542 xcvu. pedaline.e (stapf). [Pterocliscus. 



Corolla about 1 in. long. 



Leaves spathulate, narrowed from the 



middle downwards . . . . 7. P. Ruspolii. 



Leaves broad-elliptic, shortly cuneate to 



subtrunciite at the base . . . 8. P. Wellbyi. 



Corolla 8-9 lin. long. 



Leaves elongate-oblong, subacute up to 



2.' in. long . . . . 9. P. intermedins. 



Leaves elliptic to obovate-elliptic, 1-H in. 



long ....... 10. P. undulatus. 



Leaves more than 3 times longer than broad, 

 lanceolate 

 Leaves Y'i-2\ in. long, 3-5 lin. broad, long- 



petioled . . . . . . 11. P. angustifolius . 



Leaves 5-9 lin. long, 1-1 1 lin. broad, sub- 

 sessile ....... 12. P. saccaivs. 



Leaves heteromorphic, lowest broad-elliptic, the 



following linear-lanceolate to linear . . . 13. P. Jietero^jhyllus. 



1. P. speciosus, Hook, in Bot. Mag. t. 4117. Tuber globose, up 

 to 2A/ in. in cliam. Stem densely glandular like the whole plant when 

 young, 3-6 in. high. Leaves rather numerous, crowded on the upper 

 part of the stem, linear to linear-oblong, irregularly sinuate-dentate to 

 shortly pinnati-laciniate, rarely subentire, 1J-3 in. long, 2-0 lin. (in 

 cultivated specimens to 9 lin.) wide, gradually narrowed into a short 

 petiole. Pedicels 2-2^ lin. long, slender. Calyx up to 2 lin. long , 

 segments lanceolate, acuminate. Corolla throat villous ; tube symmetric 

 or almost so, gradually widened from above the base to the middle, then 

 slightly constricted and widened again towards the mouth, 1J-2 in. 

 long, bright red-purple; limb 1J-1+ in. across. Filaments bearded at 

 the very base, otherwise glabrous, the longer 5-6 lin. long. Ovule 1 in 

 each cell. Fruit suborbicular, cordate at the base, not or obscurely 

 emarginate at the apex, J-f in. long, including the wings which are 

 1J-24 lin. broad. — Decne in Ann. Sc. Nat. 5 me ser. iii. 335 ; Stapf in 

 Dyer, Fl. Cap. iv.;ii. 456. 



Mozamb. Dist. British Central Africa: Kalahari Desert, south of the 

 Zuga River, McCabe, 5 ! Rhodesia : Shasha River. Rand, 197 ! 



Also in South Africa. 



Francbet (Sert. Somal. 41) indicates P. speeiosus also as collected by Revoil 

 near Tigieh in the country of the Medjourtines (Eastern Somaliland) ; but there is 

 little doubt that the determination is incorrect. 



2. P. Elliottii, Baker. Tuber unknown. Stem moderately glan- 

 dular-mealy. Leaves densely glandular mealy below, very sparingly 

 above, ovate-lanceolate to oblong from a cuneate base, entire or with 

 slightly wavy margins or very sparingly toothed, 1^-2 in. long, up to 

 7 lin. broad ; petiole up to 1 in. long. Pedicels 1 lin. long. Calyx- 

 tube more or less loosely hairy within, 1 lin. long ; segments lanceolate, 

 acute. Corolla wine-reel, passing into yellow below ; tube cylindric 

 and very slender up to the middle then gradually widened into the 

 wide mouth, very slightly asymmetric, 11 J in. long; limb \\ in. across. 



