590 ; MONOCOTYLEDONEÆ. | ANDROPOGON. 
breviores. Spieule 8 cum callo 2 mm. longo antice glabro, lateribus 
breviter albo-v. subfulvo-barbato 7 mm. longs: gluma I"* lineari- 
oblonga, truncatula, marginibus involuta, 6-nervis, loco nervi medii 
sulco exarata, toto dorso albo-hirtula; II^ P= zequans, lineari- 
oblonga, obtusiuseula, obtuse carinata, l-nervis, glabra; HI '/, bre- 
vior, ovato-oblonga, enervis, apice ciliata; IV** arista valida 4—5 cm. 
longa, eolumna rufescente albo-hirtula supra medium geniculata 
subulam fulvam tertia—dimidia parte superante. Palea glumä II 
duplo brevior, linearis, ciliata. Antherze 1—1,2 mm. longe, evolutæ. 
Caryopsis obovato-lineari-oblonga utrinque subconvexa. Spiculæ pedi- 
cellate c? 10 mm. longs, oblique lanceolat®, parum tortz, e viridi 
et rufescente variegat&, glaberrimze v. apice pilis nonnullis mollibus 
adspersz, pedicellis quam articuli paullo brevioribus fultze : gluma P^ 
- acuta, marginibus anguste carinato-implicata, carina altera latiuscule 
membranaceo-alata, 9-nervis; II“ parum brevior, lineari-lanceolata, 
acutissima, 3-nervis, marginibus inflexis ciliatis; III* et IV* adhuc 
breviores, lineari-oblong&, enerves, ciliate. Anther& 3 mm. long. 
Spiculæ sessiles parium homogamorum angustiores, gluma I= obtu- 
siuseula, utrinque zequaliter angusto-alata. 
Paraguay: in planitie pr. Paraguari, (Balansa 222 et 2982); prope 
Itape (id. n. 222°). 
$2. Ligula e duabus seriebus inzequalibus pilorum formata. Aristze 
columna secus spiras eleganter barbata. Callus spieule 8 acutus 
(148 
148. A. bellariensis Hack. in Flora 1885, p. 123. 
Culmi ultra 50 em. alti, geniculato-ascendentes, teretiusculi, 
glaberrimi, e nodis 1—2 superioribus ramos floriferos solitarios breves 
agentes, ad apicem usque vaginati. Vaginz teretes, arcte, glaberri- 
ms. Lamine e basi æquilata a vagina parum distincta anguste 
lineares, setaceo-aeuminatz, cire. 20 cm. longs et 3 mm. late, 
plane, siccando convolut&, virides, rigidze, subtus margineque lzevis- 
simz, supra minute puberule, costa media tenuissima l-nervi non 
carinata a nervis lateralibus non prominulis vix distineta. Racemi 
vagina summa spathiformi primo omnino, demum basi tantum inclusi, 
5—6 cm. longi, graciliores, recti, subcompressi, flnvido-vireoconte 
extus glabrescentes; spicularum paria homogama g 2—4, arti 
inter hzc breviter ciliati apice barbulati, inter heterogama spieulä E 
