ISCHRMUM. ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 225 
cule pedicellate gluma T» in setam 2 mm. longam basi dentieulo 
auctam abiens, carina longiuscule ciliata, 7-nervis ; H® ut in spiculis 
sessilibus, sed carina ciliata. 
In insulis Lu-tschu (ex auctoribus ; examinavi spieulas foliaque a 
specimine authent. desumpta). | 
** Articuli pedicellique ad basin anguli interioris ita exeisi, nt inter eos et spiculæ sessilis 
basim pori plerumque distincti, orbiculares, a fronte visibiles, et inter ipsos porus 
a tergo visibilis relinquantur. — Culmi subeompressi. Vaginæ eompress:e, superne plus 
minus carinatæ, nodis, saltem superioribus, barbatæ. Racemi articuli crassiuseuli ; 
spiculæ sessilis gluma Ilda Imam paullo—!/, superans, ovato-lanceolata, chartacea, 
acuminata, carina superne sinuata, scabra; III, Iam subzquans, lanceolata, acuta, 
hyalino-membranacea, uninervis, glabra v. ciliolata, ejus palea glumå paullo brevior, 
submembranacea, binervis, marginibus implicata. Antheræ floris Cj 2,5—3 mm 
longe; IVa quam Ifda !/,—!/, brevior, ovali-oblonga, hyalina, ad medium usque 
fissa, lobis acutis, inferne 3-nervis ; antheræ floris superioris sspe hebetatæ. Spiculæ 
pedicellatæ gluma Ima in parte implicata 3-, in reliqua 7-nervis. — Spec. 21—24; 
characteres hujus subdivisionis (exceptis spiculis pedicellatis) etiam in speciem nr. 25 
extenduntur. 
t Spiculæ sessilis obovato-oblongæ gluma I”* in 4/2 superiore utrinque late alata, alis i pus ep apicem 
superantibus, quam ob rem gluma emarginata v, obtuse biloba evadit (n. 94 
2 
21. I. ciliare (Retz! Obs. 6, p. 36); I. aristatum Willd. ! Spec. 
4, p. 939 non Linn. ; Andropogon Retzii et A. incertus Steud. Synops. 1 
p. 375 (reliqua synonyma vide sub varr.). 
Culmi graciles, superne longiuscule nudi. Ligula brevis (1—1,5 mm. 
longa), obtusa, membranacea, ciliata. Laminæ e basi sensim angus- 
tata v. in superioribus subrotundata lineari-lanceolatæ, acuminatæ, 
obscure virides v. sordide violascentes, sæpissime utrinque appresse 
pubescentes raro glabrescentes, margine scaberrimæ. Racemi bini 
rarissime terni, crassiusculi, erecto-patuli v. subappressi, parce 
pilosi ; articuli pedicellique spicula subduplo breviores, paullo diyer- 
gentes, angulo exteriori pilis rigidulis articulo (sæpius 2—4-plo) bre- 
vioribus ciliati, interioribus glabri v. breviter molliterque eiliolati. 
Spiculze sessiles e flavo-viridi et rufescente v. violascente variegatow, 
callo oblongo ; gluma Ir: Wm bidentata, | in D anpeiore chartacea, 
alis æqualibus memb rosulis ta, elevato 5—7-- 
nervis, nervis infra apicem evanidis, in '/, inferiore coriacea, dorso 
convexa, enervis, lateribus laxe sed late aurieulato-inflexis inde a 
latere visa subventricosa, scabra, glabra v. superne pilis longiusculis - 
obsita ; I^ acuminata v. breviter setigera, apice recurva, infra api- 
cem marginata v. fere alata, 3-nervis, glabra ; IV* gm 5 lobis 
Summe au Prodromus VI. 
