Panieum GRAMiNEiE 433 



membranacese concavfe exterior nunquam aristata saepius multo 

 minor interdum obsolela. Floris infcrioris glumella glumse superiori 

 sa^pius similis membranacea plurinervis. palea subenervis interdum 

 abortiva. Floris hermaphrodili glumella et palea coriacefc subsequales 

 illa paleam amplectens. Squamulse bince carnosai truncatse glabrse. 

 Stamina 3, ovarium glabrum. Styli bini terminales elongati, stigmata 

 plumosa ad apicem floris emergentia. Caryopsis glumellis induratis 

 inclusa sed libera a dorso subcompressa venlre ad basin hilo puncti- 

 formi obsita. — Herbae inflorescentia variae. 



Sect. I. DIGITARIA. — Spiculee secus spicas digitatas unilateraliter 

 geminatse altera sessili vel subssssili, altera pedicellata, 

 Gluma inferior minima vel obsoleta. Palea auperior flos- 

 culi neutri nulla. — Digitaria Scop. 



1. P. glabrum (R. et Sch. Syst. II, p. 471 sub Digitaria) 

 annuum, culmis pluribus tenuibus procumbentibus,foliis lineari-Ian- 

 ceolatis acutis brevibus glabris ore vaginae hirta, spicis 2-4 subdi- 

 gitatis linearibus erecto-patentibus tandem rubellis, spiculis minutis 

 ellipticis acutis, gluma inferiore obsoleta. superiore ellipticri tenuiter 

 hirta flosculos aequante, glumella neutra lanceolata acuta subquin- 

 quenervi puberula, flosculo hermaphrodito glumellse neutrae aequi- 

 longo Isevi ©. P. glabrum Gaud. Helv. I, p. J55. Trin. Ic. tab. 149. 

 — Dig. filiformis Kael. Gram. 26. Rchb. Germ. fig. 506. — Paspatum 

 ambiguum. D. G. Fi. Fr. 3, p. 16. 



Hab. in cultis arenosis, prov. Gaucasicse in Iberia (Stev. C. A. Mey.), 

 ditione Talysch (Hoh.), Pontus Lazicus ad Rhiz6 (Bal !). 



Ar Geogr. Europa media et australis ab Anglia et Gothia ad Rossiam me- 

 diam et ab Hispania boreali ad Italiam etregionem Danubialem, Mandschu- 

 ria, insulae Ganarienses, America borealis. 



2. P. sanguinale (L. Sp. 84)annuum, culmis pluribus ascen- 

 ditibus inferne saepe radicantibus, foliis lineari-lanceolatis acutis 

 vaginisque plus minus pilosis, spicis 3-8 subdigitatis linearibus elon- 

 gatis erectis tandem patentibus et ssepius rubellis, spiculis oblongo- 

 lanceolatis acutis, gluma inferiore minim^ vix conspicua, superiore 

 lanceolata apice pilosa glumella neutra dimidio breviore, glumella 

 neutra lanceolata aculS prominenter quinquenervi sub lente hir- 

 tuia vel glubra, flosculo hermaphrodito oblongo glumellse neutrae 

 sequilongo ©. Digitaria sanguinalis Scop. Carn. I., p. 52. — Host 

 Gram. 2 tab. 17. — Rchb. Germ. fig. 507. — P. ^gyptiacum Retz 

 Obs. III, p. 8 et Dig. jEgyptiaca Link (variatio vix notanda glu- 

 mella neutra glabra). 



Hab. in cultis totius ditionis a Grtecid ! ad Egyptum ! Gaucasum ! Persiaml 

 Affghaniam! 



