232 Materials for a Flora of the Malayan Teninsula. 



•4 in. across. Wall. Cat. 5827, A, B, and C. ; Roxb. Flor. Ind. II, 365 ; 

 Miq. Flor. Ind. Bat. I, 109 ; Bak. in Flor. Brit. Ind. II, 257. 



Penang; Penara Bakit, 700 feet, Curtis 102.1 \ Distrib. Sumatra, 

 Tenasserim. 



Very nearly related to C cinclidocarpa Miq. which differs by its branching in- 

 florescence and its pubescent calyx ; also to G. acanthohotrya Miq. which has 

 shorter, more laxly-flowered racemes and broader leaflets. Mr. Kurz indeed has 

 in Herb. Calcutta proposed to ti-eat C. acanthohotrya as a variety (var. latifolia) of 

 C. tortuosa but the examination of an authentic example of Dr. Miquel's plant leads 

 the writer to believe that it is better, at least at present, to consider it specifically 

 distinct. 



56. Mezoneuron Desf. 



Robnst woody prickly climbers. Leaves abruptly bipinnate. Flowers 

 in ample panicled racemes. Calyx very oblique, usually deeply cleft, 

 with a basal or interfcubal disc, the lobes imbricated, the lowest largest 

 covering the others in bud like a hood. Petals spreading, obovate- 

 spathulate, subequal or the upper smallest. Stamens free, declinate, 

 usually exserted ; anthers oblong, uniform. Ovary sessile or shortly 

 stipitate, declinate, few- or raany-ovuled ; style filiform, stigma small, 

 capitate, the margin often fringed. Pod large, tbin, oblong, flat, indehis- 

 cent, with a broad wing down the upper suture ; seeds compressed, 

 orbicular, cotyledons flat, radicle straight. Species about 15 ; all in the 

 tropics of Eastern Hemisphere. 



Calyx deeply cleft, with a wide short tube and a basal 

 disc, the anterior lobe deeply cucullate {Eumezoneuron) : — 



Leaflets opposite, large ; pods 1-seeded ... ... 1. M. cucxdlatum. 



Leaflets alternate, medium to small ; pods several 

 seeded : — 



Leaflets beneath and calyx externally pnbernlous ... 2. M. hyinenocarpum. 

 Leaflets beneath and calyx externally glabrous : — 

 Pedicels puberulous, jointed near base of calyx ; 

 leaflets cuneate at apex ... ... ... 3. 3f. Kunetleri. 



Pedicels glabrous, jointed considerably below base 



of calyx ; leaflets obtuse ... ... ... 4. M. andamanicum.. 



Calyx shallowly cleft, with a narrow long tube and a disc 

 extending above the base, anterior lobe shallowly hooded 

 {Tuhicalyx) ; (leaflets alternate) ... ... ... 5. M. sumatranum. 



SuBGEN. 1. Eumezoneuron ; calyx deeply cleft, disc basal ; lower 

 lobe deeply cucullate. 



1. Mezoneuron cucullatum W. & A. Prodr. 283. A large climber, 

 branches glabrous armed with small dark short recurved prickles. 

 Leaves 6-12 in. long, pinnae 4-10, 6-S in. long ; leaflets 8-10, opposite, 

 rigidly subcoriaceous, ovate-acute, base wide-cuneate slightly unequal, 

 2-4 in. long, 1*25-1 75 in. wide, glabrous on both surfaces, dark-green 

 232 



