632 MONOCOTYLEDONEA. ANDROPOGON. 
*" Racemorum pedunculi speciales valde inzquales, alter brevissimus v. subnullus, alter 
3—20 mm. longus, puberulus v. glaber (nec setosus), neuter epinastieus v. pulvini- 
formis; racemi semper erecti (n. 176—184). 
+ Spicule 8 gluma I»* subito in rostrum herbaceum a reliqua gluma coriacea distinctissimum producta, 
PEF 
176. A. exothecus. Anthistiria abyssinica Hochstett. in Schimp. 
pl. Abyss. n. 407; A. Rich. Tent. Fl. Abyss. 2, p. 449; Exotheca 
abyssinica J. N. Andersson in Nov. aet. Soc. Upsal. 2, p. 253, t. 3 
(« Exotheca »). 
Perennis, dense czespitosus, innovationibus intravaginalibus. Culmi 
erecti, 60—90 cm. alti, subgraeiles, 4—5-nodes, subcompressi, 
glaberrimi, superne breviter nudi, e nodis 1—2 penultimis ramos 
floriferos solitarios v. binos elongatos simplices agentes. Vaginse sub- 
compress®, carinatz, arctz, glaberrimæ, summa subdilatata, lami- 
nam brevissimam ferens. Ligula longissima (1—2 cm. longa), lineari- 
oblonga, obtusa, ad latera in vaginam decurrentia herbacea et 
nervosa, medio membranacea. Lamin® e basi subangustata vaginä 
multo angustiore lineares, longissime setaceo-acuminat®, 30—40 cm. 
longs, 2—5 mm. latz, (innovationum multo breviores), vernatione 
conduplieatz, adultze plans: v. canalieulatz v. innovationum compli- 
cate, erectz, rigide, glaucescentes, glaberrims v. raro basi pilis 
paucis fimbriate, superne margineque scabr&; costa media basi 
crassa multinervi medullosa supra late albolineata, nervis lateralibus 
utrinque 3"* supra prominentibus. Peduncolus pinum filiformis, 
rectus, scaber,e vagina summa (non spathif exsertus ; 
racemorum alter pedunculo speciali 1,5 mm., alter 15—25 mm. longo 
recto scabro glabro fultus, uterque spicularum paribus homogamis 
masculis 2 sibi arcte approximatis, involucrum formantibus, parique 
heterogamo unico cum spicula terminali c? ternionem efficiente 
formatus (ut in Themedis). Spieula 8 articulo brevissimo glabro 
obliquissime disjungenti insidens, eum callo 4 mm. longo curvu 
pungente circumcirca dense aureo-rufo-barbato 14—15 mm. longa, 
linearis, subeylindrica, demum brunnea: gluma I" rostro lineari 
virescenti-membranaceo nervoso apice obtuso inzqualiter bidentato, - 
dorso convexula, glabra v. rufo-pubescens, 5—7-nervis, nervis 
costas obtusas efficientibus, inter costas sulcata; II? paullo brevior, 
coriacea, in '/, superiore constricta, dein membranaceo-dilatata | 
