648 MONOCOTYLEDONEJE. ANDROPOGON. 
insignia, africana. — Species dus hueusque notæ valde affines, multa 
habentes communia: Culmi teretes, glaberrimi, fere ad apicem usque 
foliati. Vaginz teretes, arctæ, striate, summa spathiformis aphylla 
v. laminam brevem ferens. Racemi pedunculo communi e spatha plus 
minus exserto raro eá incluso stricto glaberrimo insidentes, quorum 
alter pedunculo speciali brevissimo, alter 5—6 mm. longo fultus, 
pedunculis non epinastieis glabris, robusti, erecti; rhacheos articuli 
inter paria homogama lineares, glaberrimi, dorso convexuli, apice 
cupuliformes, inter paria heterogama (3—6 in quoque racemo) lineari- 
elavati, crassi, oblique disjungentes, disjuncti apice appendicem 
urceoliformem insequaliter dentatum glabrum exhibentes, prster 
cupulam albo-eiliati. Spieule 8 cum callo pungente curvulo dense 
albo-sericeo-barbato 4—5 mm. longo 12 mm. long&, obovato-oblong®, 
a latere subeompresse, inter masculas majores suboccultz, pallide 
virescentes : gluma I= coriacea, apice hyalina, marginibus latissime 
sed laxe inflexa, inter flexuras subdepressa, præter nervos flexurales 
enervis v. 1-nervis; II^ T» zequans, chartacea, apice hyalina, dorso 
rotundata, marginibus involutis hyalinis ciliata; III* brevior, obovato- 
oblonga, obtusa, subbinervis, marginibus implicatis ciliata ; IV* quam 
II !/, brevior, basi hyalina, mox incrassata, 3-nervis, apice bifida, ex 
fissura aristam emittens validissimam subconcolorem, columná fulvo- 
hirtulä medio flexuosá subulam rectam »quante v. superante. Palea 
glumá II“ 2-plo brevior, enervis, ciliata. Anthere 4—5 mm. longs. 
Stigmata lineari-oblonga, stylis duplo longiora. Spicule 5 sessiles 
hermaphroditis similes, 10 mm. long&, sed muticze, callo nudo; pedi- 
cellatze pedicellis articulos zequantibus linearibus planis apice obsolete 
cupulatis utrinque albo-ciliatis insidentes, fere 20 mm. longs, 4—5 
mm. late, subeonvolutze, glabrz : gluma I™ herbacea carinis margi- 
nalibus inæqualiter scarioso-alata, nervis quam 30 pluribus, lævis; Hu 
r ceolata, acuta, 5—7-nervis, ciliolata ; INe '/, brevior, 
láneeolato-oblonga, 3-nervis, marginibus implieatis ciliata ; IV* bre- 
vior et angustior, l-nervis, glabra; palea duplo brevior, linearis, 
enervis, glabra. 
Sectio hze est velut Heteropogon racemis geminis, sed etiam 
Hyparrheniis ex affinitate A. coleotrichi cognata est. 
192. A. grandiflorus (Hack. in Flora 1885, p. 127); culmo sim- 
plici, vaginis glaberrimis, spieularum paribus homogamis 7—9, 
spieule 2 gluma I^ glaberrima. 
Culmi erecti, arundinacei. Ligula....... ; laming........ ; Spatha 
