1876.] Knowledge of the Burmese Flora. 277 



* Standard without basal callosities. 



x Flowers in simple or almost simple racemes. 



+ Pods lanceolate, acuminate or acute at both ends. 



Erect tree ; leaflets almost acute, mucronate, D. roiusta. 



Scandent shrub ; leaflets notched, D scandens. 



+ + Pods oblong or orbicular, with rounded ends. Scandent shrubs. 



All parts, also the pods, glabrous, I), uliginosa. 



Pusty pubescent ; pods pubescent, , D. elegans. 



x x Flowers racemose, collected into panicles. 

 Scandent, glabrous ; pods sinuatcly constricted between the seeds ; corolla \ in long, 



. . D . sinuata . 



* * Standard with 2 basal callosities (Paraderris, Miq.) 



Scandent, young shoots densely silk-hairy ; flowers 10 lin. long ; ovary villous, B. elliptica. 

 Subg. 2. Aganope, Miq. (Dipteroderris, Bth.) Standard equally narrowed at 

 the base and without callosities. Stamens monadelphous, or the vexillary one free. 

 Pods more or less distinctly winged at both sutures. 

 Scandent, glabrous ; lateral nerves beneath very faint, immersed, D. amoena. 



1. D. kobusta, Bth. in Linn. Proc. IV. Suppl. 104. (Dalbergia 

 roiusta, Eoxb. Hort. Beng. 53 ; DC. Prod. II. 417 ; Wight Icon. t. 214 ; 

 Dalbergia Krowee, Eoxb. Fl. Ind. III. 229). 



Hab. Not unfrequent in the upper and lower mixed forests of Pegu ; 

 Ava ; also Andamans. — Fl. Apr. 



2. D. scandens, Bth. in Linn. Proc. IV. Suppl. 103 ; Hf. Ind. Fl. 



II. 240. (Dalbergia scandens, Eoxb. Corona. PI. II. t. 192 and Fl. Ind 



III. 232 ; Bracliypterum scandens, WA. in Wight Icon. t. 275). 



Hab. Frequent in the tidal and swamp-forests, but also entering the 

 savannah-forests, of the alluvial lands, all over Burma, from Chittagong, 

 Prome, and Martaban down to Tenasserim aud the Andamans. — Fl. Jun. 

 Jul. ; Fr. CS. 



3. D. uliginosa, Bth. in PI. Jungh. I. 252. and in Linn. Proc. IV. 

 Suppl. 107. (Pongamia uliginosa, DC. Prod. II. 416 ; Hook Bot. Misc. III. 

 301. suppl. t. 41 sub P. religiosa and P. tripliylla ; Galedupa uliginosa, 

 Eoxb. Fl. Ind. III. 243). 



Hab. Frequent in the tidal forests and in low littoral lands, from 

 Arracan down to Tenasserim and the Andamans. — Fl. March, May ; Fr. 

 ES. 



4. D. elegans, Bth. in PI. Jungh. I. 252 in adn. and in Linn. Proc. 



IV. Suppl. 109. 



Hab. In the swamp-forests of the Irrawadi in Pegu, and along mar- 

 shy streams in Tenasserim as far south as Mergui. — Fl. Febr. March. 



5. D. sinuata, Thw. Ceyl. PL 93 ; Bth. in Linn. Proc. IV. Suppl. 

 113. (D. polgarthra, Miq. Suppl. Fl. Sumatr. 298). 



Hab. Not unfrequent in the tidal forests and in the beach-jungles of 

 Pegu and Tenasserim. — Fr. Nov, Decb. 



