Materials Jor a Flora of the Malayan Peninsula. 245 



II, 285. Mimosa natans Roxb. Cor. PI. t. 119; Horfc. Beng. 40 ; Fl. 

 Ind. 553. Desmanthus natans Willd. Sp. PI. lY, 1044 ; DC. Prodr. II, 

 444; Wall. Cat. 5295; W. & A. Prodr. 270. D. lacustrisBC. Prodr. 

 II, 444. D, stolonifer DC. Prodr. II, 444. 



Penang ; Bagian Jumal, Curtis ! Pkov. Wbllesley ; Bnttevworth, 

 King ! 



62. Xylia Benth. 



Tall unarmed tree. Leaves bipinnate. Flowers in ronnd heads, 

 mostly perfect. Calyx tubular, 5-tootlied at the tip. Petals 5, valvate, 

 slightly united at the base, little longer than the calyx. Stamens 10, 

 free, exserted ; anthers gland-crested in an early stage. Ovary sessile, 

 many-ovuled ; style filiform, stigma minute terminal. Pod large, woody, 

 oblong-falcate, finally dehiscing, flat, septate between the oblong com- 

 pressed seeds. — A single species. 



Xylia dolabriformis Benth. in Hook. Journ. Bot. IV, 417. A 

 tree 80-100 feet high, unarmed. Leaves 2-pinnate ; pinnae two, terminal 

 on a rachis or petiole 1-2 in. long ; leaflets 2-4 pairs, diminishing 

 downward and with below the last pair on tlie outside a small unop- 

 posed leaflet ; rachis of pinnae 8-4 in. long with a gland on the upper 

 «ide between the bases of each pair of leaflets ; terminal leaflets 3-6 

 in. long, 1 '25-2 5 in. wide, lowest pair 1;25-15 in. long; all oblong 

 with acute apex and rounded base, subcoriaceous, glabrous on both 

 surfaces; petiolule '1 in. long, Ivjlorescerice oi very dense globose heads 

 •5-" 75 in. in diam. ; peduncles puberulous 3 in. long, slender, thickening- 

 in fruit, crowded on short puberulous branchlets developed with the 

 young leaves. Calyx tubular 2 in. long ; teeth 5, valvate. Corolla 

 cream-coloured, "25 in. long, petals slightly cuneate at base, valvate, 

 lanceolate. Stamens 10, filaments free, exserted, '5 in. long, young 

 anthers very minutely gland- crested. Ovary sessile, many-ovuled. 

 Pods large woody, oblong- falcate, flat, ultimately dehiscent, 4-6 in. long, 

 1-2-5 in. wide, 'SS in. thick, septate between the seeds. Seeds 6-10, 

 broadly ovate, much compressed, '65 in. long, '5 in. wide, 'J in. thick j 

 testa brown, shining, smooth. Bedd. PI. Sylvat. t. 186; Miq. Flor. Ind. 

 Bat. I, 42 ; Bak. in Flor. Brit. Ind. II, 286. Mimosa xylocarpa Roxb. 

 Cor. PI. t. 100; Hort. Beng. 40; Fl. Ind. II, 543. Inga xylocarpa DC. 

 Prodr. II, 439; Wall. Cat. 5277 ; W. & A. Prddr. 269. J. lignosa Grab, 

 in Wall. Cat. 5278. L dolabriformis Grah. in Wall. Cat. 5279. 



Singapore ; Wallich 5279. Distrib. India, Indo-China, Philippines. 



63. Leuc-JJNa Benth. 



Unarmed erect trees. Leaves bipinnate. Flowers sessile, in dense 

 globose heads, 5-merous, usually perfect. Calyx cylindrical-campanulate 



245 



