72 GRAMINEA. 
osa ad situs spicularum subexcavata dorso? plana, sca- 
brella. Spiculz breviter stipitatze, (stipitibus planis dilatatis 
apice, subcyathiformibus, rachi adpressis, marginibus minu- 
te scabrellis), biflore, lineares, angustissime, inter spatiam, 
inter spiculas equantes, basi breviter barbatze. Glume, 2, 
muticze carinate chartacee l-venisz, carina scabra, exterior 
inferior subduplo minor; hirta, interdum ciliata interior szepi- 
us carina excepta glabrata. Flosculus exterior univalvis neu- 
ter, palea minuta, hyalina, subconvoluta, sub 3 dentata. 
Flos superior hermaphroditus, Palea exterior lanceolata, 
hyalina, concavo-carinata, apice emarginata, sinu aristam, 
tortilem medium versus extrorsum geniculatam paleam ali- 
quoties excedentem madore rectam ima basi excepta scabram 
gerente. 
Interior minutissima, vix hyalina; subcarinosa, lanceolata 
apice in pilo longo-apiculata! cellulis clavatis ciliata. Lodi- 
cul: 2, cuneate, apice rotundatee subintegre, in sinu palez 
exterioris. 
Stam. 2 semper; hoc cum lodiculis alternante, ideoque 
palez exteriori opposit semper majus altero laterale, aliquan- 
do abortient. Filamenta breviuscula, antherz oblonge breves. 
Ovarium oblique ovatum, styli 2, basi distincti, stigmata plu- 
mosa, ramis simplicibus denticulatis, ratione stylorum longi- 
uscula, (5 longiora). Caryopsis subcylindracea hinc oblique 
apice attenuata stylorumque basibus terminat. brevissime 
stipitata. 
Gramen parvulum spithamzeum annuum habitu Andropogo- 
nis culmis ramosis, internodiis hirtis. Folia pilosa lineari-lan- 
ceolata acuminata, vaginis pilosis, laxis, collis imberbibus li- 
gulis rotundatis denticulato-ciliatis. Spicis longe pedunculatis, 
folio summo cujus lamina brevissima, vaginaque longissima 
suffultis, fuscescentibus. 
D. diandra nob. floribus linearibus, barba baseos brevi, 
arista palez exterioris ; fl. hermaphrod. medium infra scabra, 
staminibus binis. ' 
Ob. differt ab omnibus aliis Sacharoideis mihi cognitis 
gluma exterior carinata. 
