396 MONOCOTYLEDONEE. ANDROPOGON. 
5-nervis, callo brevi (0,6 mm. longo) obtuso pilis albis circ. 1 mm. 
longis faseiculatim eineto; If^ I zquans, subcoriacea, lineari- 
oblonga, obtusa, carina scabra, glabra, ex apice aristam patulam 
ipsam subzequantem exserens ; III: lineari-lanceolata, paullo brevior, 
acuta, marginibus implicatis, glabra, rubescens ; IV* quam II® duplo 
brevior, ab apice ad '/, usque fissa, laciniis lanceolatis acutis glabris ; 
aristæ 8—10 mm. longs columna fusca glaberrima subulam flavam 
sequans. Antherz 2 mm. long, stigmata 1,5 mm. longa, ferruginea. 
Spieula terminalis et (ubi adsunt) pedicellatze nodorum inferiorum 
S gequantes, lineari-lanceolat&, fuscescentes, glaberrim& : gluma 
T^ apice minute bidentula inter dentieulos mucronata, tenuissime 
1—9-nervis ; Ie dorso rotundata, apice acuminata v. brevissime seti- 
gera, tenuissime 5-nervis; II et IV* paullo breviores, lanceolato- 
lineares, acutze, 2—(resp. 1—) nerves, glabr&. Anther& ut in spicu- 
lis 8. 
Sierra Leone (ex Trin.); Liberia pr. Monroviam in silvis (Neumann 
in h. berol.). 
Obs. Diectomis fasciculata Beauv. Agrost. Explie. d. planch. p. 15 
(ex correctione nominis in supplemento « erratorum » facta), tab. 23, 
f. 6 est species A. leptocomo valde affinis vel ipsius varietas. Non dif- 
fert nisi racemis omnibus uniarticulatis, spiculze sessilis gluma II? 
apice bidentata, inter dentes aristata, IV* ad ?/, usque fissa spicula 
pedicellata longius aristulata. 
Subgen. 4. Hyposyxıum. 
Hack. in Mart. et Eichl. Fl. brasil. vol. 2, pars 3, p. 295; Hypogy- 
| nium (genus) Nees, Agrostol. brasil. p. 364 ex p. 
Racemi subeompositi in apice culmi ramorumque solitarii, ssepius 
paueiartieulati, singuli plerumque spathis aphyllis fulti; rhacheos 
fragilis artieuli tenues, suboblique v. oblique disjungentes, apice non 
appendiculati. Spiculæ pedieellatze c? v. neutrze, sessilibus simillimze, 
muticz; sessiles 8 v. 9, a dorso compress; gluma I” marginibus 
anguste implicata v. subinvoluta, bicarinata ; II“ carinata, mutica v. 
raro aristata; HIP hyalina, interdum 0; IV: integra v. rarissime 
bidentula, e basi hyalina superius membranacea dein in aristam 
abiens vel mutica. Palea 0. Anther:z 3, in spieulis sessilibus inter- 
dum tabescentes. Stigmata stylos sepius dimidio—duplo superantes, 
e media spicula v. inferius emergentia. Caryopsis oblonga v. obovato- 
