884 cxix. LOUANTHACEiE (sprague). [LoruTithus, 



195. L. luluensis, Engl, in Engl. Jahrh. xx. 128, t. 8, fig. F. 

 Glabrous. Internodes about 2 in. loDg. Leaves oblong, apparently 

 acuminate to the apex, obtuse at the base, about 4 in. long and 2 in. 

 broad, coriaceous, dull ; lateral nerves 3-4 on each side, spreading, 

 anastomosing far from the margin ; petiole o-5 lin. long. Umbels 

 12-iy-flowered ; peduncle 8-10 lin. long ; pedicels 3J-4 lin. long; bract 

 ovate-cupular, truncate or retuse, very slightly umbonate on the lower 

 half, dorsal margin nearly \ lin. long, ventral margin \ lin. long. Re- 

 ceptacle \-% lin. long. Calyx cupular, |-J lin. long, irregularly 4-lobed ; 

 intramarginal ring small. Corolla about 9^ lin. long, red, broadened 

 in the lower third, upper quarter clavate in bud ; lobes subspathulate- 

 linear. Filaments 5 lin. long, tapering upwards, tooth f lin. long; 

 anthers oblong-linear, 1 J- If lin. long; connective rounded or sub- 

 truncate, produced \ lin. above the cells. Disc tetragonal, hardly 

 lobed, \ lin. high. — Ischnanthus luluensis, Van Tiegh. in Bull. Soc. Bot. 

 France, xhi. 260. 



Soutti CentrAl. Bclg:irtn Courro: Luhia Kiver, To(jge, 140i! 



196. L. Lecardii, Engl, in Engl. Jahrh. xx. 12.S. Branchlets 

 slender, glabrous, blackish in a young state, pallid in the adult state ; 

 internodes 1-1 J in. long. Leaves opposite, elliptic-lanceolate or elliptic, 

 obtuse or rounded at the apex, often apiculate, cuneate into the base, 

 1^-2^ in. long, 7-11 lin. broad, thinly coriaceous, glabrous; lateral 

 nerves oblique^ slightly raised on both surfaces; petiole lJ-2 lin. long. 

 Umbels 5-9 -flowered ; peduncle 4-.*) lin. long; pedicels 1^-2 lin. long ; 

 bract narrowly ovate from a saucer-shaped base, doi-sal margin J lin. 

 long, ventral margin \ lin. long. Keceptacle \~l lin. long. Calyx 

 truncate, \ lin. long. Corolla 1 in. long, tetragonal in bud, slightly 

 enlarged above and below, angles ribbed, formed by the midribs of the 

 corolla-leaves ; lobes broadly V-shaped in transverse section. Filaments 

 inserted 3| lin. above the base of the corolla, linear, 5 lin. long, grooved, 

 much thickened at the base, produced \ lin. above the insertion of the 

 tooth, tooth slightly bifid, over J lin. long ; anthers linear, 3 lin. long ; 

 connective rounded, produced beyond the cells. Disc J lin. high, 

 circular, not lobed. — Isc/nianthns Lecardii ^ Van Tiegh. in Bull. Soc. 

 Bot. France, xhi. 260. 



Upper Cuinea. Senegamhin. ht'card, 180! ]93! 



In L. Lecardii the angles of the hud correspond to the midribs of tlic corolla- 

 leaves ; in the other species belonging to section Ischnanthus the angles correspond 

 to the lines of junction of the corolla-leaves. 



197. L. heckxnannianus, Eiigl. in Eiu^l. Jahrh. xxviii. 384. 

 Young parts densely pilose ; adult branchlets nodose, greyish, puberu- 

 lous or eventually glabrous ; flowering branchlets axillary, short, leafy, 

 perulate at the base. Leaves opposite, oblong or oblong-ovate, rather 

 obtuse at the apex, \\-^\ in. long, J-1 in. broad, margin somewhat 

 undulate, midrib prominent on the lower surface only ; petiole J lin. 

 long ; leaves of the flowering branchlets subsessile, 3-8 lin. long, 3-3 J 

 lin. broad, pilose on both surfaces, the lowermost smallest, suborbicular. 



