Ikiuirolfla] LXXIII. APOCYNACE.E 457 



ledoiis flat in a fleshy albumen. Species 50, tropics of both hemispheres, 

 extending beyond the tropics iu South Africa. 



A. GoroUa-tube slender, inflated slightly above the middle. 



1. R, serpentina, Benth. (Oi>/<eo,r///o« se r pent inn hu \C ight l(i. t. 849). Subhimalaj^an 

 tract from Sirhind eastwards, asctnidiug tu 2,000 ft. Andamans. Lower Burnaa, 

 coiuimni. AVestPin PeuiuMila. rpyloii, rnoi.si region, conmion. A small bhruh, ina 

 n<*h soil climbiiii:;' (RoxhiTrfi^li). L. laiict'olate, blade 4-7, pet. J in. long, bee. ii. 8-10 

 pair. Peduncle 2-5 in., peclirt^K and ca!yx bright red, fl. white, 1 in. longj disk lobed. 

 DruiK^b in pairs or bingle, black, \ in. diam. 2. R. peguana, Hook. 1 Pegu. Tenas- 

 v*riin. (Don at pa^s at ~ 5,000 ft. I). B. April 1859, named by Ivurz Taherntemontana 

 opliiorrJihoides.) Tipper Burma (Colli^tt (U5). L. often opposite, wborled in the Upper 

 Bnrnia hpecimenb, from elliptic-lanceolate to obovate, acuminate, blade 3-6, narrowed 

 into pet. \ in, long. Fl. \ in. long, in axillary sessile or shortly pedunculate compound 

 cymes, disk eup-bliaped entire. 



B. Corolla-tube wide, inflated below the mouth. 



3. R. densiflora, Benth. {Opltloxtjlon neihihpr reuse and 0. oei/ianic?im, 'Wight le. t. 

 1292, 1291: O. dens{fio7^iim, Thwaites; Betid. Manual t. 20). 'Khasi hillh. '"Western 

 <Uiats and adjoining hill ranges from the Ivonkan southwards. Ceylon, ascending to 

 b,000 ft. A large shrub, bran(dies deubelj^ lenticellate, 1. oblaneeolate. blade 6-9, pet. 

 I in., sec. n. arching, 10-15 pair. El. pink or -white, I in. long. Drupes free, in pairs 

 or single, scarlet, ellipsoid, l-^ in. long. i?. det urrcf, Hook. f. Poona, Konkan. North 

 Ivai'ara, with short recurved peduncles is regard<'d by Talbot as a variet}^ 4. R. 

 micrantha, Hook. f. Malabar. PL I in., drupes short, connate to the middle, \ in. broad. 

 5. A. Beddomei, Hook. i.{Tabet*7icpnionfana verfieellata, Bedd. Man. t. 20). Tinnevelli 

 and Travancore Ghats. Peduncles very slender, diehotomous, bearing racemes of 

 small vhite il. 



4. ALYXIA, Rob, Brown ; Fl. Brit. Ind. iii. 634. 



Shrubs, often climbing, 1. often 3-4:-nately -whorl ed, sec. n. numerous, faint, 

 straight, nearly at right angles to midrib. Corolla small, salver-shaped, tube 

 cylindric, anthers lanceolate, base of cells rounded. Carpels of ovar}^ distinct, 

 style flliform. Drupes 1-seeded or consisting of 1-4, 1 -seeded joints. Species 

 20, extending to Australia and Polynesia. 



1. A. fascicularis, Benth. Ivhasi hills. Yunzalin, 3,000 ft., Martaban (D. B. I^Earch 

 1880). A large, woody, almost entirely glabrous climber, 1. coriaceous, elongate-elliptic, 

 shortly acuminate, blade 4-5, pet. ^ in. long, upper side shining. Cymes axillary, 

 shortly peduncled, glabrous or puberulous, corolla-tube '^ in. long. Drupes ellipsoid- 

 cylindric % in., on stalks |{-| In. long, supported at the base of the stalk by the persistent 

 calyx. Crijnopo(jon sfeiiahan, Labill. : Kurz F. PL ii. 176, a climber on the rocky shores 

 of Tenasserim and the Andamans, corolla-tube | in. long, is an Ali/xict, but imperfectly 

 known. 



2. A. gracilis, Benth. Sikkim Terai. Ivhasi hills. Twining, imnicles spreading, 

 axillary, 3-4 in. long, peduncles and branches very slender, corolla ^-| in. long. 



Hunteria corymbosa, Roxb. ; "Wight Ic. t. 428 (fi". zeylanica^ Gard. ; Bedd. PI. Sylv. t.265 ' 

 H. jRooLhurghlana, "Wight Ic, t. 1294; Gijnopof/on lanQeoJatum^ Kurz). Gourtallum 

 Tinnevelli Ghats. Tavoy. Malay Penins- Ceylon. A small tree, wood hard, close- 

 grained; 1. opposite, thinly coriaceous, shining, from lanceolate to elongate-elliptic 

 blade 4-G, pet. \ in., sec. n. numerous, slender. Fl. yellow, in axillary or terminal 

 pedunculate umbelliform cymes, corolla-tube J in. lobes shorter than tube. Carpels 

 distinct, 2-4 ovules in each, style filiform, top thickened. Bipe carpels orange-coloured, 

 globose, stipitate, 2-seeded, J~| in. diam. 



5. CERBERA, Linn. ; M. Brit. Ind. iii. 687. 

 Species 4, sea coast of Madagascar, tropical Asia and the Pacific islands. 



C. Odollam, Gaertn. ; Wight Ic. t, 441. Vern. Dakur^ DabuTj Sundr. 

 8ttka7}u^ Mar. ; Othalam, MaL ; Kahca^ Burm. 



A shrub or middle-sized evergreen tree, wholly glabrous, wood very soft. 

 Branchlets stout, marked with leaf scars. L. alternate, crowded at the ends 

 of branches, lanceolate or oblaneeolate, blade 6-12, narrowed into petiole 1-1.^ 



