180 LETTER XLIV. 



corolla is salver- shaped, with a long yellowish tube, 

 and a border divided into five sharp-pointed lobes, 

 which do not fit to each other by their very edges as 

 in the Olive Tribe, but overlie each other, and are 

 twisted together in the bud state (fig. 1. a.) ; or, in 

 fewer words, the aestivation is imbricate, and not 

 valvate. 



There are only two stamens, arising from near the 

 middle of the tube of the corolla (fig. 2.). This is a 

 degree of irregularity much beyond that of the Olive 

 Tribe, which has only four segments of the corolla, 

 and is more analogous to what occurs in the Fox- 

 glove and neighbouring Tribes. In many species 

 of Jasmine it is carried further still ; for the corolla 

 has sometimes six, seven, eight, or even twelve divi- 

 sions, and it must therefore be considered to have a 

 tendency to form two or even three rows of petals ; 

 or else to develope a part of its stamens in the form of 

 petals, and even to produce a second row of true petals 

 in addition. Thus the scheme of organization in com- 

 mon Jasmine will be — 



s s s s s 

 p p p p p 



s s 



in a Jasmine with seven segments to its corolla — 



O O O tJ k> 



p p p p p 



s S S s 



and with twelve segments — 



O O O O lO 



p p p p p 

 p p p p p 



