512 MONOCOTYLEDONER. ANDROPOGON. 
acutze, demum bicolores ; gluma I" preter i tpartem quartam 
superiorem glabra, II® glaberrima. 
Colitur in hortis Cattrorum. 
. & glaberrimus; panicula ovali-oblonga obtusa compacta, spiculis 9 
latissime ovato-elliptieis 5 mm. longis, 4 mm. latis stramineis et 
rufescenti-maculatis demum glaberrimis, caryopsi livide cuprea semi- 
globosa. — Panicule rami inferiores ipsa fere 4-plo breviores, basi 
1—2 em. nudi. Spieulze 8 aeutiusculze, gluma I** in '/, superiore 
bicarinata. Caryopsis glumas »quans, ambitu subrotunda, facie hili 
plana, embryonis valde convexa, inde spicule maturz valde gibbæ. 
Colitur in Darfur, Kordofan (Pfund in exped. Colstoniana et 
Purdyaua n. 561), Sennaar (princeps Württemberg in h. Vind.). 
** Panicule rachis ramique inferne pubescentibus v. angulis ciliatis v. velutinis (r—y). 
t, Usorum (Kernicke Handb. 1, p. 312); panicula oblonga v. ovato- 
oblonga superne angustata, spiculis 8 late ellipticis. — Sorghum 
Usorum Nees! Fl. Afr. austr. p. 87; Androp. Usorum Steud. 
Synops. 1, p. 392. — Panicule rami inferiores ipsà plus triplo bre- 
viores, basi 0,5—1 cm. nudi, pubescentes, appressi. Spieule 5,5 mm. 
long&, 3,5 mm. late (nee subrotundz), semper alutacez v. fulve, 
interrupte pilosze, haud nitide. Caryopsis lutescens v. rufescens. 
Colitur apud Cafiros (Krebs in h. Nees). Forma similis spiculis 
minoribus (4 mm. longis, 2 mm. latis), glabrescentibus panicula 
adhue longiore angustiore colitur in Africa trop. in terra Djur 
(Schweinf. ser. IIL, n. 180), et in Abyssinia (Schimp. 112 in h. Paris.). 
b, fulvus; panicula ovata v. ovato-oblonga acutiuscula, spiculis 9 
anguste ellipticis. — Paniculz rami inferiores ipsá plus duplo bre- 
viores, basi 1—2 cm. nudi, parce puberuli. Spieule 5 mm. longs, 
2,5 mm. latz, acutz, fulve, interrupte pilosule. Caryopsis pallide - 
flavescens v. fulvescens. 
Colitur in Madagascar (Hildebrandt 3219 pr. Nosi-bé); in ins. 
Angorna (Peters in h. berol.). 
p, peruvianus ; panicula ovali v. oblonga, obtusa, compacta ; spieulis 
8 ovato-elliptieis. — Panicula 10—15 em. tantum longa, ramis infe- 
rioribus ipsa pluries brevioribus, ad 1—1,5 em. usque nudis, angulis 
ciliatis. Spieule 8 4 mm. longs v. breviores, 1 mm. late, acutius- 
culze, fulvze; gluma I in '/, superiore bicarinata, basi pilosa, Te 
glabrescens. Pedicelli spicularum sterilium spiculæ sessilis '/,— 
æquantes. Collum vaginæ extus pubescens. 
