Chap. UI. 



LINUM PEKENNE. 



97 



expanded than that of L. grandifiorum, and the stigmas 

 of the long-styled form do not diverge greatly from 

 one another; nor do the stamens of either form. 

 Hence insects, especially rather small ones, will not 

 insert their proboscides between the stigmas of the 

 long-styled form, nor between the anthers of either 

 form (Fig. 5), but will strike against them, at nearly 

 right angles, with the backs of their head or thorax. 

 Now, in the long-styled flowers, if each stigma did 



Fig. 5. 



Long-styled form of L. perenne, var. Aitstriacum in its early eondition 



before the stigmas hare rotated. Tile petals and calyx hare been 



removed on the near side.* 



not rotate on its axis, insects in visiting them wonld 

 strike their heads against the backs of the stigmas ; as 

 it is, they strike against that surface which is covered 



* I neglected to get drawings 

 made from fresh flowers of the two 

 forma. But Mr. Fitch has made 

 the above sketch of a long-etyled 

 flower from diied Bpecimens and 



from published engravinga. His 

 well-blown skill ensures accuracy 

 in the proportional size of the 

 parts. 



