596 MONOCOTYLEDONEE. ANDROPOGON. 
acuminatæ, acumine sæpe circinnato, rigidæ, glaucæ, glabræ, læves 
v. scaberulæ, costa media saltem inferne plus minus crassa, interdum 
crassissima, nervis lateralibus non ita crebris subprominulis. Paniculæ 
8—30 em. longæ densiusculæ v. laxiusculæ linearis rami primarii 
1—6-nodes, secundarios basilares binos—4^**, 1—3-nodes, filiformes, 
demum sæpe arcuato-patentes, simplices v. ramulosos gignentes, 
omnes ad nodulos glabros sæpissime geniculati, infra nodos ciliati. 
Spathæ propriæ 2,5—3 cm. longæ, lineari-lanceolatæ, rufo-viridulæ, 
pedunculum communem apice barbatum 2—3-plo superantes, race- 
mum sspe sequantes. Racemi 1,8—2,2 em. longi, 6—7-articulati ; 
articuli pedicellique spicula 8 dimidia longiores, plus minus dense 
sericeo-villosi, villis summis articulo longioribus, spiculas fere obte- 
gentibus, apice minus distincte appendiculati. Spiculae 8 5—7 mm. 
long&, pallide: gluma I" longe acuminata integra v. bidentula, 
carinis distincte marginatis laevibus, dorso plano glabra, callo pilis 
glumá 3-plo brevioribus barbato ; IV** arista 12—20 mm. longa spiculà 
subtriplo — 4-plo brevior, columná fuscá, quam subula pallida '/, bre- 
viore. Spiculæ pedicellate neutra, 4—4,5 mm. longs, subulato- 
lanceolatze, ad glumas TP" 5-nervem, II*» que illa triplo breviorem 
redaetz. — Odore terebinthino, acerbo. 
a, genuinus; laminis planis raro subconvolutis 3—4 mm. latis; 
panicula decomposita, arista spiculà 8 5 mm. longa 4-plo longiore. 
— A. exaltatus Brown s. str. — Culmi ultra 1 m. alti; laminarum 
costa media basi tantum crassiuscula v. crassa, superne mox teneras- 
cens; nervi primarii utrinque 3—5. Panicula 30—45 cm. longa, ramis 
primariis 3—6-nodibus, secundariis binis—quaternis 2—3-nodibus 
tertianos gignentibus. 
Australia borealis (Brown); ad Aria Dampieri (Neumann, 
alii), Queensland ad Rockingham Bay (Muell.). 
B, lanatus ; laminis ut in a, semper planis, panicula subcomposita, 
arista spiculä 8 6—7 mm. longà subtriplo longiore. — A. lanatus 
R. Brown! l. c., a var. genuina vix varietatis numero distinetus! — 
Culmi 80—100 em. alti, panieula brevior, ramulis secundariis brevi- 
bus simplicibus. Articuli, pedicelli, spiculæ callus adhuc densius 
villosi quam in x. — Spicularum par imum etiam in racemo brevi- 
pedicellato sepe homogamum. 
Australia bor. in insulis secus litus (Brown); Austr. occid. ad Swan 
River (Drummond 100 ad y vergens), Queensland (ex Benth.). 
Y, ambiguus ; laminis junceis 0,8—1 mm. latis siccis convolutis ; 
panicula simplici, arista quam spicula 5 mm. longa subtriplo longiore. 
