Rauwolfia] LXXIII. APOCYNACE.E 457 



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

 extending be}-ond the tropics in South Africa. 



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



1. R. serpentina, Benth. (Ophioxylon serpentinum, Wight Ic. t. 849). Subhimalayan 

 tract from Sirhind eastwards, ascending to 2,000 ft. Andamans. Lower Burma. 

 common. Western Peninsula. Ceylon, moist region, common. A small shrub, in a 

 rich soil climbing (Roxburgh). L. lanceolate, blade 4-7, pet. J in. long, sec. n. 8-10 

 pair. Peduncle 2-5 iu., pedicels and calyx bright red, fl. white. 1 in. lung, disk lobed. 

 Drupes in pairs or single, black, J in. diam. 2. R. peguana, Hook. f. Pegu. Tenas- 

 serim. (Donat pass at 5.M00 ft. D. B. April 1859. named by Kurz Tabermemontana 

 ophiorrhizoidea.) Upper Burma (Collet t 645). L. often opposite, wborled in the Upper 

 Burma specimens, from elliptic-lanceolate to obovate, acuminate, blade 3-6, narrowed 

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

 e\ 3, disk cup-shaped entire. 



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



3. R. densiflora, Benth. {Ophioxylon neilgherrense and O. ceylanicum, Wight Ic. t. 

 1292, 129] : O. densiflorum, Thwaites; Bedd. Manual t. 20). Khasi hills. "Western 

 < ■ 1 1 : 1 1 s and adjoining hill ranges from the Konkan southwards. Ceylon, ascending to 

 6,000 ft. A large shrub, branches densely lentieellate, 1. oblanceolate. blade 6-9, pet. 

 .1 in., sec. n. arching, 10-15 pair. Fl. pink or white, J in. long. Drupes free, in pairs 

 or single, scarlet, ellipsoid, J-A in. loug. B. decurva, Hook. f. Poona, Konkan. North 

 Kanara, with short recurved peduncles is regarded by Talbot as a variety. 4. R. 

 micrantha, 1 [i « >k. f. Malabar. Fl. J in., drupes short, connate to the middle, J in. broad. 

 5. A. Beddomei, Hook. t.(Tabernmmontana verticellata, Bedd. Man. t. 20). Tinnevelli 

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

 small white H. 



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



Shrubs, often climbing, 1. often 3-4-nately whorled, sec. n. numerous, faint, 

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

 cylindric, anthers lanceolate, base of cells rounded. Carpels of ovary distinct, 

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

 20, extending to Australia and Polynesia. 



1. A. fascicularis, Benth. Khasi hills. Vun/.alin, 3,000 ft., Martaban (D. B. March 

 1880). A large, woody, almost em irely glabrous el imber, I. coriaceous, elongate-ellipl ic, 

 shortly acuminate, blade 4-5, pet. ', in. lone, upper side shining. Cymes axillary, 

 shortly peduncled, glabrous or pnherulous, cor, i| la-tube J in. long. Drupes ellipsoid- 

 cylindric :; in., on stalks J— j in. long, supported at i he base of the stalk by the persistent 

 calyx. Gynopogon sletlatum, I .a hi II. ; Kurz F. Fl. ii. 176, a climber on the rocky shores 

 of Tenasserim and i In- Andamans, corolla-l ube A in. long, is an Alyxia, but imperfect ly 



known. 



2. A. gracilis, Benth, Sikkim Terai. Khasi hills. Twining, panicles spreading, 

 axillary. 3- I in. lone, peduncles and branches very slender, corolla ; ,', in. lon L -. 



Hunteria corymbosa, Roxb. : Wighl [c.t. V28{ff.zey1anica,Quri.; Bedd. PI. Sylv.t. 265 ' 

 //. Hoacburghiana, Wight [c. t, L294; Oynopogon lanceolatum, Kurz). Courtallum 

 Tinnevelli Ghats. Tavoy. Malaj Penins. Ceylon. A -mall tree, -n 1 hard, close- 

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

 Blade I 6, pet. | in., sec. n, numerous, slender, I'd. yellow, in axillary or terminal 



pedunculate umibellifor ymes, corolla-tube A, in. lobes shorter than tube. Carpels 



dist it at. 2 | ovules in each, stj le filiform, top thickened. Etipe carpels orange-coloured, 

 globose, stipitate, 2-seeded, A | in. diam. 



.".. CERBERA, Linn.: Fl. Brit. Ind. iii. 637. 



Species I. si-si coast of Madagascar, tropical Asia and the I'aeilic islands. 



C. Odollam, Guertn.; Wight [c. t. 111. Vern. Dakur, Dabur, Sundr. 

 Sukanu, Mar.; Othalam, Mai.: Ealtca, Burm. 



A shrtili 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 oblanceolate, blade 6 12, narrowed into peti.de 1-1. V 



