ANDROPOGON.  ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 381 
(Sehaffn. 143, 268 [spiculis pedicellatis hebetatis]), Orizaba (Bourg. 
2157). 
5° Articuli pedieellique utroque margine acerescendo -ciliati. et sessilis gluma I=* glabra. 
Spieula oque neutra, biglumis, parva (n. 1 ). 
* Spienle sessilis gluma Ima loco nervi medii sulco profundo exarata. — Vagins teretes 
v. snperne obsolete carinat®. Lamins e basi sensim angustata lineares (18). 
18. A. Alopecurus;Heterochloa Alopecurus Desv. Opusc. p. 66, 
t. 5, f. 3 (mala); And. peduneularis Baker Fl. Maur. p. 444 non 
Kunth. Enum. 1, p. 509, qui, Pollinie monandr& Spreng. innixus, ad 
Pogonatherum saccharoidotn Beauv. spectat; A. caricosus Trin. in 
sched. h. berol. non L., in Trinii operibus neglectus. 
Innovationes extravaginales. Culmi graciles, 30—40 em. alti, tere- 
tiuseuli, e nodis 1—2 superioribus ramos floriferos breves simplices 
agentes, raro simplices. Vaginz glaberrim:e, elevato-costate. Ligula 
oblonga, 2—3 cm. longa, obtusiuseula, glabra, lateribus fusco-membra- 
naceis nervosis in vaginam decurrentibus. Lamin:e anguste lineares, 
15—20 em. longe, 1,5—2 mm. late, setaceo-acuminatz, vernatione 
eonvolutze, adulte plans, flaccidulze, virides, subtus minute hirtul&, 
supra ad nervos elevatos marginesque aculeolato-scaberrimz, costa 
media subtus prominula, supra latiuscule albo-lineata intus paren- 
chymate ineolori repleta munitz, nervis lateralibus paucis sibi 
approximatis supra prominentibus percurs®. Spathze proprie 4—5 em. 
longe, superne dilatatze, obtuss v. laminz rudimento mucronat®, 
culum apice parce barbatum 2—3-plo superantes. Racemi gra- 
ciles, 4—6,5 em. longi, flavescenti-virentes, parce pilosi, inferne 
vaginati; rhacheos rectæ articuli spicula sessili */, breviores, lineari- 
clavati, subgraciles (apice eire. 0,7 mm. lati), spieulá tenuiores, apice 
obsolete cupulato insqualiter bidentati, dorso glaberrimi, utroque 
margine a basi fere ad apicem usque pilis IETUDCUlIS v. — 
accrescentibus, summis articulo '/, brevi ppendiei 
desinentibus ciliati, ima basi pilis parcis stipati. Spicule sessiles 
lineari-oblongz, 6 mm. longze, pallide virescentes: gluma I” charta- 
cea, oblonga, obtusa, subintegra v. emarginata, a '/, parum attenuata, 
marginibus insequaliter implieatis non nisi superne carinatis scabris- 
que, manifeste 6—7-nervis, dorso levis, callo pilis gluma 4-plo bre- 
vioribus stipato; II® I» zquans, elliptico-lanceolata, acutiuseula, 
carina superne scabra, nervis 2 submarginalibus obsoletis aucta, 
