Panicum. T^irgana. P A N I C E A E. 263 



Paniciim anceps Mchx. Radiis virgatis, a basi compositis, paniculalo- jubatis, pa- 

 tulis; Radiolis plnumquc contractiusculis; Pedicellis spicula brevioribus; 

 Spiculis subultralinealibus, subarcuato- ovato-lanceolalis, acuminatis, gla- 

 bris; Gluraa inferiorc flosculis plus duplo breviori, 5-, superiore (eosdem 

 subcxcedente) 7-nervi; Ilermaplirodito (neutro § minori) obtuso, apice bre- 

 vissime barbulato, laevi ; Foliis (laliusculo-) linearibus, glabris. 

 Panicum anceps. R, et S. II, p, 444, Manl. 2, p. 241. Kth. Agr. syn. 

 p. 114, — P. roslralum Milhlcnb. — an P. pennsybanicum Sprgl. 



V. spp. Am. bor. 

 Culmus 3 — 4-pedalis, compressus, simplex. Vaginae praesertira superne 

 pilosulae. Folia latiora lineas 5 lata , fere 2-pedalia, supremum saepe pani- 

 culam subaequans I, excedens, Panicula dodrantalis — pedalis, Radii solitarii 

 vel aliquot conferti, 3 — 4-pollicares. Racemuli semi — sub- 1-pollicares. 

 Spiculae pallide virides. Flosculus neuler 2-valvis, 

 Panicum rifulare. Radiis racenioso-virgatis, (exceptis infimis) a basi compositis, 

 paniculato-jubatis, racemulisque contractis; Pedicellis brevissimis; Spiculis 

 sublinealibus, lincari-elliplicis, obtusiusculis, glabris; Gluma inferiore flos- 

 culis duplo breviori, 3-, superiore (iisdera paulo minori) 3 — 5-nervi; 

 Mermaphrodito acutiusculo, apice subbarbulato, laevi ; Foliis linearibus, gla- 

 bris (longissimis). 

 Panicum rivulare Trin. Diss, II, p, 213, Ic. gr. XXII. tab. 264. N. ab Es. 

 Agr. bras. p. 181. 



V. spp. Bras. 

 Culmus i — 6-pedalis, simplex. 7^^/«of glabrae. JFiy//a licrbacea vel sub- 

 coriacca: illa plana, lineasSlata; hacc compresso-concava et nuillo angustiora; 

 inferiora interdum 3 — 4-pedalia. Juba panicularis 1 — 2-pedalis, fusces- 

 cendo-virens, satis densa. Racemi solitarii 1. aliquot pseudovcrticillati. Race- 

 muli semi — l-pollicares. FIosc. neui, 1 — 2-valvis. 



