132. LABIATAE. 17!. 



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



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. 



leptos'cachya Juss. Near Durban. 



5. VERBENA L. 



1. bor.ariensis L. Near Richmond. Introduced. 



2. officinalis L. Common. 



3. tenera Spreng. Edendale. Introduced. 



6. DURANTA L. 



plumieri Jacq. Doubtful. 



7. CLERODENDRON L. "umQongo." "umQwaqwana." 



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

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



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



3. hirsr.tum H.H.W.P. Coast and Midlands. Undershrub. 



4. caeruleum N.E.Br. Midlands. Shrub. 



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



8. VITEX L. 



1. gemiuata H:H.W.P. Umhlatusi, Zululand. 



2. mocionsis H.H.W.P. Mooi River. Scrub. 



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



4. retmanni Giirke. Thorn veld. Mooi River. 



9. AVICENNIA L. 



officinalis L. 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. Calyx tubu- 

 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 lobes, simple or 2 cleft. Ovules 1 in each cell. Fruit 

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



species. 

 L Nutlets with large lateral surface of attachment. Ovary 

 slightly lobed, rarely to the middle. Corolla 1 lipped or 

 2 lipped with upper very short. (Ajugoideae) 2. 



