﻿462 PEDALiNEiE (Stapf). [Sesamum. 



Douglas, Orpen, 231 ! at Griqua Town, BitrcheU, 1939 ! Orange River Colony; 

 Vet River, Burlce ! Transvaal ; Magalies Berg, Zeyher, 1202 ! near the Elands 

 River, Rehiiiann, 4981 ! near Lydenburg, Wilms, 1070 ! 



Distribution as for the genus. 



VI. CERATOTHECA, Endl. 



Calyx small or middle-sized, 5-partite, suboblique. Corolla 

 obliquely subcampanulate ; limb very oblique, porrect, obscurely 

 2-labiate ; lowest lobe by far the longest. Stamens subdidynamous, 

 inserted low down in the corolla-tube, not conniving ; filaments 

 slender, filiform ; anthers dorsifixed, cells parallel, dehiscing longi- 

 tudinally to the base. Disc annular, equal. Ovary 2-celled ; cells 

 almost divided to the apex by a spurious septum ; ovules numerous, 

 1 -seriate in each division. Capsule oblong, compressed at right 

 angles to the septum, loculicidal more or less towards the base, each 

 carpel produced into a short spreading horn at the apex. Seeds 

 numerous, compressed, obovate. 



Annual, erect or procumbent herbs ; leaves membranous, petioled, dentate 

 or crenate; flowers solitary in the axils of the leaves on short pedicels, rose, lilac 

 or yellow. 



DiSTRiB. Species 5, natives of Tropical and South Africa. 



1. C. triloba (E. Meyer ex Bernh. in Linnsea, xvi. 29) ; stems 

 erect, up to 6 ft. high, simple or branched, obtusely quadrangular, 

 pubescent to villous ; leaves polymorphic, lower long petioled, from 

 broadly ovate-cordate or almost rounded to broadly triangular and 

 3-lobed with the lateral lobes spreading, li-6 in. long and broad, 

 coarsely crenate, more or less pubescent to subvillous, particularly 

 below, upper leaves narrower, shortly petioled, passing into the 

 ovate-lanceolate or lanceolate, sparingly crenate or entire bracts ; 

 lower petioles 2-5 in. long; flowers opposite in a long loose raceme 

 up to 1 ft. long; pedicels very short; calyx 3-6 lin. long, densely 

 hairy ; segments lanceolate ; corolla lilac with purple streaks in the 

 throat and on the lowest lobe, 2-3 in. long ; lowest lobe ovate, 

 2-3 lin. long; capsule 8-11 lin. long, 2i lin. broad, loosely pubes- 

 cent to subvillous ; horns about 2^ lin. long, much compressed at 

 the broad base ; seeds slightly over 1 lin. long, margins smooth, 

 faces wrinkled. Bot. Mag. t. 6974. C. lamiifolia, Engl. Jahrb. 

 xix. 156. Sporledera triloba, Bernh. I.e. 42; DC. Prod'r. ix. -lo'i; 

 Card. Chron. 1887, ii. 492, fig. 99. S. kratmeana, Bernh. I.e. ; 

 DC. I.e. 253. Sesamum lamiifolium, Engl. Jahrh. x. 256. 



Kalahari Region : Bechuanaland ; between Mafekiug and Ramoutsa, 

 Lugard! Ghue Vley, Burchell, 2389! Transvaal ; uear Lydenburg, Wilms, 

 1071 ! Atherstone .' near Barberton, Qalpin, 798 ! Wonderboom Poort, near 

 Pretoria, Rehmann, 4521 ! 



Eastern Region : Pondoland ; between Umtata River and St. Johns River, 

 nrerje! Natal; uear the Umlaas River, Krauss, 179! near Durban, Wood, 

 250 ! and m MacOuian ^ Bolus, Herb. Norm., 1018 ! Plant, 4 ! 14 I Inanda, 



