230 



NATURAL HISTORY OF PLANTS. 



diluted into a very large stigmatiferous irregularly trilobed head. 1 

 In the internal angle of each cell two collateral descending ovules are 

 inserted, with micropyle looking upwards and outwards. The fruit 

 is dry and indehiscent, surrounded by vestiges of the perianth and 



Sarcolana multiflora. 



Fig. 235. 

 Flower (f). 



Fig. 237. 

 Flower without perianth. 



Fig. 236. 



Long. sect, of flower. 



androceum, the whole enveloped by an epicalyx or thickened sac, 

 of which we have spoken before. At maturity it only contains one 

 descendent seed, the coats enclosing a thick albumen, more or less 



Schizolcena rosea. 



Fig. 238. 

 Uillorous involucre. 



Fig. 239. 



Involucre without the flowers. 



Fig. 240. 



Flower (±). 



fleshy or horny, and in the axis of which is found a superior radicle 

 (fig. 232). LeptoJ(B7ia consists of small shrubs of Madagascar, of 

 which only one or two species are known. The leaves are alternate 

 simple, accompanied by two lateral caducous stipules. The flowers 



1 In reality the style is hollow in the form of 

 an elongated horn ; it is traversed in its whole 

 length by three vertical ribs, combinations of 

 the partitions of the ovary, dilating above, and 

 povered with stigmatic papilla; at the summit, 



which is more or less bent. The three apices 

 are surrounded by a small circular rim, slightly 

 sinuous, encircling them and corresponding to the 

 superior extended edge of the style tube (figs. 229, 

 230). 



