636 MONOCOTYLEDONEX. ANDROPOGON., 
culum communem superne laxe et tenuissime barbatum (pilis basi non 
papillosis) primo superantes, demum æquantes. Racemi brevissimi, 
6—8 mm. longi (demtis aristis), quorum alter pedunculo 5—7 mm. 
longo glaberrimo filiformi fultus, uterque spicularum pari homogamo 
uno, heterogamo uno; articulus infra spiculam 8 brevissimus, oblique 
sejungens, glaber; pedicelli 2,5 mm. longi, filiformes, albo-ciliati. 
Spiculæ 8 cum callo 2 mm. longo 5—5,5 mm. longe: gluma P™ 
7-nervis, nervis infra medium evanescentibus extus prominulis, 
glabra, margine superne scabra, exsulca ; II^ marginibus implicatis 
tenuissime ciliata; IV“ arista 42 mm. longa, columna pilis fulvis 
4 mm. longis induta. Anthere 1 mm. longs. Spicule pedicellatze 
superiores neutre, 4 mm. longs, sordide violascentes, biglumes ; 
gluma I"* 5-nervis, glabra, breviter aristulata, II?» 3-nervis, retrorsum 
ciliata. Paris homogami spicule lineari-oblonge obtusiuscule, d', 
sordide rubentes, cum glumis IIP et IV* linearibus ciliatis, altera 
pedicello 1,5 mm. longo glabriuseulo fulta. 
Africa trop. oec. ad fl. Quorra (Barter in exped. Baikieana sine nr. 
in h. berol.). 
180. A. familiaris Steud.! Synops. 1, p. 385; panicula ramis 
arcuato-patentibus v. nutantibus; racemis singulis spieulas 8 plerum- 
que 3—4 glabras continentibus; ariste columna breviter hirta; 
culmo inferne simplici. 
Perennis? Culmi 50 em. alti altioresve, graciles. Vaginze glaberrime. 
Laminz cire. 20 em. long&, 3 mm. latæ, utrinque leviuscule, mar- 
gine scabr&. Panicula laxa, ramis gracilibus binis—ternis uninodibus 
v. binodibus ad nodos sepe barbatis. Spathze propri& lineari-lanceo- 
late, acuminat®, 7—8 em. longs, sordide fuscescentes, herbaceo- 
membranaces, glabre, peduneulum communem apice villis gilves- 
centibus basi papillosis barbatum primo superantes, demum zequantes. 
Racemi 2—2,5 em. longi, graciles, quorum alter pedunculo speciali 4— 
5 mm. longo glabro v. pilis adsperso fultus, paribus homogamis c 
sepe duobus munitus, alter pari uno stipatus, pedicellulo minuto 
subepinastico villosulo insidens; rhaeheos artieuli pedicellique lineari- 
filiformes, 3 mm. longi, distiche albo-ciliati. Spicule 9 cum callo 
2 mm. longo 7,5 mm. longz:e; gluma I»: tenuiter 7—9-nervis, nervis 
pereurrentibus, glabra, dorso marginibusque superne scabra; 
exsulea ; II“ glabra; IV** arista 5—6 em. longa, columna rufo-hirta ; - 
ariste cujusque racemi v. racemorum paris inter se contortze. Spiculæ — — 
. pedicellatze 7 mm. long, acutze ; gluma Ir glabra, breviter mucro- — 
nata, in pari homogamo mutica. 
