468 MONOCOTYLEDONEJE. ANDROPOGON. 
longis gracilibus glabriusculis, articulis paree ciliatis, ciliis articulo 
duplo brevioribus. 
Culmi geniculato-ascendentes, 12—20 em. alti, graciles, ex omnibus 
fere nodis ramos floriferos agentes, quorum superiores subfastigiati. 
Vaginæ apice a culmo solut&, glabr& v. superne pilis adspers&. Ligula 
glabra. Lamin:e e basi subangustata lineares, plane, 5—12 cm. longe, 
2—3 mm. late, longe acuminat®, utrinque pilis basi tubereulatis 
adspers®, scaberul®, costa media crassiuscula supra manifeste albo- 
lineata, nervis lateralibus vix prominulis. Racemi a vagina summa 
parum remoti v. ima basi vaginati, virides ; articuli pedicellique spicula 
sessili '/,—duplo breviores, lineari-subelavati, tenues, apice obsolete v. 
minime eupulati, rectiuseule disjungentes. Spicule sessiles oblongo- 
lanceolatz:e, 5—6 mm. longs, rectze, virides v. apice leviter violascen- 
tes : gluma I^ acutiuscula, subintegra v. bimueronulata, marginibus 
anguste implicata, carinis scabris, exalatis, dorso glabra, lzevis, nervo 
medio nullo, praeter nervos carinales utrinque plus minus distincte 
binervis, callo brevissimo breviter pilosulo ; I“ r= zequans, lanceo- 
lato-navicularis ; IV* II^ zequans, oblonga, fere ad '/, usque bifida, 
laciniis lanceolato-triangularibus ciliatis, 3-nervis, ad ariste ortum 
gibba ; arista 12—18 mm. longa, glabra; antherz 2,5 mm. longs. 
Stigmata late plumosa, atropurpurea. Spicule pedicellatz sessiles 
zequantes, lanceolate, d' v. 8 : gluma I" acuta, ex apicis altero 
dente in aristam dimidiam glumam :equantem producta, multinervis, 
glabra, carinis scabra ; II^ 3-nervis, ciliata, brevius aristata ; III* '/; 
brevior, oblonga, ciliata, enervis; IV* III* z:quans, emarginata v. 
biloba, inter lobos mucronata. Antherz 2 mm. longs ; pistillum modo 
effoetum modo evolutum. 
Abyssinia, in rupibus prope Dschenausa (Schimp. 850 un. it.). 
** Racemorum uterque pedicello 10—15 mm. longo parce piloso fultus (sine spicula in axilla). 
Lamins rigidz, siceando convolute. Arista glumæ IId2 in spicula sessili patula (n. 83). 
83. A. longipes Hack. in Flora 1885, p. 138. 
Culmi basi deeumbentes, dein ascendentes, 30—40 cm. alti, simpli- 
ces, graciles. Vaginz superne pilis basi tubereulatis hirtulz, interno- 
diis plerumque breviores. Ligula brevissima, rotundato-truncata, pilis 
stipata. Lamins e basi æquilata lineares, 10—15 em. longz, 1,5—3 
mm. late, acuminatze, virides, pilis basi bulbosis hirsutze, costa media 
crassiuscula supra albo-lineata, nervis lateralibus vix prominulis. 
Racemi 6—7 cm. longi, densiflori : articuli lineari-subelavati, spicula 
