POLLINIA. ANDROPOGONEÆ (AUCT. EDUARDO HACKEL). 153 
flavida instructam exserens. Stamina 3. Spiculæ pedicellatæ cum 
sessilibus omnino conformes. (Spec. 1—16.) 
A. Gluma ITla aristata, arista gluma paullo brevior vel 2 —6-plo longior. — 
Culmi erecti, graciles, plurinodes, teretes, glaberrimi, nitidi, superne 
breviter nudi. Vaginz teretes (superne interdum subcarinatz), arctæ, 
nodisque glaberrimze, internodiis breviores, costat®. Lamin® anguste 
lineares, sensim in acumen setaceum attenuatm, siccando liben 
complicate, rigidule, erectæ, virides, summa non abbreviata. (Spec. 
a. Spicul: spadice® v. atro-fuseze. — Annus. Ligulæ loco series ciliorum bre- 
vissimorum basi subcohserentium. Lamina costa media crassiuscula 
p 
tantum prominulis, omnibus valde confertis percursa. Ra 
dense digitato- v. fasciculato-conferti, secus rhacheos communis glabrse 
nodos parum (2—4 mm.) distantes solitarii v. oppositi rarissime qua- 
terni, subsessiles (pedicellulo gibbiformi fulti), simplices v. a basi divisi, 
suberecti, strieti. Gluma IId} chartacea, obtusa, 1 nervis, margine non 
hyalino glabra, aristà spicula 2-pluries longiori terminata; IVa linearis, 
glabra, ex ipso apice aristam validiusculam emittens. Palea nulla. Lodi- 
cule glabrz. 
1. P. articulata (Trin. in Mém. Ac. Petersb., ser. 6, vol, 4, p. 90, 
ampl.); spieulis albo-pilosis callo obtusiusculo, arista glumæ IV’ 
1—2 em. longa secus spiras breviter ciliolata. — Benth. Fl. austr. 
7, p. 525. 
Culmi 20—100 em. alti. Lamin® e basi subdilatata a vagina vix 
distincta anguste lineares, 10—30 em. longe, 1—5 mm. (explicata) 
lat, subtus glaberrimæ, supra plus minus scabre, basi interdum 
pilos®, margine scabrze. Racemi graciles, 3—8 cm. longi, albo-sericeo- 
pilosi, spadicescentes. Spiculze lanceolatz, 2,5 mm. longi, spadiceæ, 
callo 0,4 mm. longo barba spieulä 3-plo breviori eincto; gluma IT" 
chartacea, apice membranaceo obtusiuseulo (v. anguste truncatulo) 
acute bidentula, marginibus anguste inflexa, flexuris saltem a medio . 
pilis albis mollibus subereetis biseriatis (altera serie intus, altera 
extus vergente) ciliatis, inter carinas plerumque plus minus depressa - 
ibique inferne sæpius pilosula, przeter carinas enervis, nitens; JF. 
ovato-lanceolata, carinata, juxta carinam sæpe pilosula; II quam 
I= duplo brevior, ovata, obtusa, enervis, glabra; IV* quam II? paullo 
