522 xcv»i. bignoniace-e (sprague). [Nexvbouldia. 



Lower Guinea. Island of St. Thomas, Welwitsch, 1259 ! Gossiveiler, 134 ! 

 Moller. Gaboon : Munda : Sibange Farm, Sogaux, 421 ! 



South Central. Congo Free State : Dyema Lianga ; Campi, Cobra ; 

 Lukungu, Laurent. 



6. MARKHAMIA, Seem. ; K. Schum. in Engl. & Prantl, Pflanzenfam. 



iv. 8 B. 242. 



Calyx opening late in bud, spathaceous, split clown the posticous side, 

 boat-shaped in outline, more or less cuspidate or uncinate at the apex. 

 Corolla funnel-shaped or campanulate-f unnel-shaped ; limb bilabiate ■ 

 lobes spreading. Stamens 4, didynamous, included ; anther-lobes 

 attached at the apex, tapering towards the base, divergent. Disc 

 annular or cupular. Ovary oblong; ovules 4-6-seriate in each cell. 

 Capsule linear ; valves flat or nearly so; true septum very small, bearing 

 in its middle a much larger false septum parallel to the valves. Seeds 

 oblong, winged at the ends. — Trees and shrubs, with opposite, simply 

 imparipinnate leaves, and terminal or lateral panicles or racemes ; 

 corolla yellow with chocolate or red stripes, or greenish-yellow with 

 purple spots and brownish-purple lobes, rarely lilac. 

 Species 12, 2 of them Asiatic. 

 Pseudostipules orbicular, foliaceous. 



Corolla lj— If- in. long; lobes brownish-purple; tube 

 purple-spotted. 

 Adult leaves pubescent on both surfaces . . 1. 31. puberula. 



Adult leaves not pubescent. 



Pedicels 2-4 lin. long ; inflorescence terminal 

 or both terminal and axillary. 

 Inflorescence a rather strict raceme of 3- 

 liowered cymes ; seeds under |- in. long, 



with a nearly square nucleus . . 2. M. stenocarpa. 



Inflorescence a loose panicle of 3— 7-flowered 

 cymes; seeds 1— If in. long, with an 

 oblong nucleus . . . . .3. 31. zanzibarica. 



Pedicels 4-7 lin. long; inflorescence axillary . 4. 31. acuminata. 

 Corolla 1|— 2 J in. long, yellow (very rarely lilac). 

 Calyx shortly cuspidate ; filaments densely f nr- 



furaceous at the base . . . . .5. 31. platycalyx . 



Calyx acuminate; filaments pilose at the base. 

 Calyx herbaceous ; corolla-lobes conspicuously 



glandular ...... 6. 31. lutea. 



Calyx membranous ; corolla-lobes inconspicuously 



glandular ...... 7. 31. Hildebrandtu. 



Psendostipules conical or subulate, not foliaceous. 



Lateral cymes sessile ...... 8. 31. sessilis. 



Lateral cymes peduncled. 



Leaflets rounded or subcordate at the base ; pseudo- 

 stipules subulate-acuminate from a broad 

 base, 3-6 lin. long ; capsule velvety-to- 

 mentose ........ 9. 31. lanata. 



Leaflets wedge-shaped at the base ; pseudostipules 

 conical, not acuminate, 2-4-g- lin. long ; 

 capsule finely pubescent or puberulous , .10. 31. tomentosa. 



