CaUlchilia.] Lxxxiv. apocynace^ (staff). 131 



Corolla-tube 1-1^ in. long, staminiferous at or l)elovv 

 the middle. 

 Corolla-tube very gradually imrrowed below tlie 

 stamens, subcylindric to fumiel-sliaped above. 

 Corolla-tube very slightly widened or almost cylin- 

 dric throughout; lobes longer tlian the tube, 

 rather narrowed towards the base ; leaves 

 obtuse to subacute at the base . . . 2. C. Mannii. 



Corolla-tube funnel-shaped from the stamens up- 

 wards ; lobes as long as the tube (or almost 

 so), very broad ; leaves rounded or sub- 

 cordate at the base . . . . . 3. C. incequalcs. 

 Coi'olla-tube more or less abruptly constricted below 

 the stamens, subcylindrical above, usually 

 gradually and slightly contracted betweeii the 

 mouth and the stamens . . . . . 4. C. sub.^essili.s. 



'""*^Hedeanthera. — Filament reduced to a large broad- 

 elliptic fleshy disc, adpressed to the back of the 

 antlier. Stigma clavate, with a 5-grooved 

 thickening at the base 5. C. Barteri. 



1. C. monopodialis, Stapf. A glabrous, erect or decumbent 

 shrub, 3-7 ft. high ; branches slender, terete, greenish. Leaves petioled, 

 oblong to oblanceoiate, acuminate (acumen short or up to J in. long, 

 acute), acute or cuneate at the base, 6-11 in. long, 1J-3J in. broad, 

 herbaceous; secondary nerves 7-10 on each side, oblique; petiole 3-7 

 lin. long. Inflorescences shortly peduncied, pseudo-interaxillary, very 

 dense ; rhachis at first very short, then lengthening and covered below 

 with the persistent bracts and large scars of the fallen flowei-s ; peduncle 

 up to 5 lin. long ; braets ovate, acute or acuminate, up to 3 lin. long ; 

 pedicels up to 2 lin. long, bracteolate. Sepals oblong to lanceolate, 

 unequal, acuminate or acute, 3-6 lin. long. Corolla snow-white ; tube 

 up to more than 2 in. long, very slender in the losver two-thirds, then 

 suddenly widened, but still cylindric for 4-6 lin., then shortly funnel- 

 shaped, with hairy lines within below the stamens ; lobes very broad, 

 obliquely obovate and acuminate, 1 in. long and almost as broad. 

 Stamens inserted 1 J in. from the base ; anthers 2 J lin. long. Style 

 1 J in. long. — Taherncemontana monopodialis, K. Schum. in Engl. Jahrb. 

 xxiii. 225. 



upper Guinea. Cameroons : Yaunde, in shady forests, Zenker ^- Staudi, 

 76 ! 629 ! Bipinde, Zenker, 481 ! 1292 ! Barombi, Freuss, 310 ! Johann Albrecht- 

 shohe, Staudt, 832 ! 



2. C. Mannii, Stapf. A scandent shrub, up to 20 ft. high ; 

 branches slender, terete, greenish. Leaves shortly petioled, oblong to 

 elliptic or oblanceoiate, abruptly and acutely acuminate, obtuse or sub- 

 acute at the base, 4-8 in. long, lJ-3 in. broad, papery ; secondary 

 nerves 7-8 on each side, oblique, curved ; veins loosely reticulating, 

 usually slightly raised below; petiole up to 3 lin. long, sometmies very 

 short. Inflorescences few- to 10-flowered, with usually only 1 tiuwer 

 out at a time, racemiform, on very slender pseiulo-tixillary or obviously 



