28 



Weed-like diffuse prostrate herbs, with opposite leaves. Tribulus. 



1 Tribulus, Linn. 

 terrestris, Linn. B-D. 



ORDER XXXVm. GERANIACE.E. 



The members of this family are chiefly oruaraental and are largely 

 cultivated in gardens ; but the Alonsonias, and one or two species of 

 Pelargonium have a wide reputation in South Africa as remedies in 

 dysentery. The genera Pelargonium and Oxalis abound in South 

 Africa, though not many are found in Xatal, while the Alonsonias are 

 confined to the African continent. Xumber of species about 750. 



Flowers regular. 

 Flowers irregular. 



1 Stamens 10, connate at base ; leaves trifoliolate. 



1 Stamens 10, monadelphous. 



1 Stamens 15, in parcels of three each. 

 2 Stamens 10 or fewer ; 2-7 antheriferous. 

 2 Stamens 5. Back sepal spurred. 



1 

 2 



Oxalis. 



GERA^^uM. 



moxsonia. 



Pelargonium. 



Imtatiens. 



List of Species. 



1 Monsonia, Linn. 

 attenuata, Harv. 

 ovata, Cav. 



„ var. biflora. Harv. 



2 Geraaium, Linn. 

 caffrum, E. S^^ Z. 

 c^nescens, USerit. 

 incanum, Buna, 

 ornithopodum, E- ^' Z. 

 pulchrun, N.E.B- 

 robustum, Kze 



3 Pelargonium, L'Herit. 

 aconitiphyllum, E. ^' Z. 

 alchemiUoides, Willd. 

 Bowkeri, Harv. 

 capitatum. Ait. 



dispar, N.E.B. 

 flabellifolium, Harv. 

 grossularoides, Att. 



DE. 

 B. 



A. 



DE. 

 DE. 

 AB. 



F. 



E. 



B-E. 

 AB. 

 E-F. 



A. 



F. 

 BU 



A. 



inquinans, Ait. E. 



lateripes, L'Herif. D. 



pulverulentum. Oolc. B. 

 ranunculophy Hum , Bo Jeer. 



robustum, Kze. F. 



vitifolium, Ait. B. 



zonale. Ait. D. 



sp. (J. M. Woo'l 1830). C. 



sp. (/. M. Woo J, 4492). C. 



sp. {Evans, 645). E. 



4 Oxalis, Jvi//?/. 



bifurca, Todd. ? 



convexula, Jacq. ? 

 corniculata, Linn. Ali 



pulchella, Jacq. C. 



semiloba, Sond. B. 

 var. fl.pleno, (JM.W., 550.) C. 



setosa, E.M. ? 



Smithiana, Sond. F, 



5 Impatiens, Linn. 

 capensis, Thh. 



A-F. 



ORDER XXXIX. RUTACE.E. 



An order perhaps best known by its including the genus Citrus 

 with its numerous species ai^d varieties, The common Ptue \Yhich 



