398 MONOCOTYLEDONEE. ANDROPOGON. 
lid, superne subcoloratz : gluma I” lineari-oblonga supra medium 
parum angustata, apice integro obtusiuscula, marginibus anguste 
inflexa, carinis aculeolato-scabris, prater nervos carinales enervis, 
dorso plano levis, callo 0,5—0,7 mm. longo glabro ; II^ I subze- 
quans, 1-nervis ; II: primá '/, brevior, acuta, 1-nervis, ciliolata ; IV* 
quam II fere duplo brevior, linearis, bidenticulata, mutica v. inter 
dentieulos mucronata. Lodiculæ ovario breviores; staminum rudi- 
menta 3, antheris minutissimis. Spiculæ pedicellatz sessiles aquantes, 
lanceolatz, intensius coloratz ; gluma I" acutissima, 3-nervis ; reli- 
qua ut in spicula sessili nisi gluma IV* integra, sine mucrone, sta- 
mina 3 perfecta, antheris 1,2 mm. longis. 
Var. (v. subvar.) a, genuinus (Hack. in Mart. et Eichl. Fl. bras. 
vol. 2, pars 3, p. 295) ; racemi spathas zequantes v. iis breviores, non 
exserti. 
B, inermis (Hack. 1. c. p. 296) ; racemi e spathis exserti, basi tan- 
tum vaginati. — Andropogon inermis Steud. Synops. 1, p. 390; 
Anatherum inerme Griseb. Cat. pl. Cub. p. 236. — Exstant formae 
intermedize ! 
. Inss. Cuba (Wright 3481 [var. a.] et 3480 [8]), Puerto Rico (Blau- 
ner); Venezuela (Funk 235 var p), Columbia ad fl. Meta (Karsten in 
h. Vind.) ; Guyana gallica (Leprieur), anglica (Schomb. 666), Brasilia 
(Burchell 4631, Glaziou 11672 ex p., 16586, 16587, Weddell 1837, 
alii cfr. Fl. bras. l. e.) ; Paraguay (Balansa 217). 
. 29. A. ceresizeformis (Nees! Fl. Afr. austr. p. 109); panicula 
simplice, spathis elliptico-navicularibus, articulis villosis, spiculis 
sessilibus 8 superne villosis. 
.Innovationes extravaginales, breves. Culmi graciles, 40—120 em. 
longi, latere ramigero applanati v. canaliculati, glaberrimi, inferne 
simplices, qute. a: ramis solitariis v. 2—4" brevibus erectis 
v. arcuato-p tenui ibus uninodibus v. primariis binodibus, 
infra geniculos | bechetis; in panieulam v. racemum simplicem 15—35 
em. longum linearem strictum collectis. Vaginz teretes, arctz, gla- 
bræ v. erispo-villosie, internodiis breviores. Ligula brevissima, rotun- 
data, truncata, fuscata, glabra. Laminz e basi subzquilata lineares, 
acuminatz, 5—8 cm. longw, 2—4 mm. lat, erecto-patulz, rigidæ, 
plane, virides, demum rubentes, ssepius (saltem basi) pilis erispatis 
consperse rarius glabrz, margine scabr&, ceterum lives v. supra 
scaberulee, costa media subtus parum prominula supra anguste albo- 
lineata munitze, nervis lateralibus subobsoletis. Spathze proprie 2—3 
