ANDROPOGON. ANDROPOGONER (AUCT. EDUARDO HACKEL). 365 
— A. fragilis R. Brown Prodr. p. 202; Benth. Fl. Austral. 7, p. 535; 
Pollinia fragilis Spreng. Syst. 1, p. 289. — Genuino robustior. 
Lamin® 6—9 cm. long, circ. 3 mm. late, sepe complicate. Spatha 
propria 2,5—3,5 cm.longa, lanceolata, complanata, pedunculo demum 
'/,—!/, brevior; racemi 2,5—3,5 cm. longi; articuli quam spicula 
sessilis crassiores ; pedicelli elavati; spicule sessiles 5 mm. longa; 
gluma I" chartaceo-coriacea, convexa, dorso punctato-scaberrima, 
callo pilis gluma 6—8-plo brevioribus barbato. Aristze columna subu- 
lam subaquans. 
Australia borealis et Queensland (F. Muell., Schultz, ete.). 
Obs. 1. Schizachyrium paradoxum Büse Pl. Jungh. 1, p. 359, a me 
non visum, in Sumatra a Junghuhnio lectum, ex descriptione videtur 
A. brevifolii var. mutica. 
2. A. exilis (Hochst. in Flora 1844, p. 241 ampl.); culmo erecto, 
laminis acutis, racemis gracilibus v. erassiusculis, interrupte pilosis ; 
spicule sessilis gluma I= binervi, in '/,—?/, dorsi dense pilosa, 
bidentata. —— 
Culmi graciles, fere a basi florifero-ramosi, lwvissimi. Laminæ 
ime 1—3 em. longz, 3 mm. lat®, mediæ 2—15 cm. longs, vix 2 mm. 
latze, superiores sensim breviores, omnes sensim angustatze, flaccidze, 
virides, mox rubescentes, glabr& v. pilis parcis adspers®, margine et 
ssepius supra scabræ. Rami floriferi bini—4^, primarii saepius 2—3- 
nodes, secundarios binos breves gerentes, ramis ramulisque plerumque 
stricte erectis raro subnutantibus, gracillimis, glaberrimis, non fasti- 
giatis. Spathe proprie lineari-lanceolat®, acutiuscule, 3—4 cm. 
long®, glabre, carinatze, demum plus minus complanat®. Racemi 
2—4 cm. longi, crassiusculi, 8—12-artieulati; articuli spiculam 
sessilem subsequantes, crassi, appendice subintegro, dorso a basi ad 
i/a V- ?/, usque sericeo-pilosi, basi fasciculo pilorum ipsis 3-plo breviori 
stipati. Spicule sessiles 7 mm. longe, lineari-lanceolatz, demum 
rufescentes; gluma I"* coriacea, subulato-lanceolata, in acumen 
longum bidentulum sensim producta, marginibus late arcteque impli- 
catis, præter nervos carinales subenervis, dorso a basi ad */, usque 
pilis longiusculis sericeis dense vestita, callo pilis copiosis gluma 4—5- 
plo brevioribus barbato, intus epidermide rufa facile solubili induta ; 
II“ lineari-lanceolata, mueronulato-acuminata, l-nervis, glabra; IV* 
ad '/, usque fissa. Ariste 13—17 mm. longe columna subulam 
zquans. Anthere 2 mm. longs. Pedicellus spieulam sessilem sub- 
æquans, medio dilatatus, infra spieulam angustatus, dorso longe pilo- 
