250 



CONCLUDING REMARKS 



Chap. VI. 



Table 34. 



Relative Diameter of the Pollen-grains from the forms 

 of the same Heterostyled Species; those from the 

 short-styled form being represented by 100. 



Dimorphic Species. 



From the Long- 

 styled form. 



Primula veris 67 



. . 



71 



it 



(Hilde- 



(4 



57 

 71 



61 

 64 



100 



vulgaris 

 Sinensis 



brand) .... 

 auricula .... 

 Hottonia palustris (H. Miil- 



ler) 



Hottonia palustris (self) . 



Linum grandinorum . . . 



44 perenne (diameter ) 



variable) . . } 10 °( ? > 



" flavum 100 



Pulmonaria officinalis . . 78 



44 angustifolia . 91 



Polygonum fagopyrum . . 82 



Leucosmia Burnettiana . 99 



.Xgiphila elata 62 



Menyanthes trifoliata . . 84 

 Limnanthemum Indicum . 100 

 Villarsia (sp. ?) .... 75 



From the Long- 

 styled form. 



Forsyth ia suspensa . . ..94 



Cordia(sp. ?) 100 



Gilia pulchella 100 



' * micrantha 81 



Sethia acuminata .... 83 



Erythroxylum (sp. ?) . . . 93 



Cratoxylon formosum . . 86 

 Mitchella repens, pollen- 

 grains of the long-styled a 

 little smaller. 



Borreria (sp. ?) 92 



Faramea (sp. ?) 67 



Suteria (sp. ?) (Fritz Muller) 75 



Houstonia ccerulea .... 72 

 Oldenlandia (sp. ?) . . . .78 



Hedyotis (sp. ?) 88 



Coccocypselum (sp. ?) (F. ) 



Muller) S 



Lipostoma (sp. ?).... 80 



Cinchona micrantha ... 91 



Trimorphic Species. 



ter of the pollen-prains from the two sets of 



Ratio exrressfnpr the extreme differences in diame- 

 ter of the pollen-grains f 

 anthers in tne three forms. 



Lythrum salicaria .... 60 



Nessea verticillata .... 65 



Oxalis Valdiviana (Hildebrand) 71 



" Eegnelli 78 



speciosa 69 



11 sensitiva 84 



Pontederia (sp. ?) 55 



<t 



spheres differing to this degree 

 contents differ in the ratio of six 

 the species in which the grains 



Ratio between the diameters of the pollen- 

 grains of the two Bets of anthers in the same 

 form. 



Oxalis rosea, long-styled form i 



(Hildebrand) . . . j 

 " compressa, short-styled ) 



form J 



Pontederia (sp. ?) short-styled ) 



form . . . . . J 



4 ' other sp. , mid-styled j 



form i 



in diameter, their 

 to one. With all 

 differ in diameter, 





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