480 MONOCOTYLEDONEER. ANDROPOGON. 
basi plerumque longe fimbriatæ, ceterum glabræ v. pilosæ, costa 
media tenui v. crassiuscula, nervis utin A. Ischæmo. Racemi digitato- 
fasciculati, ad rhacheos communis glaberrimæ nodos bini-quaterni, 
simplices v. basi divisi, pedunculis in axilla breviter barbatis fulti, 
pilosi; rhacheos fragilis articuli pedicellique spiculæ sessilis medium 
superantes, accrescendo-ciliati, ciliis summis articulum æquantibus 
v. subsuperantibus. Spiculæ sessiles 3,5—5 mm. longæ, lanceolato- 
oblongæ : gluma I^* a medio v. superius angustata, apice vix hyalino 
anguste v. angustissime truncata, hinc obtusiuscula et carinis sub- 
excurrentibus sæpe emarginata, marginibus angustissime implicata, 
carinis superne rigide v. subspinuloso-ciliatis, tenuissime 5—9-nervis 
(raro 4-nervis), nervo medio supra foveolam, reliquis infra apicem 
evanescentibus, basi quoque obsoletis, callo sepius longiuscule bar- 
bato; IE* [= æquans, obtusiuseula v. acutiuscula, 3-nervis, carinata, 
marginibus implicatis glabra v. ciliolata; II quam Ir: */, brevior, 
lineari-oblonga, obtusa, enervis, glabra; IV* III?» æquans; arista dis- 
color, columna plus minus distincte geniculata scaberula subulam 
circiter zequante. Palea minutula v. 0; antherz 1,6 mm. longe; stig- 
mata stylis duplo longiora. Spiculæ pedicellatee sessiles zequantes, iis 
simillimz licet subangustiores, 5 v. raro neutre: gluma I™ obtusa 
v. acutiuscula, manifeste 7—13-nervis, carinis a basi ad apicem rigide 
ciliolatis; II^ lanceolata, haud carinata, 3—5-nervis, acuta, margini- 
bus implicatis, eiliolatis; II ut in spieulis 8, IV* linearis, brevis v. 
obsoleta, anther& 1,5 mm. longze, raro 0. 
a. Varietates spieulis pedicellatis masculis v. rarissime neutris, tum triglumibus. 
* Spieule sessilis gluma Ima membranaceo-chartacea, in !/, inferiore dorsi pilis tenuibus 
erecto-patulis plus minus dense villosula, non nitens (1—3). 
a, genuinus; vaginis przter nodos sepe barbatos raro glabros 
glaberrimis ; laminis supra, marginibusque v. utrinque scabris; race- 
mis 3—9, rhachi communi 1—2 cm. longa. — Ic. Beauv. Agrost. 
t. 23, f. 2. — Culmi graciles, 30—70 em. alti; lamine 2—10 cm. 
longz, 2—5 mm. lat, przeter basin fimbriatam glabrz v. raro pilis 
adspers®, seabrz, raro leves. Rhachis communis 2—6-nodis, inter- 
nodiis inferioribus 4—6 mm. longis. Racemi pedunculis plerumque 
simplicibus 4—5 mm. longis fulti, 4—5 em. longi. Spieule 8 3,5— 
4 mm. longze, lanceolato-oblonge, pallidze : gluma I™ apice angustis- 
sime truncata, in */, superiore foveolata, callo pilis gluma 2—3-plo 
