Chap. III. 



LINUM PBEENNE. 



«7 



e;cpanded than that of L. grandiflorum, 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 



Fig. 5. 



Long-styled form of L. peeenne, var. Austriamm, in its early condi- 

 tion before the stigmas have rotated. The petals and calyz have 

 been removed on the near side.* 



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

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

 not rotate on its axis, insects in visiting them would 

 strike their heads against the backs of the stigmas ; as 

 -it is, they strike against that surface which is covered 

 with papillae, with their heads already charged with 



* I neglected to get drawings 

 made from fresh flowers of the two 

 forms. But Mr. Fitch" 'has^made 

 the »b<}Ve 'sketeh -of a long-styled 

 flower fromi dried specifiiens and 



from published engriavibgs. His 

 well-known_skill ensures accuracy 

 in the prgpprtional size of the 

 parts. ■■ -■■• - • ", ■ 



