GRAMINA. 



397 



continuous. Rachis hirsute. Invol. of Setas 

 hardly as long as the raceme. Outer Pale of 

 complete Fit. quite smooth, a. 7, 8. Near 

 Trent."— Bert. 



846. PENNISETUM. 



1. ciliare. Setas twice as long as floret, 

 equal, or one of the inner ones alone length- 

 ened. Glumes nearly equal. Inner Pale hi- 

 dentate. Styles separate, capillary, p. 11, 12, 

 Monte Pellegrino ; 4, 5, Lipari. 



847. LAPPAGO. 



1. racemosa. Glumes at last horny. 

 Prickles crooked. Spicules disjjosed in short 

 spikes, which are united into a raceme. Upper 

 Spicule of each Spike tabescent. a. 6, 7. 

 Sandy. Pr. VaJlais. It. 



Tribe III. OBTZEM 



848. LEERSIA. 



1. oryzoides. Pan. effuse. Glume 0. 

 Pales ciKate on the keel. Upper Sheath very 

 long and rough, p. 8, 9. Brains in wet 

 meadows and rice-fields, s. Eng. s. Eur. 



849. ORYZA. 



1. sativa. L. linear, rough. Outer Pale 

 ribbed, a. Infield cultivation in Lombardy. 



850. EHRHARTA. 



1. panicea. " Culm branched. Rac. las, 

 somewhat compound at base. One of the neu- 

 tral Fits, transversely wrinkled, p. 7. Villa 

 Regia. Portici." — Kunth, wliom I have fol- 

 lovjed in putting the plant among the Oryzese. 



Tribe IV. PHALARIBEjE. 

 851. PHALARIS. 



A. Glumes conspricuously winged on the heel. 



1. canariensis. Pan. spike-like, ovoid. 

 Wing rounded, neaiiy entire. Neutral Fits. 

 2, nearly equal, more than half as long as the 

 fertile florets, a. 6, 7. Escapes. 



2. nitida. Spike ovoid. Glumes acute. 

 Wing somewhat rounded, entire. Neutral Fits. 



2, very small, ovate, membranous, a. 4, 5. 

 Qlayey hills. Sic. ? Ponte Galera near Rome. 



3. truncata. Rac. spike-like, cylindrical. 

 Wing entire, separated by a sinus from the top 

 of the glume. Neutral Fits, small, lanceolate, 

 membranous. Pale of fertile Fits, vrith ad- 

 pressed hairs. Root fibrous. 5, 6. Fields. 

 Cal. Sic. Orvieto. 



4. nodosa. Pan. spike-like, lanceolate. 

 Glumes acute. Wing narrow, entire. Neutral 

 Fit. sublanceolate, villous, as well as the pale. 

 p. 6. Bry clay. Sic. Civ. Vecchia. 



5 . aquatica. Pan. spike-Uke, cyhndrical. 

 Glumes acute. Wing eroso-dentate, termi- 

 nating abniptly. No barren Fit. Pales thin,, 

 nearly smooth. Roots beaded, p. 6. Coasts 

 of Mdt. 



6. minor. Pan. spike-like, oblong. Glmnea 

 acuminate. Wing narrow, jagged. Outer 

 barren Fit. a minute fleshy scale ; inner mem- 

 branous, half as long as the villous pale. a. 

 5. Genoa. Rome. Sic. Sard. 



7. gracilis. " Pan. very short, ovoid. 

 Glume acute, mucronulate, with a broad,, 

 toothed wing, truncate below the top. Bar- 

 ren Fit. solitary, lineai', very small. Glume 

 of fertile Fit. villous. Upper Sheath inflated, 

 leafless. Culm slender. Root fibrous. Malta." 

 — Pael. 



8. paradoxa. Rac. spike-like, obovato- 

 cyliudrical : middle and upper branches some- 

 what cymose. Small, blunt, neutral Spicules 

 mixed with the others at the base of the spike. 

 a. 5. Cult. It. Istr. Trieste, s. Fr. 



B. Keel of Glumes not winged. 



9. arundinacea. Pan. ei'ect, spreading. 

 Barren Fits, very minute, crested mth long^ 

 hairs, p. 6, 7. Wet. Wanting in s. It. 



852. ANTHOXANTHUM. 



1. odoratum. Pan. spike-like. Fl. nearly 

 erect. Glume about as long as the awns. p. 

 4-6. Meadows. 



2. gracile. Pan. short. M. hairless, di- 

 varicate. Longer Awn twice as long as glume. 

 a. 3-5. Calc. pastures. Sic. Sard. 



853. HIEROCHLOA. 



1. borealis. Pan. somewhat one-sided. 

 Stalks smooth, complete. Fit. awnless : baiTcn 

 slightly awned. Root creeping, p. 5, 6. 

 n. e. G. Sc. very rare. It. Tyr. 



