516 MONOCOTYLEDONEE. ANDROPOGON. 
nuus Ard. in Saggi sc. e lett. ac. Padova 1, p. 128, t. 3, f. 1, 2. Sor- 
ghum cernuum Host. gram. austr. 4, t. 3; Reichb. Ic. Fl. germ. ed. 
1845, t. S0 (176), f. 466; Andropogon compactus Brot. Fl. lusit. 1, 
p. 88; A. cernuus Kunth. Enum. 1, p. 501 excl. syn. Roxb. — Culmi 
etiam apice robustissimi. Panicula ovata v. ovalis, compacta, 8—15 
em. longa, 6—12 cm. lata, obtusissima, rhachis ramique villosuli, hi 
erecto-patuli, sibi appressi, basi brevissime nudi, imi panicula subtri- 
plo breviores. Spieule 8 4,5—5,5 mm. longe, 3—3,5 mm. late, 
obtuse, albescentes, demum subfuscescentes, dense sericeo-villosul® 
rarius dorso medio demum glabrescentes; gluma I™ infra apicem 
parum depressa. Arista 8—11 mm. longa. Caryopsis globosa, alba, 
hilo fuscescente. Spicule neutre v. g late oblongs, obtusiuscul&, 
pubescentes, pedicellis minutis (0,5—0.8 mm. longis) fultæ. 
Maxime cultus in Africa tropica et /Egypto, minus in Lusitania, 
Grecia, Tauria, Asia minore, Persia, India or. (Wall. 8777k pr. Alla- 
habad). — Panicula interdum in speciminibus macris erecta, tum 
sequenti valde affinis. In /Egypto sque ac sequens durra vocatur. 
Obs. Sorghum Truchmenorum C. Koch, cui etiam panicula cernua, 
vide ad caleem. 
G. Spicule 8 late obovato-rhomboidee v. deltoider, acutiuscule, v.obtusiuscule ; 
gluma I"* acumine depresso-triangulari terminata, in !/s superiore char- 
tacea, ibique depressa et striata, ceterum coriacea. Caryopsis globosa, 
glumas plus minus ezcedens. Pedicelli spicularum neutrarum brevissimi. 
Panicula compacta (275—933). 
a. Spieule mutic® v. gluma IV* mucrone subexserto. 
CC. Durra; Holcus Durra Forsk. Fl. æg. arab. p. 174 saltem ex 
parte. — Culmi robusti. Panieula 9—15 em. longa, ovato-oblonga, 
compactissima, rhachi ramisque lzevibus basi villosulis, his appressis, 
imis panicula 3-plo brevioribus basi brevissime nudis. Spieule 8 
' 6 mm. longs, 4 mm. lat, demum stramines, interrupte (rarius ex 
be ccc Caryopsis omnium varietatum maxima, sepius eitrina 
id 
Maxime eultus in ZEgypto tota (Schweinf. 1523) sub nomine durra 
awägeh; in Abyssinia (Schimp.), Darfur (Pfund), Senegalia (Lelie- 
vre), et verisimiliter etiam in Africa centrali. 
nm, Egyptiacus (Keernicke in Aschers. et Schweinf. Ill. Fl. Egypte, 
p. 164); differt a precedente glumis fuscis ad flavescentibus, caryopsi 
