128 Lxxxiv. APOCYNACE.E (stapf). [Calocrcder, 



20. CALOCRATER, K. Schum. iu Engl. & Prantl, Pflanzenfam. 

 iv. ii. 175, fig. 58, S-T. 



Calyx rather small, herbaceous; sepals ovate-lanceolate, acuminate, 

 imbriri,te, with minute glands at the base. Corolla funnel-shaped- 

 campnulate; tube cyUndric and slender at the base, then widened, 

 without appendages in the throat ; lobes short, very broad and oblique, 

 overlapping to the left not inflexed in bud. Stamens inserted at the 

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

 free from the stigma, oblong, acute, shortly 2-lobed at the base ; lobes- 

 subobtuse, empty at the base ; filaments reduced to a callous glabrous 

 swelling. Disc annular, fleshy, adnate to the ovary. Carpels 2, free 

 except at the very base ; style filiform ; stigma cylindric, slightly 

 grooved, viscous, minutely apiculate, without an appendage or rim at 

 the base, reaching to the base of the anthers; ovules numerous, pluri- 

 seriate. Fruit unknown. — An undershrnb, producing erect, sub- 

 herbaceous shoots from a creeping rhizome. Leaves opposite, subsessile, 

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

 secreting some resin, without external glands (?). Flowers large, in 

 sessile bi-acteate few-tlowered axillary (pseudo-axillary ?) clusters. 



Species 1, endemic. 



1. C. Preussii, A". Schum. inEngl. (L-Pra7itl,Pjianzenfain. iv. ii. 175, 

 fiy, 58, S-T. An undershrub, producing erect shoots, ultimately woody 

 at the base and 2-3 ft. high, from a creeping rhizome, glabrous in all parts ; 

 stems terete with prominent lines on the sides alternating with the leaves. 

 Leaves subsessile, oblong to lanceolate-elliptic, acuminate, acute or sub- 

 acuminate at the base, 4-7 in. long, 1J-2J in. broad, pale green, herba- 

 ceous; secondary nerves 8-12 on each side, oblique ; veins obscure. Flowers 

 in few-flowered dense sessile axillary (pseudo-axillary ?) clusters ; bracts 

 ovate, acute to caudate, up to 2 lin. long, herbaceous. Sepals ovate to 

 ovate-lanceolate, acuminate, 2-3 lin. long, herbaceous, with several 

 minute basal glands within. Corolla white; tube over 2 in. long, 

 slender, cylindric up to 8 lin. above the base then funnel-shaped- 

 campanulate, about | in. wide at the mouth, quite glabrous except for 

 a minute tuft of hairs below each anther ; lobes somewhat asymmetric, 

 about 7 lin. long, 8-9 lin. broad. Stamens inserted 7 lin. above the 

 base, 2J lin. long. Style 4 J lin. long, filiform ; stigma cylindric, 2 lin. 

 long, minutely apiculate. 



Tipper Guinea. Cameroons : Kombu Niugu, Preiiss, 74 ! 



21. CRIOCERAS, Pierre in Bull. Soc. Linn. Paris, 1897, 1311. 



Calyx middle-sized, herbaceous ; sepals 5, free, unequal, ovate- 

 lanceolate, acuminate, each with several batal glands within. Corolla- 

 tube slender and cylindric to above the middle, then funnel-shaped- 

 campanulate or campanulate, without appendages ; lobes broad, ovate- 

 oblong, overlapping to the left, not inflexed in bud. Stamens inserted 



