OF THE MATTO GROSSO EXPEDITION, 1891-92. 505 
Hujus reperi varietatem insequentem :— 
Var. LINEARIFOLIA, nob.; foliis anguste linearibus, usque 10:0 em. long, modo 0'1 
em. lat. 
Hab. Inter Santa Cruz et Villa Maria florebat mens. Dec. (N. 851a.) [Matto 
Grosso. | 
PANICUM (§BRACHIARIA) FURCELLATUM (sp. nov.) (Tab. XXXIV. figg. 14-22); culmo 
erecto, gracili, striato, deorsum genieulato ; foliorum vaginis amplis, crebre nervosis, 
plus minusve (preesertim superne) pilosis vel piloso-villosulis, ceteroquin puberulis, 
nonnunquam prorsus pilis strigosis appressis subdense munitis; ligulà brevissimá» 
truncatá, membranaceá, apice albido-ciliatá; laminà anguste lineari acuminata, 
margine (imprimis inferne) plus minus albido-ciliatà, nonnunquam fere glabra; 
paniculá a basi bifurcá ; spicis subzequalibus, spicà inferiore sessili vel subsessili, 
superiore pedunculatá, rarius subsessili; axe subtriquetro, puberulo; spice axibus 
ancipitibus, marginibus seepe breviter ciliolatis, anfractis, basi appresse hirsuto- 
pilosis; spiculis sessilibus vel breviter pedunculatis, distichis, secundis laxiuscule 
imbricatis, alternis ovatis obtusis, obsolete puberulis; glumá I. anticá, spiculam Žž 
sequante, oblongà obtusa, 3-nervi, concavá, subplanà ; glumá II. quam I. longiore, 
ovato-oblongá acuta, 5-nervi, concava; glumá ILI. glumam IT. æquante eique subcon- 
formi, 5-nervi, cassá ; valvulis ovato-oblongis acutis, glumá III. paullo brevioribus, 
inferiore semiterete, 3-nervi, superiore dorso excavatá 2-nervi. 
Hab. Crescit ad Santa Cruz, ubi spicas profert mens. Dec. (N. 763.) 
Culmus ad 50:0 cm. alt., usque ad O'l cm. diam., dilute virens, nodis pubescentibus. 
Vaginz compress, apice truncate, intus puberulz, explanatee 0'4 em. lat. Ligula 
brunea, pilis albis 0-3 em. long. instructa. Foliorum lamina ad 26:0 em. long., 
0-1 em. lat., lateraliter compressa, in sicco dilute virescens. Spice 4:0-5:5 cm. long., 
025 em. lat. suberectes, a basi divergentes, pedunculo spice superioris vix usque 
2:0. em. long. Spicule 0:4-0'45 cm. long. albidee; pedunculus complanatus, 
vix ad 0:2 cm. long., axi appressus, puberulus, ipsá sub spiculà leviter incrassatus. 
Gluma I. 0:3 em. long., gluma IL. 0-4 em. long. Valvulee scabree, inferior 0:4 em. 
long. 0-15 em. lat. amb:e firme. - Squamule 0:04 cm. et antherze 0:25 cm. long. 
"Ovarium anceps, ambitu oblongum. : Stigma bruneo-violaceum, circa 0:1 em. long. 
Species singularis, habitum Paspali simulans, forsan prope P. plantagineum, Lànn., 
inserenda, sed facile distinguenda, imprimis foliis toto ccelo disparibus, spicis bifurcis, 
gluma inferiore (anticá nec postich) spiculam fere'sequante. [ Bras. Or., Goyaz. | 
This grass is treacherously like Paspalum tropicum, Doell, and P. Neesii, pe ., SO 
much so that dissection is necessary in order to distinguish it. 
PANICUM CHLOROTICUM, Nees, in Trin. Diss. ii. p. 236. Var. AGRESTE. ; 
Hab. Crescit in- ripá fl. Paraguay juxta Santa Cruz, mens. Oct. florens. (N. 504.) 
[ Bras. Or., Amazonia, Guiana.] 
PANICUM POLYGAMUM, Sw. Prod. Fl. Ind. Occ. p. 24. (P. maximum, Jacq.) 
« Hab. Coimbrá, mens, Feb. florens, (N. 1070.) [Amer. Austr. Trop. et Subtrop. ; 
Ind. Occ.] bu v z wot. = 
SECOND SERIES.—BOTANY, VOL. IV. dU 
