38 Journal of the Asiatic Society of Bengal. [January, 1914. 



Var. vera. Folia ovata, tenuia, infra glaucissima, siccitate rufes 

 centia. 



Var. longifolia. Folia lanceolato-ovata, ad 12 cm. longa, ad 4 cm. 

 lata. 



Var. tenuifolla. Folia lineari-lanceolata vel lanceolato-sagittata 

 tenuissima. 



Varietas grisea in Tenasserim, et per Peninsulam Malaicam et raro 

 in insulis Sumatra Javaque reperitur, ubi versus D. pynfoliam transitum 

 praebet. Varietas salicifolt a est D. saXicifolia, Blume, et D. gracil- 

 lima, Ridley : in iisdem regonibus reperitur, nee non in Borneo. 

 Varietas hastifolia Andamaniea est (Rogers, 278 !). Varietas vera per 

 Indiam occurrit, nee non in Indo-China et regno Siam. Varietas 

 longifolia reperitur in China australi (Henry, 13540 !), et in Indo-China 

 (Balansa, 298 ! 301 ! Thorel, 287 !). Variety tentjtfolia burmanica est 

 (Kurz, 2G31 ! Burkill, 22656 !). 



96. D. vexans, Prain et Burkill, in Jo urn. Asiatic Soc. 

 Bengal, iv (1908), p. 446. Andaman islands where it gener- 

 ally replaces the common Indian D. glabra. 



97. D. BRGviPEriOLATA. Apparently common in Indo- 

 China. 



D. brevipetiolata. Tuber ignotum. Caules asperi, glabri, striati. 

 Folia ovata, acuminata, oppoaita, glabra, marginata, ad 10 cm. longa, 

 ad 3 5 cm. lata, 5-nervia : area media a nervorum lateralium pare 

 primo terminata anguste obovato « Uiptica : venae secundaria interrupte 

 trajectcB, parum conspicuse : petiolus brevis, 1 cm. longus. Flores 

 maris in spicas 1 cm. longas dispositi: spicie ipsse in ramos aphy- 

 llos longos composite: axis zigzag, glaber, angulatus : bractese ovatas 

 acuminata-, rufo maculatse : bracteolse similes, minores. Alabastra 



ubglobosa Sepala ovatorotunda, obtusissima, 1 25 mm. longa, copiose 

 rufo lineolata. Petala multo minora, crasaiora, obovata, 75 mm longa. 

 Stamina 6, potalis aaqualia: antherse filamenta sequantes. Flores 

 fcernin i in spicaa singulas vel binas dispositi : spicse ipsse in ramos 



iphyllos breves compositse: bractese ovato-lanceolatae, acutte. Sepala 

 triangulari-ovata, crassa. Petala suborbicularia, breviora. Staminodia 



perminuta. Capsular parvae, glabra, breviter pedicellate, supra 

 cordatas: alse latiores quam semicirculares, 15 mm. longae, 13 mm late, 

 pallide rufo- asperse. 



C chin-China inferior, et Camb >dia, et Siam. In provincia 

 Bienhoa Cochinchinensi ad Vri-an, {Lecompte & Finet, 1982!), ad Dayl- 

 ong, (Pierre, 7090 !), ad Tay-ninh, (Pierre, 6697 !)• In provincial Baria 

 monte Dinh, (Pierre, (5698 !). Ad Phanrang, (Lecompte & Finet, 1485 !), ad 

 Ou-yiem, (Lecompte & Finet, 1926!). In insula Pulu Condore, (Germain, 

 49!). In insula Phu-quoc Cambodiensi ad Dabac, (Ooiefroy, 849!). Ad 

 \a*ng-kaw, Sriracha, in litore siamenai, Kerr, 2047 !). Typi prsecipue in 

 herbario ad Lutetias Parisiorum, necnon ad Kew conservantur. 



98. D. Bekthamii, Praia et Burkill, in Journ. Asiatic 

 Soc. Bengal, iv. (1908), p. 449. Hongkong. 



99, D. myriantha, Kunth, Enum., v. (1850), p. 382. 

 />. filiforrnis, Blume, Enum. Plant. Jav., i. (1827), p. 22, very 

 inadequately described. D. salicifolia, Uline in Mededeel. van 

 s'Lands Plantentuin, xix. (1908), p. 312. Java, Celebes, the 

 Moluccas altid the Philippine islands. 



