2G2 



CXIX. LORANTHACE.E (sPRAGUE). 



[Lwanthys, 



10. CrPULATi. Umbels axillai-y, fascicled, Z-^-flowered, wore rarely many' 

 flotcered ; bract obliquely cupular, or unilaterally developed from a cupular 

 or saucer-shaped base ; flowers pentamerotis, gamopetalous. Calyx cupular. 

 Corolla capitate in bud, angular ; lobes spathulate, revolute. Filaments involute. 

 Anthers cuneale or oblong, not divided transversely. Disc annular, o-lobed. Style 

 skittle-shaped above ; stigma ellipsoid, cushion-shaped or peltate. — Globimetula, 

 7 rtH Tiegh. in Bull. Soc Bat. France, xlii. 264. 



Leaves (or at least some of tliem) several-nerved 



from the base ....... GO. L. anguliflorus. 



Leaves not several-nerved from the base. 



Lateral nerves 2-3 on eaeli side of the midrib and 

 runnin<^ snb-i)arallel with it, arising' below 

 the middle of the leaf. 

 Leaf -base cuneate ; nerves not visible on the 



upper surface ...... 54. L. opacus. 



Leaf-base obtuse or rounded; nerves visible 



on the upper surface . . . . . oo. L. Dinklagei. 



Lateral nerves 4-5 on each side of the midrib, not 

 running parallel with it. 

 Umbels about 20-flowere(J ; stigma cushion- 

 shaped, ^— § lin. in diam. .... 50. L. oreophiltis. 



I'mbels 4-8-fio\vered ; stigma distinctly peltate, 

 1^-1 lin. in diam. 

 Leaves opposite. 



Leaves elliptic or suborbicular, cordate or 

 rounded at the base. 

 Leaves 4-6^ in. long, 2^-4^ in. broad ; 

 bract obliquely cupular, ventral mar- 

 gin suberect . . . . . 57. X. mayomhensis. 



Leaves 1^-4 in. long, H-3 in. broad; 

 bract nnih\terally developed from a 

 saucer- shaped base, ventral margin 

 patulous ...... 



58, L. Braunii and var. 

 Zenkeri. 



Leaves elliptic or ellipiic-oblong, obtuse 

 at the base ...... 



Leaves ovate-oblong, obtuse at the base 



Leaves ovate or ovate-oblong, rounded at 

 the base ...... 



Leaves ternate ...... 



Imperfectly known species of this section 



58. 



58. 



58. 



L. Braunii, var. 



Laurentii. 

 L. Braunii, var. 



Descampsii. 



L. Braunii, var. 

 unguiformis. 



59. L. mweroensis. 

 61. L. cnpulatus. 



11. Laxiflori. Racemes axillary, solitary ; bract unilateral ; flowers 

 pentamerous, gamopetalma. Corolla in bud siihcylindric, densely clothed with 

 r)isty certicillate-bratiched hairs; ttihe not split ii nilate rally ; lobes ascending, 

 patulous above. Stamens inserted above the base of the corolla-lobes ; fllaments 

 erect ; anthers linear, not transver.-ely divided. Style not skittle-shaped ; stigma 

 capitate. — (Edina, Van Tiegh. in Bull. Soc. Bot. Prance, xlii. 249. 



Only species ....... 62. L. erectus. 



12. Ambiqui. Racemes aHllary, solitaj'y or faacicled ; bract unilateral ; 

 ffmvers 2^<^>ifo,ffi^'''ous, gamopetahms. CorflUa-tule narrowly funnel-shaped from a 



