URELYTRUM. ANDROPOGONER (AUCT. EDUARDO HACKEL). 271 
longis fovens ; IV* ut IIT sed tenuissime 3-nervis, ejus palea æquilonga, 
oblonga, binervis, apice ciliolata. Pedicelli articulos zequantes v. sub- 
superantes, iisque simillimi nisi magis complanati, subclavati, densius 
aculeolato-scabri, spatio late oblongo ab articulo separati. Spieule 
pedicellate dempta cauda 2—2,5 em. longa 6—7 mm. long&, ceterum 
sessilibus similes nisi gluma I™ inzequilatera, II“ nervis brevibus non 
anastomosantibus. 
India orient. : in Bengali aquis stagnantibus v. leniter fluentibus 
profundis e. gr. fluminis Barak (Griff. 1413), pr. Silhet (Keenan) ; in 
Africa tropica : Kordofan (Pfund in h. berol. 581 et 600) ; Marigat ad 
Kassakh (Leprieur h. berol.); Unyoro (ex Grant). In Nilo Albo 
secundum peregrinatores varios interdum ita copiose erescit ut navi- 
gatio impediatur. 
Obs. Cauda in speciminibus africanis latior, sepeque brevior quam 
in indieis, ceterum nulla differentia. 
XVII. URELYTRUM Hack. in Engl. et Prantl Nat. Pflanzenfam., 2, 
vol. 2, pp. 22, 25; Vossia Munro in Harvey, Gen. South Afr. Pl. 
ed. 2, p. 441 quoad specc. capens., non Wall. et Griff. ; Benth. et 
Hook. Gen. Pl. 3, p. 1131 ex p. 
1 22 1 
Racemi subcompositi in apice culmi solitarii, y ; rhacheos 
fragillime rectæ articuli übliquissime disjungentes, disjuneti apice 
ultra cicatricem planam nec excavatam in appendicem coriaceum 
auriculiformem produeti, recti ; pedicelli artieulis arcte accumbentes, 
liberi. Spiculze ad quemvis rhacheos nodum bins, primaria pedicellata 
floribus 2 masculis v. neutra, glumä I"* in aristam subuliformem 
longam patentem abeunte; secundaria sessilis biflora, flore superiore 
8, inferiore g', glumá I^* muticä rhacheos cavum postice clausum 
exacte oceludente; omnium spieularum a dorso subcompressarum 
gluma I" coriacea, dorso planiuscula v. subeonvexa, II“ chartacea, 
acute carinata, mutica; II‘ hyalina, binervis, paleam floremque 
g fovens; IV* hyalina, tenuissime 3-nervis, ejus palea hyalina, 
binervis. Lodicule angustius cuneatz, glabr&. Stigmata linearia, 
stylos 3—4-plo superantia, infra mediam spiculam patentim exserta. 
Gramina africana subrobusta, inflorescentià spicam Agropyri canini 
v. Tritiei Aucheri ete. referentia, a Vossise genere, cui Munro et 
Bentham adjunxerunt notis allatis longe diversa. — Perennia. Culmi 
erecti, subrobusti, teretes, glaberrimi, 2—3-nodes, simplices, superne 
