320 J. \V. BEWS. 



Dicotyledons. — ^Polygala spp., Diantlius sp., Ceras- 

 tium dregeanum, Hibiscus sethiopicus, Pelargonium 

 aconitif oliuin, Oxalis spp., Crotalaria spp., Argyro- 

 lobium sp., Psoralea pinnata, Indigofera spp., 

 Cassia miiiiosioides,Crassula spp., Pen tan isia vari- 

 abilis, Spermacoce natalensis, Yernonia dregeana, 

 Aster spp., Nidorella spp ., Grnaphalium spp., Heli- 

 chi'ysuni spp.. Cineraria spp., Senecio spp., Crypto- 

 stenima calendulaceum, Grazanea spp., Berklieya 

 spp., Dicoma argyropliylla, Lobelia spp., Wahlen- 

 b e r g i a spp., S e b te a spp., B e 1 m o n t i a spp., S o 1 a n u m 

 spp., Nemesia spp., St rig a spp., St rig a lute a, 

 Buchnera sp., Rhamphicarpa fistulosa, Thunbergia 

 spp., Blepliaris spp., Justicia spp., Selago spp., 

 Ocimum spp., Salvia spp., Stachys spp., Leonotis 

 leonurus, Teucriuni sp., Lasiosiplion sp., Thesium 

 spp., E u p li o r In a spp., C 1 u y t i a spp., P h y 1 1 a n t li u s 

 spp., Xy snialobium spp-, Scliizoglossum spp., 

 Gromphocarpus spp. 



Of the Scropliularinea? found in the veld the genera 

 Striga, Buchnera, Rhamphicarpa, Melasma, Cyc- 

 nium, from the fact that they dry black, may be suspected 

 of being root-parasites, and many of them are known to 

 be so. 



(13) MARSH TYPES: DOMINANT PLANTS. 



Reference has been made to the wetter spots on the veld. 

 When these become larger in area we have what is commonly 

 termed a vlei, i. e. a marsh. Such vleis are found wherever 

 a depression in the ground checks drainage, but owing to 

 the steep rise of the ground generally from the sea to the 

 Drakensberg, vleis, though numerous enough, are rarely very 

 large. Few cover more than an acre or two of ground. 

 They are found sometimes in rather unexpected places, on the 

 top of a high ridge, for instance, near the edge of the slope. 

 They are not abundant in the dry river valleys. They have 



