126. GENTIANACEAE. IS9- 



3. gerrardi N.E.Br. Coastbelt scrub. "umGulugulu." 



4. spinosa Lam. Coast and Midlands. Locallj frequent. 



"umHlala." 



5. dyssophila Bth. Tugela. 



FAMILYY 126-<;ENTIANACEAE. 



Herbs or undershrubs, rarely shrubs, nearly always glabrous. 

 Leaves simple. Flowers 3 — 8, usually 4 — 6 merous, regular herma- 

 phrodite. Petals united below. Stamens as many as and al- 

 ternating with petals, sometimes only 1 fertile. Ovary superior, 

 1 — 2 celled. Ovules numerous. Style 1. Stigmas 1 — 2. Fruit 

 a capsule, nut or berry. Seeds minute, endospermic, sometimes 

 winged. 5 genera 34 species. 



1. Tufted, usually submerged aquatic with leaves floating. 



Leaves alternate or all radical. Corolla induplicate- 



valvate. 5 LIMNANTHEMUM. 



Leaves opposite. Corolla lobes contorted. 2. 



2. Ovary 1 celled. 3. 

 Ovary 2 celled. 4. 



3. Corolla with 1 — 2 glandular nectaries at base of each segment. 



Tube very short. Pollen grains tubercled. 



4 SWEERTIA. 

 Corolla without nectaries. Pollen grains smooth or dotted. 



3 CHI RON I A. 



4. Disc glands between calyx and corolla. Style without a 2 



glandular swelling. 2 EXOCHAENIUM. 



No disc glands. Style usually with a 2 glandular swelling 

 near the base. 1 SEBAEA. 



1. SEBAEA Soland. (Mostly in grassveld and vleis.) 



1. mirabilis Gilg. Mid-Illovo, 1-2,000 ft. 



2. junodii Schinz. Howick. Shady places. 



3. filiformis Schinz. Polela and Drakensberg. 



4. rotundifolia A. W. Hill. Drakensberg. 



5. acutiloba Schinz. Coastbelt. Clairmont. 



6. vitellina Schinz. Coast and Midlands. 



7. schoenlandii Schinz. Coastbelt and Zululand. 



8. sedoidcs Gilg. Grassveld. Common all over. 



9. confertiflora Schinz. Midlands and upper districts. 



10. acuminata A.W.H. Boston. 



11. macrantha Gilg. Midlands. 



12. longicaulis Schinz. Midlands, in vleis. 



13. schinziana Gilg. Bushman's River. Drakensberg. 



14. leiostyla Gilg. Midlands. 



13. imbricata A.W.H. Summit of Amajuba, 8,000 ft. 

 16. rudolfii Schinz. Midlands. 



