ENUMERATIO PLANTARUM JAPONICARUM. 614 
nulata, indurato chartacea; spicule simpliciter spicatæ et vel in panicu- 
lam spicæformem coarctatæ, basi nud, unifloræ, plus minus obliqui. 
Imperata. — Glumæ muticæ, tenues, pilis albis, elongatis cinctæ ; spiculæ 
in paniculam spiciformem coarctatæ, solilariz. 
Pogonatherum. — Gluma inferior mutica, superior ut et. glumella longe 
aristata ; spiculæ simpliciter spicatæ, basi nude, geminæ, alterà sessili 
biflorà, flore inferiori masculo, superiori femineo, alierà pedicellatà , 
uniflorà femineà. 
B. Spice simplices conjugatæ vel 3-6 fasciculato digitatæ. 
Dimeria. — Spice geminæ ; spiculæ solitariæ, racheos latitudine et sub ` 
anthesi in illius excavatione seminidulatæ, unifloræ ; glumæ acutæ ; 
glumella inferior ad basin aristata, aristà deciduà. Planta tenuis. 
Ische mum. — Spicæ conjugatæ arcte conniventes, vel usque 5-6 digitatæ; 
spiculæ geminæ, alterà sessili, alterà pedicellatà, racheos latitudine et 
cum illa articulatæ, sub anthesi in excavatione nidulatæ, bifloræ. Plantæ 
sepius rigidæ, elatæ. 
Pollinia. — Spicæ 2-5 aggregatæ vel rarius spica solitaria ; spiculæ rachi 
— triplo latiores, geminæ, alterà subsessili, altera pedicellatà, utráque fer- 
tili, uniflorà; glumella superior bidertata, inter dentes aristata, aristà 
validà elongatà, ad medium geniculatà. Planta prostrata, radicans. 
Leplatherum. — Spicæ 2-4, fasciculato digitatæ vel rarius abortu spica soli- 
laria ; spiculæ rachi triplo latiores, geminæ, pedicellatæ (in erioris pedi- 
cello duplo breviori), utràque fertili, uniflorà; glumella superior acuta, 
in aristam tenuem, mollem, haud geniculatam, apice tantum tortam 
desinens ; planta prostrata, basi radicans. 
C. Spice simplices e basi culmi alternæ vel ad apicem culmorum fastigiate, vel panieulam 
plus minus decompositam, effusam, efformantes. 
 Arlhraxon. — Spice simplices vel bipartitæ, erecto fastigiatæ ; spiculæ 
basi nudæ, unifloræ, sessiles, cum rachi articulatæ, facile deciduæ, soli- 
tariæ vel rarius rudimento pedicelliformi brevissimo floris secundi auctæ ; 
glum:e in nervis scabræ ; folia ovato cordata, in marginibus et in vaginis 
pilis e tuberculo ortis vestita; arista glumellæ inferioris breviter exserta, 
frazillima. Planta decumbens. : 
Eulalia. — Rami paniculæ vertic.llati, patentes, vel ad apicem culmi érecto 
fastigiati ; spiculæ geminæ, altera sessilis, altera pedicellata, utraque fer- 
ilis, uniflora, basi pilis plus minus elongatis cincta; arista spiculam 
longe excedens, geniculata; folia linearia. Plantæ elatæ. éd. 
Anthistiria. — Rami paniculæ breves, vaginà inclusi ; spiculæ 5-7 capitato 
aggregatæ, involucro cymbæformi suflultæ, 5-4 exteriores neutra, 1-2 m 
interioribus sepius masculæ, unica tantum centralis fertilis ; glumæ vend 
ticæ ; glumella inferior floris fertilis aristata, aristà longissimà, genicu- 
latà; glumellæ flor masc. vel neutr. muticæ ; pili involucri et bractearum 
€ bulbo orti. 
