Crioceras.] lxxxit. apocynace.e (staff). 129 



at the constriction of the tube ; anthers conniving in a cone, subsessile, 

 free from the stigma, linear-lanceolate, acute, subsagittate ; tails sub 

 obtuse, empty, solid ; foot of the connective very short, glabrous, flat ; 

 filaments reduced to a callous glabrous swelling ; filamental ridges 

 Slender, glabrous, slightly prominent. Disc annular, fleshy, adnate to 

 the ovary. Carpels 2, connate at the base ; style filiform ; stigma at 

 the level of the anthers, oblong, 5-grooved, minutely apiculate, without 

 an appendage or rim at the base, very viscous ; ovules numerous, 

 pluriseriate. Mericarps 2, follicular, connate below or almost free, divari- 

 cate, globose or lanceolate-oblong, with 2 lateral keels or wings, thin 

 leathery whe<i dry, tardily dehiscent. Seeds ellipsoid, ventrally deeply 

 grooved, coated with a thin aril ; testa crustaceous ; endosperm horny, 

 deeply ruminated ; cotyledons transverse, flat, thin, much shorter than 

 the radicle. — Erect, glabrous shrubs or climbers. Leaves sessile or sub- 

 sessile, papery; axillary stipules distinct, obtuse, joining around the 

 stem ; glands inconspicuous. Inflorescences pseudo-axillary, long- 

 peduncled, of 2-1 large white fragrant flowers, more or less nodding, 

 supported by hirge foliaceous bracts, forming an involucre. 

 Species 2, endemic. 



Leaves elliptic or obovate-obloug, subobtuse or 

 acuminate, 5-6 in. by 2^-3.] in.; corolla-tube 

 3h in. long . . . . . . . 1. C, dipladeniijlora. 



Leaves pancluriform or obovate- to elliptic-lanceolate, 

 caudate-acuminate, 4-12 in. by 2--5 in. ; corglla- 

 tube 4-5 in. long . . . . . . 2. C. longijlora. 



1. C. dipladeniiflora, K. Schum. in Enyl. d- Prantl, Pfianz&nfam. 

 Ergdnz. Heft i. 56. A climbing or arborescent shrub, up to 10 ft. high ; 

 branches slender, terete, pallid. Leaves sessile or subsessile, elliptic or 

 obovate-oblong, acutely or obtusely acuminate or subobtuse, 5-() in. 

 long, 2J-3^ in. broad ; secondary nerves G-7 on each side; veins rather 

 distinct. Peduncles 1-8 in. long; involucral bracts oblong, obtuse, ;> in. 

 long, over 1 in. broad ; pedicels very short or up to 6 lin. long. Sepals 

 ovate-lanceolate, 4 lin. long. Corolla-tube ?)h in. long, slender and 

 cylindric to about 2 in. above the base, then campanulate ; lobes ovate- 

 oblong, subcordate at the base, 1 J in. long, up to 1 in. broad. Anthers 

 4 lin. long. Carpels connate at the base ; style 1 J in. long. Follicles 

 (semi-mature) spreading at right angles, obliquely lanceolate-oblong, 

 with 2 narrow lateral wings, Ij in. long. — Tabsrnamontcnia dipla- 

 deniiflora, Stapf in Kew Bulletin, 1894, 121. 



Kower Guinea. Gaboon: Munda; Sibangc Farm, iS'o^aj^x, 315 ! 392! 



2. C. longiflora, Pierre in Bull. Soc. Linn. Paris, 1807, 1812. A 

 shrub, up to 9 ft. high ; branches more or less compressed when young, 

 pale green. Leaves sessile, panduriform or obovate or elliptic-lanceolate 

 and long cuneate towards the usually very narrow and often cordate ba.<c, 

 abruptly and long acuminate (acumen up to J in. long, acute), from 1- 

 12 in. long, 2-5 in. broad; secondary nerves G-8 on each side ; trans- 

 verse veins rather distinct. Peduncles l-2i in. long; involucral bracts 

 ovate, long acuminate, 3-5 in. long, up to more than 2 in. broad ; 



