m. LABIATAE. 171 



2. asperifolia Rich. Coast and Midlands. "umSuswaue." 



3. scaberrima Sond. Near Weenen, 3,000 ft. 

 3.BOUCHEA Cham. 



1. hederacea Sond var natalensis H.H.W.P. Thorn veld. 



2. cuneifolia Schauer. Coast and Midlands. 



3. latifolia Harv. Grassveld, Midlands and Zululand. 



4. krookii Giirke. Ixopo. 



4. PRIVA Adans. 



leptostachya Juss. Near Durban. 



5. VERBENA L. 



1. bonariensis L. Near Richmond. Introduced. 



2. o^cinaiis L. Common. 



3. tenera Spreng. Edendale. Introduced. 



6. DURANTA L. 



pluiri-eri Jacq. Doubtful. 



7. CLERODENDROH L. "um.Qongo." "umQwaqwana." 



1. glabrum E. M. Coastbelt and Zululand. Small tree. 

 glabrum var ovata H.H.W.P. Coastbelt and Zululand. 



2. tripliyllivm H.H.W.P. Low undershrub. Midlands. 



3. hh-s::tum H.H.Vv'.P. Coast and Midlands. Undershrub. 



4. casraleum N.E.Br. Midlands. Shrub. 



5. myvicoides R.Br. Coastbelt. Shrub, erect or scandent. 



8. VITEX L. 



1. gemiiiata H.H.W.P. Umhlatusi, Zululand. 



2. moci-nsis H.H.W.P. Mooi River. Scrub. 



3. harveyana H.H.W.P. Upper Tugela and Zululand. 

 - 4. rehmanni Giirke. Thorn veld. Mooi River. 



9. AVICENNIA L. 



omcinalis h. White Mangrove. Usually dominant in man- 

 grove formation near river mouths, e.g., near Con- 

 gella. 



FAMILY 132—LABIATAE. 



Herbs or shrubs, usually with square stems. Leaves opposite 

 or whorled, rarely alternate, simple, exstipulate. Flowers irregu- 

 lar or subregular, hermaphrodite, rarely unisexual. ^^^^^^ ^"^''" 

 lar usually persistent. Corolla usually 2 lipped and 2-6 lobed. 

 Stamens usually 4, rarely 2, epipetalous. Ovary superior 4 lobed 

 or '4 parted, 4 celled. Style central, arising from the base be- 

 tween the lob.s. simple or 2 cleft. Ovules 1 in each cell. Fruit 

 .separating, into 4 nutlets. Endosperm little or 0. 2I genera 109 



species. ^ 



1. Nutlets with large lateral surface of attachment. Ovary 



slis^htly lobod, rarely to the middle. Corolla 1 lipped or 



2 lipped with upper very short. , .(Ajagoideae) 2. 



