191 
cataphyllis 2 membranaceis 5 mm. longis suffulti, per trientes 
inferiores duos more culmi holei erecti stricti, triente summo 
flexuosi et sextante summo tantum sinistrorsum volubiles, teretes, 
inermes, siccitate straminei. Folia alterna, inferiora 
agegregata rarissime tamen subopposita, caetera manifeste Sparsa, 
membranacea, supra saturate subtus pallidiore viridia, hebetia, 
etiam novella utrinque glaberrima, nisi reticulatione pellucida 
opaca, subdeltoideo-cordato-oblonga, acute acuminata, apice 
minutissime mucronulata, sinu basali lato, margine penitus 
mainutissime undulata et supra auriculas basales parum obliquas 
leniterque iterum sublobulatas aliquantulum sinuata, 7-nervia 
hervis extimis 2-fidis, nervi opaci subtus prominuli, nervuli 
secundarii pellucidi, supra obscuri subtus subdistincti; 6-7 em. 
longa, basi 4 cm. et supra auriculas basales 2-5 cm. lata; petiolus 
glaber, gracilis, supra canaliculatus, basi perdistincte apice 
parum pulvinatus, 45-6 cm. longus. Racemi masculi omnino 
glaberrimi in axillis foliorum nisi 2-3 imorum orti, saepissime 
compositi, nonnulli apicem caulis versus plane simplices, 4-5 cm. 
longi, 1-1°5 cm. lati, pedunculis filiformibus vix angulatis nudis 
1°5-1-75 cm. longis suffulti; ramuli filiformes, inferiores tem, 
longi, sursum gradatim abbreviati, bracteis minutis lineari- 
lanceolatis 1 mm. longis subditi, saepe 2-flori, nonnunquam 
8-flori rarius 1-flori; pedicelli singuli cymosim dispositi, 2-mm. 
longi bracteolis eos opponentibus bracteis simillimis nisi 
brevioribus. Perianthii masculi urceolati laciniae 2-seriatae, 
\iiedan exteriores ovatae interiores subobovatae, omnes obtusae. 
tamina 3 aequalia, subsessilia, perianthii laciniis exterioribus 
opposita ; antherae didymae; staminodia nulla. Spicae foemineae 
ignotae. 
Japan. Kiu-shiu; Amakusi, mense Aprili florens, Rein. 
re described, of 
which only male examples have so far been seen, is D. 
glaberrima, Mi i 
iqg., wh ; e 
with but three fertile stamens. The two species further agree in 
‘neurved at the top, thrice as long as th thers anc ; 
alternate with three stoutish subclavate epipetaline staminodes 
