250 



CONCLUDING EBMARKS 



Chap. VI. 



Table 34. 



Relative Diameter of the Pollen-grains from the forma 

 of the same Heteroatyled Species; those from the 

 short-styled form, being represented by 100. 



Trimorphic Species. 



Rfitio ezpreulnp the ertrflme dtffiireiicee In dtstne- 

 trr of tbe Tiollea-gTAini from the two lets of 

 nnthera In the three fonni. 



Lythrum salicaria .... 60 



Nesjea verticillata .... 65 



Ozalis Valdiviana (Hildebrand) 71 



" Eegnelli 78 



" speciosa 69 



" sensitiva 84 



Pontederia (sp. 7) 55 



Batio between the diameters of tbe polIcD- 

 prslne of the two setu of anthen In the same 



Oxalis rosea, long-styled form i 



(Hildebrand) . . . J ®^ 



compressa, short-styled > 



form 



Pontederia (sp. ?) short-styled i 



form 



other sp., mid-styled i 



form 



83 



87 



86 



spheres differing to this degree in diameter, their 

 contents differ in the ratio of six to one. With all 

 the species in which the grains differ in diameter. 



