520 MONOCOTYLEDONEJ. ANDROPOGON, 
2. Sorghum Truchmenorum C. Koch in Linnza 21, p. 443. Andro- 
pogon Truchmenorum Steud. Synops. 1, p. 394; Andr. Sorghum var. 
Truchmenorum Kornicke Handb. 1, p. 315; affinis dieitur var. cer- 
nuo, differt vero panicula oblonga, spiculis 9 oblongis, gluma I” 
acuta, II?» multo longiore quam latiore. — Colitur in terris calidiori- 
bus transcaspicis; nom. vern. Dschachhenna. 
3. A. Sorghum var. leucospermus Korn. Handb. 1, p. 311 (nomen 
minus aptum cum fructus rufescentes dicantur). Panicula ut in var. 
saccharato; glumæ demum albæ; caryopsis rufa. — Ex hortis bota- 
nicis. 
b. Panicule rami omnes simplices, racemum unum (raro altero parvo auctum) 
ferentes. Vaginarum, saltem superiorum, nodi plus minus longe patentim 
barbati. Racemorum rhachis pedicellique et spicule 8 callo rufo- v. 
purpureo-pilose. — Culmi erecti v. ascendentes, simplices v. raro inferne 
foliifero-ramosi, teretiusculi, latere altero (vagin: dorso respondente) 
alternatim applanati, aiken, superne striatuli. Vaginæ internodiis 
breviores. Ligula brevis (1—2 mm. longa), truncata, chartacea, mpa 
rufescens, ipsa glabra v. ciliolata, intus pilis sæpe longis stipata. Lamin 
planæ, setaceo-acuminatæ. Paniculæ rhachis communis teres, rami Air 
formes v. capillares, verticillati, in axilla brevissime parceque barbati. 
Spicule 8 gluma I** coriacea v. cartil ea, in !/,— '[s superiore mar- 
ginis implicata inde bicarinata carinis serrulato-ciliatis, in reliqua mar- 
ginis parte plus minus involuta, callo minuto obtuso raro acutiusculo 
pilis rufis v. rufo-purpureis i —5-plo ersehen barbato; Ida 
coriacea, lineari-oblonga v. lanceolata, dorso convexa v. non nisi infra 
apicem carinata, IIe '/ brevior, RER, acuta, binervis (raro enervis), 
ciliata; IVe secundä duplo brevior, ovill-oblong& v. lineari-oblonga, 
ciliata, apice plus minus obtuse (raro acute) biloba, e sinu aristata raro 
in varietatibus quibusdam integra, mutica (n. 103—106). 
103. A. serratus (Thunb.! Fl. jap. p. 41); perennis; panicule 
ramis 4—24** (inferioribus sepius 8—12") patentibus v. nutantibus 
glabris, longioribus inferne per spatium racemo cire. duplo longius 
nudis, spieulis sessilibus late ovato-lanceolatis 4A— (raro) 6 mm. lon- 
gis, pedicellatis masculis 4-glumibus. 
Innovationes extrayaginalen, breves. Culmi [0 0 cm. alti altio- 
resve, subgraciles. V; gina ecarin arcte, secus 
margines et superne sepius tuberculato-hirtule, ore barbate. Lami- 
nz e basi plus minus angustata lineares, mediæ 10—50 cm. longs, 
4—12 mm. latze, virides, rigidze, modo utrinque glabr&, modo tuber- - 
culato-hirtule, modo inferne tantum pilis longis basi tuberculatis 
