350 



Panicles dense, their branches virgate ; radical leaves oblan- 

 ceolate— S. Africa. 13. C. Krebsii. 



Section 5.— Plocandra. Calyx 5-sect ; corolla-tube very short, 

 limb large, campanulate ; anthers usually distinctly spirally 

 twisted ; ovary acute, ovoid. 



Radical leaves subrosulate, persisting ; panicle-branches erect 

 or ascending : 

 Stem-leaves nearly or quite as long as internodes ; primary 

 peduncles short, never over ^ in. long, usually much shorter ; 

 leaves linear— Trop. Africa ; S. Africa. 14. 0. humilis. 



Stems simple ; radical leaves lanceolate ... a. humilis, typica. 



Stems more robust, often branched upwards ; 



radical leaves narrow-obovate /3. var. Wilmm. 



Stem-leaves shorter than internodes ; primary peduncles 

 never under \ in. long : 

 Stem-leaves oblong or lanceolate, semi-amplexicaul — Trop. 

 Africa. 15. C. erythraeodes. 



Stem-leaves lanceolate or linear, base cuneate — Trop. Africa. 



16. G. Baumiana. 



Radical leaves vanishing ; primary peduncles never under \ in. 

 long :— 



Panicle-branches erect or ascending— S. Africa. 



17. G. parpurascens. 



Leaves obovate to lanceolate; flowers 1 in. 



across, all 5-merous a. purpurascem, 



typica. 

 Leaves larger, oblong ; flowers 1 in. across, on 



secondary branches sometimes 4-merous ... /3. var. Tysonii. 

 Flowers larger, 1* in. across y, var. impedita. 



Panicle-branches spreading : — 



Stem-leaves usually nearly or quite as long as internodes, 

 ovate-lanceolate or lanceolate, base cuneate : — 

 Anthers distinctly spirally twisted— Trop. Africa. 



18. G. angolensis. 



Anthers little twisted, markedly sagittate at base— Trop. 

 Africa. 19. c. Verdickii. 



Stem-leaves much shorter than internodes, wide-ovate, base 

 rounded or cordate— Trop. Africa. 20. C. laxiflora. 



Section 6.— Hippochiron. Calyx 5-sect ; corolla-tube eylindric, 

 narrowed under limb; anthers straight or rarely distinctly 

 spirally twisted ; ovary acute, ovoid. 



Leaf -bases rounded or cordate : 



Stems erect, strongly angular; branches ascending; calyx 

 longer than the corolla-tube ; anthers distinctly spiral— 



S. Africa. 



21. C. Peglerae 



Stems decumbent, terete; branches spreading; calyx not 

 longer than corolla-tube ; anthers straight— S. Africa. 

 T £ , 22. G. peduncular is. 



Leaf -bases cuneate ; anthers straight :— 



• Ste l ms ere ?t, leaf-margins smooth :— 



Stems simple or sparingly virgately branched above ; leaves 

 and tlowers large— S. Africa, 23. C.jasminoides. 



