242 
Culmus ereetus, elatus, simplex (ut videtur). vaginis nodisque 
glabris; folia culmea nervosa plana longissima. ad marginem prae- 
sertim versus apicem acuminatissimum scabriuseula , sopra subtusque 
glaberrima; spicae ad apicem culmi geminae vel ternae; rhachis arti. 
culata multinodis, articuli facillime secedentes, inflato - avi, latere al. 
tero concavi, bifariam hirsuto-eiliati, purpurascentes, pedicelli spiculae 
sterilis artieulo similes, spieulae sessilis biflorae; gluma inferior Tan. 
ceolata, quadrinervis, medio longitudinaliter impressa et. pilis inspersa, 
marginibus inflexa, ad nervos extimos carinales excurrentes validos 
scabra, gluma superior compresso - carinata, inter rhacheos artieulun 
et spieulae tabescentis pedicellum nidulans, trinervia vel subseptem- 
nervia, glabra, nervo carinali scabro et marginalibus validieribus, in- 
termediis vix conspieuis, flosculus inferior wnipaleaceus (neuter?), su- 
perior bipaleaceus hermaphroditus, palea inferiori profunde bifida, eı 
ineisura aristam geniculatam brevem tortam, parum e gluma promi- 
nentem, emittente; spieula pedicellata exigua, tabescens, unigklumis, 
gluma lineari-lanceolata subquinquenervia, palea nulla. 
Passim prope stagna pluvialia ad radices montis Cordofani Arasch- 
Cool habitat, pabulum pecori gratissimum, Octobri florens. 
3. Andropogon (Cymbopogon) giganteus Hochst. (pl 
exsiee. Un. it. in Kotschyi itin. Nub. nr. 250.). 
, Culmus elatus arundinaceus genicnlis vaginisque glahris, folia 
Jata plana nervosa glabra,, spicae geminae, tri— quadrimerae, fasci- 
culato-panienlatae, bracteatae, pili rhacheos et pedicellorum vfringue 
dense seriati spicula sessili sublongiores, gluma inferior in spieuls 
sessili quadrinervis, in pedicellata neutra novemnervis , arista floseali 
hermaphroditi spieula sua triplo longior. \ 
Gramen altitudinis insignis, usgue octopedale, stramineo-glaucum, 
culmo, geniculis foliisque glabris, ligula brevi membranacea integra. 
Panicula angusta, bracteae lanceolatae striatae spathaeformes, mem- 
branaceo -marginatae; spicae geminae plus minus divaricafae vel re 
flexae; spieula sessilis basi pilis brevibus eineta, ceterum glabra, sed 
rhacheos et pedicelli spieulae sterilis hirsutie alba utringue inelusa 
et paulo superata, gluma ejus inferior ovato-oblonga, apice lacero- 
dentata, guadrinervis, superne ad nervos duos exteriores validiores 
alato-marginata, margine proprio utrinque inflexo glumam superioren 
lanceolatam acntam navieularem trinervem ampleciente (nervus glu- 
mae superioris medias validier superne carinato-alatus); flos inferior 
unipaleacens, superior bipaleacens palea inferieri angusta apiee fili- 
