554 MONOCOTYLEDONEJE. ANDROPOGON. 
n. 934, Steud. Synops. 1, p. 396; A. Peninsulæ Steud. 1. c. ; A. zeyla- 
nicus Steud. 1. e. p. 397; Rhaphis zeylanica Nees! ap. Steud. l. e. ; 
Chrysopogon Arnottianus Nees ap. Steud. 1. c. p. 396; Ch. zeylanicus 
Thwait. Enum. pl. Zeyl. p. 366. 
Innovationes extravaginales. Culmi 60—100 cm. alti, erecti, sim- 
plices, compressiusculi, glaberrimi. Vaginæ inferiores dense aggre- 
gatæ, flabellatæ, equitantes, carinatæ, complanatæ, a culmo distantes, 
superiores compressiusculæ, carinatæ, arctæ, omnes modo glaber- 
rimæ, modo hirtulæ. Laminæ e basi æquilata in vaginam sensim 
abeunte lineares, acutæ, mediæ 20—35 cm. longæ, 3—4 mm. latæ, 
(summa brevi) utrinque e tuberculis hirtulæ v. aculeolato-scaber- 
rimæ, basi ciliatze, virides, costa nervisque ut in A. Gryllo. Panicula 
12—18 em. longa, ovato-oblonga, laxa, erecta, longiuscule exserta, 
rhachi angulis scabra v. hirtula, ramis 6—10" inzequalibus patulis, 
scaberulis v. hirtulis, longioribus panicula plus duplo brevioribus, 
spiculas 9 2, brevioribus unam gerentibus, in speciminibus macris 
omnibus unispieulatis, cum spicula oblique articulatis, post delapsam 
spieulam cicatricem ovatam rufo-eiliatam exhibentibus. Spieule 8 
cum callo recto acutiusculo 1 mm. longo postice et ad latera barba 
densa rufa spicula 3—4-plo breviori vestito 7 mm. longe, lineares, 
sordide violascentes, raro pallidze: gluma I™ coriacea, anguste invo- 
- luta, sursum parum angustata, apice brevissime hyalino anguste 
truncatula, integra, in '/, superiore seriebus 2 lateralibus aculeorum 
obsita, praterea infra apicem setulis hispida et punctulato-scaberula, 
enervis, II**» non amplectens ; II^ ut in A. Gryllo, nisi magis mem- 
branacea, apice obtuse biloba, inter lobos minute mucronata ; IP '/, 
brevior, lineari-oblonga, obtusa, retrorsum ciliata, enervis ; IV» IH” 
$&quans, linearis, subintegra, glabra; arista 25— 30 mm. longa, 
columna fulvo-hispidula. Palea 0. Antherz 4 mm. longæ. Pedicelli et, 
ubi racemi 2-spiculati, articulus inter spiculas spieulä 8 !/,—'/, bre- 
viores, lineares, marginibus pilis rufis rigidulis pedicello */,—2-plo 
brevioribus ciliati. Spiculee pedicellat 5, sessiles fere duplo super- 
antes (12—13 mm. longa), lineari-lanceolatze, longe acuminatæ, mu- 
tice: gluma I^ 5-nervis, carinis setulosa, II“ 3-nervis, cum III: et 
IV* ciliata. 
Peninsula Indie or. (Wall. 8785 A; Wight h. pr. 188 A, forma 
spiculis pallidioribus); montes Nilagiri (Hohenack. 934, Perrottet 
1323); Ceylon in montibus interioribus (Thwait. 996). 
CS 
A 
