SACCHARÜM.  ANDROPOGONER (AUCT. EDUARDO HACKEL), 111 
A. Lamina folii summi non abbreviata. Gluma Ima et JIia chartaceo- 
membranacea v. basi tantum coriacee. — (Spec. 1—4.) 
a. Glumæ Ime callus villis spiculam involucrantibus eaque duplo v. pluries 
longioribus barbatus, reliqua gluma glabra. Gluma IVa 0 v. angustissime 
linearis, mutica. — (Spec. 1—2.) 
1. S. officinarum (Linn. Spec. ed. 1, vol. 1, p. 54); racemi 
articulis pedicellisque glabris, gluma I™ lineari-oblonga, substantiä 
homogeneá. — Ic. Tussac. Fl. Antill. t. 23—25; Hook. Bot. Misc. 
t. 26; Hayne Arzneigew. 9, t. 30, 31; Schacht, Madeira et Teneriffa 
t. 1; anat. folii ap. Duval-Jouve in Mém. Acad. Montpell. 7, t. 17, f. 5. 
Culmi anthesi erecti, demum inclinati, 2—6 m. alti, diam.2—4 cm., 
10—40-nodes, glabri v. sub panieula appresse pubescentes, prope nodos 
(raro toti) ceriferi, inferne demum vaginis deeisis denudati, simplices 
v. foliifero-ramosi. Vagine ad collum pubescentes ceterum statu 
juniore sepius pilis appressis acutis (in cutem introduetis prurienti- 
bus) strigose, ad nodos glabrz. Ligula brevissima, membranacea, 
plus minus ciliata. Laminæ e basi angustata (quam vagina angustiore) 
lineari-lanceolate usque ad 1,5 m. longs et 6 em. late, patulo 
(apice subnutantes), subtus elaucescentes supra virides, utrinque v. 
supra scabrz, nervis lateralibus primariis utrinque 10 v. pluribus, 
interjectisque secundariis 5—7-nis tertianisque 1—3-nis, nullis promi- 
nulis, percurse. Panicula amplissima, 40—80 em. longa, pyramidali- 
ovata, effusa, densa, rhachi communi præter nodos barbatulos glabra, 
lzeviuseula, rarius appresse sericeo-pubescente, suleata; rami primarii 
iuferiores semivertieillati, superiores verticillati, filiformes, in axillis 
barbati, inferne pubescentes, superne glabri scaberuli, ad nodos bar- 
bati, basi breviter nudi, dein ramulos seeundarios simplices remotius- 
eulos edentes. Racemi 5—10 em. longi, graciles ; rhacheos fragillimze 
articuli spiculam :equantes v. superantes, filiformes, sursum vix 
inerassati, dorso obsolete carinati, praeter angulos glabros v. (in arti- 
culis superioribus) pareissime ciliatos seabros glaberrimi. Spieulse 
lineari-oblong® 3,5—4 mm. long:e, pallid:e v. subfuse:e, villis involu- 
erantibus densis albo-sericeis 2—3-plo breviores; gluma I" charta- | 
ceo-membranaeea, acutiuseula v. acuta, integra, marginibus late sed — 
laxe (altero interdum obsolete) inflexa, flexuris superne scabris, dorso 
margineque glaberrima, przeter nervos carinales enervis v. utrinque 
- neryo extracarinali brevi percursa; II" membranacea, lanceolata, 
