ANDROPOGON.  ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 609 
156. A. Seheenanthus (Linn. Spec. ed. 1, p. 1046); spiculæ 8 
gluma I" late oblonga v. obovato-oblonga obtusa, carinis superne 
membranaceo-alatis, in '/,—?/, inferiore dorsi sulco angusto profundo 
intus in costulam prominente exarata. — Anat. folii ap. Duval-Jouve 
in Ann. sc. nat. sér. 6, 1, t. 18, f. 9. 
Vaginæ glaberrimæ. Lamins e basi dilatata subcordato-rotundata 
sublanceolato-lineares, sensim attenuats, flaceidule, glaucæ, subtus 
sepissime pruinoss, glaberrimæ v. margine tantum v. raro utrinque 
scabræ, costa media inferne crassiuscula plurinervi supra late albo- 
lineata intus parenchymate incolori parco repleta, nervis lateralibus 
crebris non (v. in sicco parum) prominulis. Panicula linearis v. 
oblonga v. ovali-oblonga, inferne szpe interrupta, plerumque densa, 
ramis suberectis glaberrimis, primariis inferioribus plurinodibus, 
subflexuosis, nodis superioribus confertis, secundariis basilaribus 
binis—ternis, plerumque uni-(raro —4-) nodibus, omnibus plus minus 
dense congestis. Spathz proprie pedunculum communem 3-plo v. 
pluries superantes, racemos subzquantes. Racemi inzquales, alter 
3—4-, alter 4—6-articulatus ; articuli pedicellique spiculæ sessilis 
medium :equantes, lineari-subelavati, erassiusculi raro crassi, dorso 
convexo linea pilosula notati, marginibus acerescendo-villosi, villis 
summis articulum zequantibus v. paullo—duplo brevioribus, disjuneti 
apice appendieulum irregulariter dentatum exhibentes. Spieule 8 
. gluma P™ chartacea, apice ssepius emarginata v. obsolete biloba, 
prater nervos earinales binervis v. enervis, callo obsolete barbulato ; 
IV: in '/,—'/ superiore in lacinias 2 filiformes glabras v. ciliatas 
fissa, aristæ plerumque perfectæ spiculá seepius 3—4-plo (raro duplo) | 
longioris columna atro-fusca quam subula pallida paullo brevior. 
Anthere 1,5—2 mm. longs. Spieule pedicellatz sessilis aquantes, 
laneeolato-oblong&, obtusiuscule v. raro acuta. Tota planta odore 
suavi, citreo. 
Subspec. a. genuinus. Panicule lineari-oblong® rami secundarii 
plerumque simplices uninodes, raro 2—3-nodes et tertianos simplices 
gignentes. Racemi 1—2 em. (sæpius 1,4 cm.) longi; spieule 8 4mm. 
longs gluma I» prster carinas enervis v. in '/, superiore nervulis 
2 brevibus carinis approximatis notata, ejus sulcus dorsalis a basi vix 
ad medium usque productus; gluma IV* ad '/, —'/, usque fissa, arista 
perfecta, spiculä 3—4-plo longior. Spieule c? glabrz. Ligula 2—3 
mm. longa. — Varietates 3 parum distinetz : 
|a, genuinus (s. str.); laminis basi rotundato-cordata semiamplexi- 
Surre au Prodromus VI. 39 
