Panicum. gramine^ 439 



Culmi 2-4-pedales, paniculse spicoe 1-2 pollices longae, 2 V» lineas latfe. 

 P. deustum Tiiunb.e P. B. Spei hiic a ci Nees relatum ob folia basi sub- 

 auriculata spicasque erectas laxissimas spiculis non distichis speciflce differre 

 videtur. 



Ar. Geogr. Algeria, America tropica ex Nees. 



Sect. VI. EUPANIGUM. — Spiculse inordinalim et plus minusve 

 laxe paniculalae. Gluma inferior et palea flosculi lierma- 

 dili nunquam deficiunt. 



i 3 P. Petiverii (Trin. Dissert. U, p. 1 44) annuum,culmis decum- 

 benti, ascendenlibus inferne soepe geniculatis et radicantibus, foliis a 

 basi rotundala lanceolatis acuminatis planis pubescentibus vel gla- 

 bris, paniculffi erectae breviter pyramidatse simplicis vel subcompo- 

 sitffi racemis linearibus elongatis axique communi setuloso-asperis, 

 spiculis breviter pedicellatis basi setis longiusculis obsitis geminis 

 vel solitariis sccus racbidem laxis rarius subcontiguis majusculis 

 ellipticis acutiusculis subinflatis albido-virenlibus molliter tomentel- 

 lis vel glabris, gluma inferiore cordato-ovata acutaamplectenti triplo 

 breviore, superiore glumellaque floris neutri simiilimis 5-7-nerviis 

 elliptico-ovatis acutiusculis. flosculo hermapbrodito vix breviore 

 coriaceo oblongo mucronulato transverse ruguloso O. Trin. Ic. tab. 

 176. — P. arvense Kuntb Gram. tab, 109. — P. nudigkune et P- 

 Kotschyanum Ilochst. in Schimp. exs. 

 Hab. in Affghania (Griff. ex Aitch. Cat.). 



Hsec species forniA densiflora (Trin. 176 B) P. helopus facie referenti tran- 

 situm prfebet inter Brachiariam spiculis approximatis unilateralibus (v. gr. 

 P, Numidianmn) et Eupanica spiculis inordinatim dissitis. Spicula?, in tota 

 ditione variant glabrie et velutinse. 



Ar. Geogr. India orientalis, Nubia, Abyssinia, insulse Capitis viridis, 

 Senegalia. 



14. P. maximum (Jacq. Ic. Rar. I, tab. 13) perenne? 

 culmis elatis,foliis elongatis late linearibus acuminalis planis vaginis 

 ore pilosis, nodis pubescentibus, panicuke elongalce simplicis vel 

 composilce ramis verticillatis tenuibus rigidulis erecto-patulis sa>pe 

 ramulosis, spiculis subgeminis in racemos iongos tenues laxos 

 disposilis altero brcviler altero longius et stricte pedicellato oblongo- 

 ellipticis oblusiusculis liievibus, gluma inferiore quadruplo breviore 

 ovata obtusa, superiore et glumella flosculi masculi sessilibus oblon- 

 gis obtusiusculis nervis parum prominulis, flore hermaphrodito 

 subaequilongo coriaceo-ruguloso elliptico acutiusculo :^. P. jumento- 

 rum Pers. Syn. I, p. 83. — P. Imve Lam. 



/3 — Spiculae breviter et adpresse hirtulse. 

 Hab. in valle Kuram Affghanise loco non notato (Aitch. exs. 506 !). 

 Praeter pilos sparsos et adpressos spicularum a typo non differe vidutur. 

 Ar. Geogr. India, Africa tropica, P. B. Spei, America tropica. 



