410 : MONOCOTYLEDONEE. ANDROPOGON. 
nodes, hi raro tertianos uninodes procreantes, omnes graciles, glaber- 
rimi v. infra nodos parce barbati. Spathæ propriæ 4—6 em. longæ, 
lanceolatæ, acuminatæ, aphyllæ, haud carinatæ, rufescentes, glabræ, 
pedunculum communem brevissimum (3—5 mm. longum) apice longe 
barbatum decies v. plus superantes. Racemi 1—4 em. longi, sublaxi- 
flori ; rhacheos tenerrimæ subflexuosæ articuli filiformes, spicula '/,— 
duplo breviores, villis sordide albidis, summis articulo 2—3-plo lon- 
gioribus vestiti. Spiculae 8 anguste lineari-lanceolatz,, 3,5—4,5 mm. 
longs, pallide v. leviter sordideque violascentes : gluma I"* sensim 
angustata, bimueronulata, carinis aeuleolato-scabra, callo pilis gluma 
3-plo brevioribus eineto; II obtusiuscula ut III: glabra ; IV* in '/, 
superiore acute bifida, aristam emittens gracillimam rectam 12—16 
mm. longam. Anthera 1 mm. longa. Pedicelli steriles spiculam 9 
&quantes v. superantes, demum extrorsum curvati, villis ipsos equan- 
tibus v. superantibus vestiti, absque rudimento glumæ v. eum rudi- 
mento 0,5—1 mm. longo, mutico. 
"Var. a, viridis ; foliis viridibus glabris, paniculee ramis glabriuseu- 
lis v. ad nodos parce barbatis, racemis binis v. raro ternis 2—5 em. 
. longis. 
Subvar. 1. genuinus. Lamin& innovationum statu complicato cire. 
1—1,5 mm. late, culme:e planiuscule 2—5 mm. late. Paniculae 
parum ramos& rami primarii 2—3-nodes, secundarii sæpe solitarii v. 
bini, uninodes, simplices. — A. dissitiflorus Miehx.! (fide specim.;a el. 
Richardio insigniti) Fl. bor.-amer. 1, p. 57; Ell. Sketch p. 149; A. 
vaginatus Ell.! Sketch p. 148; Trin. in Mém. Ac. Petersb. ser. 6, 
vol. 4, p. 84; A. eriophorus Scheele in Flora 1844, p. 31, non Willd ; 
A. Louisianæ Steud. ! Synops. 1, p. 383, ubi racemi perperam solitarii 
. dicuntur; A. virginicus Vt Agric. Grass. t. 24; Cinna lateralis 
Walt. Carol. p. 59. 
Obs. Hæc est: certe planta a Linnseo primitus (in Spec. pl. ed. I") 
. Androp. virginicum vocata, qualis in Gronovii Flora Virginica 1, 
p. 132 a Claytonio breviter est descripta et in Linnzi herbario suppe- 
ven numero 7, eodem quo in editione prima, insignita. In editione 
secunda auetor rem confudit, immiscens et in citationes et in diagno- 
sin iind flosculi mutiei !) plantam a Sloane (hist. 1, p. 110) nomine 
« graminis dactyli bicornis tomentosi minoris » descriptam in tab. 
68 f. 2 delineatam, a virginico editionis Im" maxime distinctam, in 
Virginia minime crescentem, nimirum. Androp. leucostachywm Kunth, 
qui etiam nomine A. virginiei a Linnzo insignitus post verum virgini- 
cum in herb. Linnzano invenitur. Sloanei descriptione et icone inni- 
