456 Journal of the Asiatic Society of Bengal. [September, 1908. 
exspicientes, apice mucronate, basi truncato-cordate, mox matur- 
itate ad apicem secedentes ; alee subrectangulares, 2 oe externis 
duobus rotundatis, glabre, fusco-castanex, 4—5 cm. longs, 11—12 
mm. late. Semina i igno 
RAK. Maxwell’s hill, Scortechinz. Tonkin. In monte Bavi, 
ad esa ped. alt., Balansa, 4325, 
Typi in Herbario Horti Botanici Regalis ad Calcuttam con- 
Servati sunt et ad Kew. Species distinctissima. 
Secniag VEXANS, Tubera esculenta. Oaules glabri, teretius- 
s, dextrorsum volubiles, virides vel rubescentes, n 
balbilliferi. Folia utrinque glabra, viridia, pellucido-punctata mal 
Paes, opposita vel alterna, Sepissime oppo osita vel suboppo osita, 
vata vel cordato-ovata vel in plantis immaturis ova ato-hastata, 
pa ice acuminata, basi vel obtusissima vel truncata vel sinu aperto 
tinctis alien tortuosis ; petiolus glaber, sulcatus, 2—5 cm 
longus vel longior. Spice mascule nunc -nate in ifforsacent. 
las racemiformes 14—25 ecm. fates decurvas disposite, nunc at 
raro aa indie ne Aiea reel 8—20 mm. longs, J—25- 
cule tenuis; rhaches spicarum in modo zigzag 
torti, Gifomanes  adalienhths globosa, foaailes ; ; bractezs ovate, acute, 
05 mm. longe : ; bracteole similes, perparve. Perianthii masculi 
lacinis exteriores oblonge, obtuse, firme, brunneo-lineolate, vix 
1 mm. longe ; interiores exterioribus minores, oblanceolate, crass. 
Stamina sex, equalia, antheris filamenta ‘equantibus introrsis. 
C# freminese 1—2-nate, 15—20 cm. long, dependentes, circa 
12-flore ; flores foeminei 'stricte sessiles, despicientes 1—2 om. 
remoti, bibracteolati, glabri apsuls dependentes, stipitate ; 
alee subcoriacee, semicireulares et apice et basi cuneate, imma- 
ture 2 cm. longe 
NsuL2 Anpamanicz. Sine locis, Man, Prainii-mercenarius, 
25, = South Andaman, sine loco, Heinig, 314; Port Blair in col- 
libus saxosis, Kingti mercenarius, 553, 569 ; Port Mouat in sylvis 
montosis, Kingii mercenarius ; Bajajag valley, Heinig ; Namuna 
fen King; Balughat, Kingit mercenarius: Baratang island, 
'ypiin Herbario Horti Regalisad Calcuttam conservati 
sunt. Species haec ad D. glabram, Roxb., valde affinis est ; differt 
foliis inflorescentiisque. 
- Droscorea Say Aga Uline. Radix nobis ignota. - Oaules 
glabri, teretiuscnli, lev: videtur dextrorsum volubiles. Folza 
alterna cl Haag utrinque viridia, ovato-elliptica, basi 

ata vel tru truncata, 2 apice subito sacasieanna acuminata, apice 
ipso rotundato, 112 em. longa, 8 cm, lata, margine rigido hya- 

