54 OXALIDE^. 



PELARGONIUM. 32 iv. 



Garden Geranium. 

 Stamens two to seven only fertile, the rest sterile ; 

 flower-stalk with a long tubular cavity inside, ending in 

 a slight enlargement near the base (really the spur of one 

 of the sepals fused to the pedicel) ; no glands ; seed 

 remaining inside the carpel as in ERODIUM. 



Species 230, practically all in South Africa, six only outside 

 (Australia, Asia Minor, Abyssinia). 



Named from the Greek PELARGOS, a Storks 



Pelargonium gravcolens Ait- ; IV ^ I. Whole plant 



strongly scented. Leaves broadly ovate or triangular, 



2 by 2 inches, cut deeply into three main lobes and these 



again deeply cut, or palmately five to seven-lobed or 



nearly partite ; the lobes flat, deeply sinuate-pinnatifid : 



both sides pubescent. Flowers in umbels on pedicels of 



o to I inch, peduncled in the upper leaf-axils ; pink. 



Native of South Africa. Cultivated in English gardens, 

 and here a garden-escape. 



OXALIDE/E. 



As in the Geraniese the flowers are on a very regular 

 five plan, and the petals are twisted in bud ; but the fruit 

 is a capsule, not separating into one-seeded parts but 

 opening down the backs of the carpels ; the leaves are 

 compound, and there are no glands between the petals. 



Leaflets three or four, attached together to the end of the 



petiole. (Wood-sorrel, " Capebulb," etc.) . . . oxalis. 



Leaflets many, pinnately arranged ..... biophytum. 



OXALIS. F.B.L 32 V. 



Wood-sorrel. 

 Herbs, some bulbous, with acid-tasting three or four 

 foliate leaves, and umbels of flowers on long petioles ; 

 fruit a narrow capsule which splits open in five lines, the 



