498 MONOCOTYLEDONEA. ANDROPOGON. 
fusco-purpureá medio v. superius geniculatà subulam parum dilutius 
eoloratam squante. Palea 0. Anther® 1,5 mm. longs. Lodieule 
euneat& (ex Fourn. nulle). Spieul® pedicellatzv 3 mm. longe, lineari- 
oblongz, obtuse, ad glumam I: 5-nervem margine serrulato- 
scabram redactz. 
Habitat in Mexico. 
a, genuinus; spicule sessilis gluma I™ dorso glaberrima, in */, 
superiore foveolata. — Laminæ utrinque setosæ, setis basi tubercu- 
latis. Panicula lineari-oblonga. 
Orizaba (Fr. Müller 2016). 
B, Andree: spicula sessilis gluma I": in '/, inferiore dorsi appresse 
pilosa, sæpius efoveolata v. intermixtis spieulis aliquot foveolatis in 
eadem panicula. — Laminæ prseter basin fimbriatam glabr&. Pani- 
eula oblonga. 
S. Andrés (Liebmann 18 in h. Havn.). 
.. 101. A. erianthoides (F. Mueller! Fragm. 10, p. 75 ; Benth. Fl. 
Austr. 7, p. 529); spiculæ sessilis gluma IV* lineari, in '/, superiore 
bifida, e sinu aristam imperfectam exserente. 
Culmi robusti, 1 m. alti altioresve, erecti, teretiusculi, estriati, gla- 
berrimi, simplices v. foliifero-ramosi. Folia glauca, excepto margine 
laminarum ligulaque glaberrima : vaginæ teretiusculæ, arcte ; ligula 
oblonga, 3—4 mm. longa, obtusa, membranacea, fissa, ciliolata et 
dorso sepius pilosa. Laminz e basi subangustata lineares, setaceo- 
acuminatze, 25—40 em. long&, 5—8 mm. latze, plan, rigidulæ, costa 
media tenui v. erassiuseula non carinata, nervis lateralibus primariis 
subprominentibus. Racemi 3—4" digitati, approximati, pedunculis 
4—5 mm. longis crassiusculis superne barbatis in axillis glabris fulti, 
suberecti, crassi, dense sericeo-villosi, 7—8 em. longi; articuli spicula 
sessili '/, breviores, crassiuseuli, apice subdilatati, non solum margini- 
bus sed etiam dorso densissime longeque sericeo-villosi, villis summis 
articulum superantibus, anguste sulcati. Spieulze sessiles laná omnino 
occultze, lanceolato-oblong&, 7 mm. long, pallidze : gluma I" char- 
tacea, a medio angustata, apice hyalino angustissime truncata, mar- 
ginibus superne anguste implicata, carinis rigide ciliatis, manifeste 
9-nervis, dorso plano efoveolato a basi ad */, usque longe pilosa, callo 
villis densissimis glumam superantibus barbato; I“ P^ æquans, 
lanceolata, acuta, 3-nervis, carina scabra, marginibus hyalinis cilio- 
lata; III* parum brevior, oblonga, acutiuscula, enervis, glabra; IV* 
seeundá '/, brevior, pilosula, lobis 2 linearibus; arista jam in '/, infe- — 
