30 GRAMINE. 
а. Gluma exterior. 
b. ,, interior. 
c. Palea exterior subglumaceo floris exterior masculi. 
d. ,, interior. 
exterior floris minoris fzeminei. 
Р. ,. interior. 
% 
. 
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An потат genus hoc modo distinguenda. Gluma bivalvis 
bi-flora, valvula exteriori minima, Flosculi dissimiles : exterior 
major masculus interior fæmineus, Palea exterior floris mas- 
culi glumacea interior membranacea, apice bifida. Gladandule 
hypogynz 2, integra, Styli 2, Caryopsis. 
Gramen fluitans fol. disticta linearib. 3-nervis. Ligula 
rotundata. Panicula effusa subsimplex, flores l. vel 2 infi- 
mi in excavationib, racheos communis semi nidulantes, sessil 
es, reliqui sessiles in ramos panicule rachillá ultra flo- 
rem quemque in processum aristiforma producta, arista sicca- 
tione flexiosa. Ominno intermedium inter Panica Sect. vij 
Br. Pr. 1, 193 (49 et Chamzraphem.) 
16. Panicum. Gluma exterior minutissima levis, mem- 
branacea enervis truncata. Р 
Interior flosculos zequans, lanceolata acuta mutica, 5-nervis, 
interstitiis dense adpresseque lanato- villosis. 
Palea exterior unica floris neutrius huic omnino similis, at 
7 nervis. 
Palez floris hermaphrodit conformes acute mutice, sub 
chartacez, palea exterior marginibus inflexis membranaceis, 
convexa 3-nervis, inferior binervis. 
Lodiculz 2, interdum basibus coalitze oblongze, emarginatz 
an semper? omnino externa. Stamina 3. 
Stigmata plumosa, ratione s¢ylorum zqualia. 
Caryopsis. 
Gramen parvulum elegans sub spithameum pedaleve culmis fi- 
liformibus : ligula maxima, spicis digitatis, binisque vel ter- 
