ljj. 140. XCANTHACEAE. 



20. Bracts conspicuous, longer than calyx. Inflorescence congest- 



ed. Corolla tube broad. Capsule 1 — 2 seeded. 



17 ADHATODA 



Bracts inconspicuous, shorter than calyx. Corolla tube long, 



linear. Capsule 4 seeded. 18 RHINACANTHUS. 



21. Bracts rather small. Flowers not appearing as though en- 



closed between two opposite bracts. 19 ISOGLOSSA. 



Bracts longer than the calyx. 2 bracts to the flower, one of 



which belongs to an imperfect second flower. 22. 



22. Stamens inserted at the throat of the corolla. Fruit oblong, 



partition not separating from the valves. 



20 PERISTROPHE. 

 Stamens inserted in the corolla tube. Fruit ovate, partition 

 separating from the valves at maturity. 



22 DICLIPTERA. 



1. THUNBERGIA L.f. (In Grassveld 01 around margins of bush). 



1. natalensis Hk. Coast and Midlands. Shrublet. Shady 



places. 



2. purpurata Harv. Inanda and Zululand. 



3. venosa C.B.C1. ltafamasi, 1,500 ft., and Inanda. Straggler. 



4. hirtistyla C.B.C1. 



5. atriplicifolia EM. Common in grassveld all over. 

 atriplicifolia var kraussi. Common all over. "isiPondo." 



6. aspera Nees. Near coastbelt. 



7. xanthotricha Lindau. Alexandra County. 



8. dregeana Nees. Twiner in coastbelt scrub. Common. 



9. alata Bojer. Coastbelt scrub. Common climber. 

 10. pondoensis Lindau. Climber in coastbelt scrub. 



2. RUELLIA L. (Herbs or undershrubs, mostly around scrub). 



1. baurii C.B.C1. Coast and Midlands. 



2. malacophylla C.B.C1. 



3. ovata Thb. Coastbelt. 



4. patula Jacq. Coastbelt. 



5. woodii C.B.C1. Midlands. 



6. zeyheri T.And. Mooi River. 



3. DYSCHOR1STE Nees. (Mostly around scrub.) 



1. depressa Nees. Coastbelt. 



2. trichocalyx Lindau. Alexandra County, 1,800 ft. 



4. CHAETACANTHUS Nees. (Mostly in Grassveld.) 



1. burchellii Nees. Coast and Midlands. 



2. glandulosus Nees. Coastbelt and Thorn veld. 



3. persoonii Nees. Muddy places around Durban Bay. 



5. PHAULOPIS Willd. (Phaylopsis Willd.) Scrub. 



1. longifolia T. Thorns. Coastbelt. 



2. parviflora. Coastbelt. 



6. BLEPHARIS Juss. (Around scrub and in grassveld.) 



1. angusta And. 



