculo intimo masculo, valvulam inferiorem longitudine duplo superante. — 

 Crescit ad rivulos in colle di Santa Thecla prope Genuam. 



Tribus VII. PAPPOPHOREAE Knth. 1. c. 252. 



830. PAPPOPHOKUM Schreb. 

 (Knth. Enumer. J. 254, Suppl. 196.) 



1. P. SCHIMPERIANUM Hochst, mss. ex A. Richard , Tent. flor. Abyssin. II. 403. — Per- 

 enne: culmis caespitosis, basi geniculatis spithamaeis, nodis pubentibus; foliis brevi- 

 bus lanceolatis angustis acutis rigidiusculis pubenti-pilosis ; ligula pilosa; vaginis pu- 

 bentibus; panicula spicata ramosa, ramis brevibus erectis; spiculis bifloris; lepicenae 

 valvulis inaequalibus erectis, exteriore breviore elliptico-Ianceolata acuta 5-nervia pu- 

 bente, interiore longiore acuta, dorso subcarinata 5-nervia pubente; palea exteriore 

 floris hermaphroditi basi ventricosa 9 - nervia pubente, aristis 9plumosis, lepicena 

 paulisper longioribus terminata. — Habitat in Abyssiniae collibus siccis prope 

 Adoua. 



2. P. FLAVESCENS Lindl. in Mitcheil, Journal of tropical Australia p. 34. adnot. — Ari- 

 stis novern rigidis pallidis plumosis; spica composita densissima oblonga; paleis Iana- 

 tis; glumis ovatis pilosis; foliis vaginisque pubescentibus tactu scabris; geniculis villo- 

 sis. — Crescit in Australia orientali tropica. 



3. P. VIRENS Lindl. in Mitchell 1. c. 360. adn. — Pumilum caespitosum : aristis 9 plu- 

 mosis rigidis, apice nudis; spica composita laxa tenui villosa; glumis pilosis; paleis 

 sericeo-pilosis; foliis tactu scabris , vaginis pilosis juxta Ugulam villosis. — Crescit in 

 Australia orientali, 



4. P. AVENACEUM Lindl. in Mitchell 1. c. 320. adn. — Aristis 9 inaequalibus scabris, 

 infra medium plumosis ; panicula pilosa angusta interrupta, ramulis inferioribus demum 

 refractis; spiculis trifloris; glumis pubescentibus multistriatis; paleis villosis ; foliis . . . ? 

 — Crescit in Australia orientali tropica. 



5. P. (Enneapogon) AUCHERl Jaub. & Spach, Annal. des sc. natur. (3. S<5r.) XIV. 363. & 

 Uiustr. plant. orientai. lab. 323. — Planta perennis multicaulis, confertissime caespi- 

 tosa. Radix fibrosa , fibris filiformibns subsimplicibus. Caules 5 — 9 pollices longi 

 (inflorcscentia non adjecln), oscendentes vel erecti, simplices graciles laevigati teretes 

 striatuli , paucinodi , nodis bnrbnio- lanulosi , caeterum modo glnbri modo pube brevi 

 molli subtomeniosi (pilis simul ac pnbis foliorum et glumarum pierisque apice clavato- 

 vel subgloboso-inflatis), nodis inferioribus geniculati; internodia inferiora vaginis paulo 

 longiora; ai ticulus summus elongatus (3— ?-pollicaris), strictus, demum longe exsertus, 

 uodi crassiusculi. Folia subcoriacea crassiuscula glauca nervosa papilly^osa scabra. 

 uiolliter villosula involuta , radicalia 1 — 2 pollices longa, ad caulium basin distiche 

 conferta (vaginis imbricaiis), caulinis anguslioia, subulato-flliformia, alia recta, alia 

 roagis minusve falcaia , caulina radicalibus latiora et minns involuta . 1 — 2 pollices 

 longa , lnnceolato - linearia acuta, nunc recta nunc subfalcata. Vaginae subcoriaceae 

 nervosae, simili modo ac folia papillulosae et puberulae. Vaginae intimae imbricatae 



