86 MONOCOTYLEDONER. DIMERIA . 
China: in paludibus prope Canton l. Theoph. Sampson (h. m.); 
Hance 1385. 
*** Gluma Ima lanceolata, IIdam latitudine æquans, tota coriacea. 
9, D. acinaciformis (R. Brown! Podr. p. 204, Benth. Fl. 
Austr. 7, p. 523, Saccharum acinaciforme Spreng. Syst. 1., p. 282). 
Culmi ascendentes 20—35 cm. longi gracillimi binodes, nodo supe- 
riore in '/, v. '/ inferiore culmi sito, compressi, superne longissime 
nudi, e basi nodoque infimo ramos valde elongatos simplices agentes. 
Vagin® compressa, carinate, laxiuscule, nodis barbatule, ceterum 
glaberrims v. superne pilis adspersz, internodiis multo breviores. 
Lamins e basi »quilata a vagina subdistincta lineares, 2—4 cm. 
longs, 1,5—2 mm. late, flaccidulæ, utrinque (saltem juxta margines) 
pilis longis basi tubereulatis adsperss, nervis lateralibus utrinque 
2 non prominentibus percursæ. Racemi bini 3—4 cm. longi, alter 
subsessilis alter pedicello 3 mm. longo fultus, demum patuli nec diver- 
gentes (sine callo in basi pedicellorum), subrobusti, sordide rufi, 
glabrescentes, densiflori; rhachis 0,5 mm. lata undulata trigona 
glabra, dorso plana 1-nervis, facie carinata, carina levi, margine 
acutissimo scabra, internodiis subinsqualibus 1,5—2 mm. longis 
spicula plus duplo brevioribus; pedicelli 0,5 mm. longi clavati, excisi, 
glabri, seabri. Spicule, dum clausæ sunt, lineari-oblongz, cum callo 
obtusiusculo albescente 0,7 mm. longo, barba alba densiuscula valde 
manifesta callo subduplo longiore, spicula 4—5-plo breviore cincto 
5mm. longe, rufe. Gluma I” a latere visa lanceolata, acuminata, 
glabra, carina scabra ; II“ J=! conspicue superans, lineari-lanceolata 
fere acinaciformis, acuta, infra apicem in '/, superiore alula rufo- 
membranacea scabra munita, juxta carinam chartacea, ceterum 
hyalino-membranacea, preter marginem ciliolatum glabra, carinä 
inferne levi ; II* lineari-oblonga obtusiuscula, hyalina, enervis, 
ciliata; IV* quam II“ '/, brevior, lineari-oblonga, breviter acuteque 
bidentata, glabra ; ariste 12 mm. long: columna exserta scaberula 
subulä albidä laxe tortà 3-plo brevior. Stamina (certissime) 2 (ex 
Brown 3), antheris 0,7 mm. longis. Stigmata 0,5 mm. longa non 
exserta. 
Nova Hollandia : Queensland, ad. fl. Endeavour River, l. Sir J. 
