52 HORTUS GRAMINEUS WOBURNENSIS. 



ARISTIDA spadicea, ann. nat. S. Amer Chaet. spadicea, R. S. 



Linn. Sys. Veg. p.397. 

 recurvata, per. nat. Island St. Thomas. Chaet. recurvata, ibid. 

 calijcina,per. nat. N. Holl. Brown, Prodr. i. p. 173. 

 ramosa,per. nat. N. Holl. Brown. 

 dichotomus, bien. nat. Carolina, Pursh, Mich. Curtopogon dicho- 



tomns, R. S. L. Sys. Veg. i. p. 398. 

 pungens, per. pungent-leaved, nat. Sfax Desert. Arthrateriim 



pungem, R. S. L. Sys. Veg. i. p. 398. 

 stipoides, per. nat. N. Holl. Brown, Prodr. i. p. 174. Arth. 



sfipoides, R. S. Linn. Sys. 398. 

 hygromatricum, per. nat. New Holland. Brown. 

 ciliata,per. ciliated, nat. Barbary, R. S. L. S. Veg. i. p. 399. 

 murina, per. wall awned-grass, allied to Hordeum murinum, ibid. 

 rigida,per. rigid, nat. Philippine Isles, ibid. 

 laxa,per. loose, nat. Philippine Isles and Montevideo, ibid. 

 longe spicata, long-spiked, nat. Carolina, ibid. p. 400. 

 vagans^per. divaricated panicled, nat. N. Holl., Brown, Prod. 

 ternipes, per. alternate branched, nat. Panama, Cav. Icon. 

 elegans,per. elegant, nat. S. Amer. Rudge. 

 rigescens, per. stifF-leaved, nat. E. Indies. R. S. L. S. Veg. i. 



p. 400. 

 uniphimis, per. one-feathered, nat. C. G. H,, ibid. 

 congesta, per. nat. Cape of Good Hope, ibid. 

 KNAPPIA. Knapp's grass. Generic character: ca/yo: 1-flowered, 

 2-valved, truncated ; corolla like hairs, united at the base, 

 parallel, enclosing the fructification. 

 agrostidea, ann. bent-like Knapp's grass, indig. May. E. Bot. 



1127. Sm. Engl. Fl. i. pp. 83; 84. 



Sect. V. Grasses with 3 Stamina, 2 Styles; Calyx l-Jloivered, 

 bisexual ; Corolla 2 Valves. 



PASPALUS. Finest-flour grass. Generic character : calyx 2- 

 valved, 1-flowered ; corolla 2-valved, valves roundish, carti- 

 laginous, convex on the outside, and rather inflex at the 

 base ; stigmas pencil-form ; seed, husks permanently closed 

 on the seed, which is compressed, and convex on one side. 

 R. S. L. S. Veg. 

 membrauaceus, per. membranaceous, nat. Carolina? R. S. L. 

 Sys. Veg. i. p. 290. 



