ANDROPOGON.  ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 367 
Culmi ejusdem cæspitis valde inæquales, 6—25 cm. alti, glaberrimi, 
ex omnibus nodis ramos floriferos breves simplices solitarios v. binos 
edentes. Laminæ 3—5 cm. longæ, 3—4 mm. latæ, glabrze, excepto 
margine carinaque scabris læves. Spathæ propriæ 3—4 cm. longe, 
dilatatæ, apice obtusissimo sæpe mucronatæ, rufæ, glabræ, racemi 
sæpe omnino involuti pedunculum apice pubescentem 3—4-plo super- 
antes. Racemi 3—4 cm. longi, 8—12-articulati, ita dense villosi, ut 
spiculæ fere velentur. Articuli spicula sessili '/, breviores, clavati, 
apice quam spicula paullo erassiores, appendice cupuliformi rectius- 
culo denticulato, dorso marginibusque villis albis acerescentibus 
dense vestiti, in '/, inferiore glabri, basi vero pilis articulo 3-plo bre- 
vioribus stipati. Spieule sessiles 5 mm. longs, lineari-oblongze, 
pallide virides: gluma I» superne subangustata, bimueronulata, 
" marginibus late implicatis, przeter nervos carinales obsolete 2-nervis, 
callo brevibarbi, dorso albo-villosa; II“ carina elevata scabra, glabra, 
scabro-punctata, l-nervis; IV* fere ad basin fissa, aristze ec. 16 mm. 
longæ columna nigra, breviter exserta, subulà a basi tortä subfuseä 
!/, brevior. Anthere 1 mm. longa. Pedicelli spicula sessili */, —'/, 
breviores, clavati, villosi; spicule pedicellate 2—2,5 mm. longs, 
lanceolato-subulat&, apice demum extus curvatæ, gluma I"* (sola) 
inter apicis dentes minute filiformes aristam 5 mm. longam exserens. 
Mexico: Acapulco (Haenke); Guatemala: Alta Vera Paz (Türck- 
heim 471 in h. m.); Costarica : Vule. El Viejo (Oersted in b. Havn.). 
Obs. A. malacostachyum Fourn. Pl. Mex. 2, p. 62 vide sub A. hirti- 
floro. 
5. A. modulosus (Hack. in Flora 1885, p. 116); culmo erecto; 
laminis acutis; racemis crassis interrupte villosis; spiculæ sessilis 
gluma I^ in '/, inferiori longiuscule sericeo-villosa, integra. 
ulmi 20—40 cm. alti, graciles, e nodis 1—3 superioribus ramos 
floriferos simplices, breves, appressos, solitarios v. binos edentes. 
Vaginz superiores nodis minute puberulis v. glabrescentibus. La- 
mins ime vix 1 cm., medic 3—4 em. longæ, 2 mm. lat, planae v. 
subcomplicatze, flaceidulze, virides, demum rubescentes,supra scabrz - 
et pilis mollibus longis conspers®, subtus glabrze, excepta carina 
leeves. Spatha proprie 2—3 em. longi, angustze, superne subinflatze, 
sepe laminz rudimento terminatz, racemi pedunculum appendice 
cyathiformi denticulato extus villosulo coronatum primo superantes, 
demum vix zequantes. Racemi circ. 2 em. longi, 6—8-articulati, nodu- 
loso-barbati: articuli spieulam sessilem subzequantes, eamque crassi- 
