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. 



Primula veris 67 



" vulgaris .... 71 

 " Sinensis (Hilde- 

 brand) .... 57 

 " auricula .... 71 

 Hottonia palustris (H. Miil- 

 ler) 61 



Hottonia palustris (self) . 64 



J .i ii u in grandiflorum . . . 100 



" perenne (diameter i 



variable) . . j 100(?) 



" flavum 100 



Pulmonaria offlcinalis . . 78 



" angustifolia . 91 



Polygonum fagopyrum . . 82 



Leucosmia Burnettiana . 99 



JEgiphila elata 62 



Menyanthes trifoliata . . 84 

 Limnanthemum Indicum . 100 

 Villarsia (sp. ?) .... 75 



From the Long*- 

 ttyled form. 



Forsythia suspensa ... 94 



Cordia(sp. ?) 100 



Gilia pulchella 100 



" micrantha 81 



Sethia acuminata .... 83 



Erythroxyluin (sp. ?) . . . 93 



Cratoxylon forrnosum . . 86 

 Mitehella repens, pollen- 

 grains of the long-styled a 

 little smaller. 



Borreria (sp. ?) 92 



Faramea (sp. ?) 67 



Sutcria (sp. ?) (Fritz Miiller) 75 



Houstonia ccerulca .... 72 



Oldenlandia (sp. ?) . ... 78 



Hedyotis (sp. ?) 88 



Coccocypselum (sp. ?) (F. > 



Miiller) } 1( 



Lipostoma (sp. ?).... 80 



Cinchona micrantha ... 91 



Trimorphic Species. 



Ratio eTTrewiinjr the extreme differences In diame- 

 ter of the pollen-brains from the two sets of 

 anthers in the three formi. 



Lythrum salicaria .... 60 



Nessea verticillata .... 65 



OxalisValdiviana(Hildebrand) 71 



" Eegnelli 78 



' speciosa 69 



" sensitiva 84 



Pontederia (sp. ?) 55 



Ratio between the diameters of the pollen- 

 prams of the two sets of anthers in the same 

 form. 



Oxalis rosea, long-styled form ) 



(Hildebrand) . . . J 83 

 ' compressa, short-styled i 



form I 



Pontederia (sp. ?) short-styled j 



form | 87 



" other sp., mid-styled i 

 form . 



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, 



