` 462 MONOCOTYLEDONEX. ANDROPOGON. 
truncata ; laminis basi angustatis, inferioribus. 1,5—3 mm. latis costa 
media tenuicula subtus non carinata, supra anguste albo-lineata per- 
cursis; rhacheos articulis lineari-clavatis apice appendice sæpe lingui- 
formi coronatis dorso marginibusque molliter villosis; spiculæ sessilis 
10—13 mm. longæ oblique lanceolatæ gluma P™ 9—13-nervi carinis 
late alatis. — Pollinia distachya Spreng. Pug. 2, p. 12; Apluda dista- 
chya C. B. Presl, Gram. Sic. p. 55. Icones : Jacqu. Ic: pl. rar. 3, 
t. 630; Host. gram. austr. 3, t. 2 (opt.); Smith, Fl. græc. t. 69; 
Sturm, Deutschl. Fl. 52, t. 13; Reichenb. Ic. f. 1501 ; Moggridge Fl. 
Mentone f. 73 A. — De anat. fol. conf. Duv.-Jouve in Mém. Acad. 
. Montpell. 7, p. 329, t. 18, f. 8. 
Innovationes extravaginales, basi subincrassate. Culmi 30—80 em. 
alti. Vaginz glabr& v. ore pilosule, innovationum imæ ad squamas 
breves sericeo-villosulas redaet®. Ligula plerumque ciliata. Lamine 
e basi angustata lineares, setaceo-acuminatz, inferiores 5--20 cm. 
longæ, 1,5—3 mm. lat, flaceidule, virides v. glaucescentes, inferne 
sspe pilis patentibus longiusculis raro basi tuberculatis adspersz, 
rarius tot: supra pilos, margine scabrze, ceterum lzeviusculze, nervis 
lateralibus non prominulis. Racemorum alter sessilis, alter pedicello 
3—4 mm. longo fultus, 4—10 cm. longi, erassiusculi, erecti, nunc 
pallide virides nunc violaceo-variegati : articuli spicula plus 2-plo 
usque triplo breviores, crassi, obliquissime disjungentes, villis aceres- 
centibus, summis articulum zequantibus v. subsuperantibus vestiti. 
Spiculz sessiles apice leviter extus eurvatze : gluma I™ longe acumi- 
nata, inzequaliter bicuspidata, marginibus angustissime inflexis, cari- 
nis alis membranaceis integris sepe violascentibus munitis, nervis 9— 
13-insqualibus, exceptis carinalibus non percurrentibus notata, glabra 
. et scaberula v. hispidulo-pubescens v. villosa, callo obconico 1,5—2 
mm. longo obtuso pilis ipsum zequantibus barbato ; II^ primä '/, 
brevior; IV* primá duplo brevior, ad ?/, usque fissa, laciniis glabris ; 
aristee gracilis 20—30 mm. longs columna parum e glumis exserta 
subulä '/, brevior; antherz et stigmata 4 mm. longa. Pedicelli apice 
bidentato-appendieulati, a basi ad */, v. altero latere ad '/, tantum 
ciliati, dorso glabri. Spieule 5 angustius lanceolatz : gluma I™ callo 
brevissimo, angustius alata, aristata, arista glumä paullo breviore ; 
II“ primá paullo brevior, obsolete bidentula, breviter aristulata ; 
antheræ 3 mm. long. 
Subvar. 1. genuinus; spieulis glabris. 2. pubescens ; spiculis pubes- 
centibus (Parl. Fl. palerm. 1. p. 272); 3. dasystachys; spieulis lon- 
giuscule et densius pilosis. Przeterea variat racemis ternis (Parl. 1. c.). 
