DIMORPHIC SPECIES.

Column 1: Name of species. Column 2: From the long-styled form : relative diameter.

Primula veris : 67.

Primula vulgaris : 71.

Primula Sinensis (Hildebrand) : 57.

Primula auricula : 71.

Hottonia palustris (H. Muller) : 61.

Hottonia palustris (self) : 64.

Linum grandiflorum : 100.

Linum perenne (diameter variable) : 100 (?).

Linum flavum : 100.

Pulmonaria officinalis : 78.

Pulmonaria angustifolia : 91.

Polygonum fagopyrum : 82.

Leucosmia Burnettiana : 99.

Aegiphila elata : 62.

Menyanthes trifoliata : 84.

Limnanthemum Indicum : 100.

Villarsia (sp.?) : 75.

Forsythia suspensa : 94.

Cordia (sp.?) : 100.

Gilia pulchella : 100.

Gilia 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 coerulea : 72.

Oldenlandia (sp.?) : 78.

Hedyotis (sp.?) : 88.

Coccocypselum (sp.?) (Fritz Muller) : 100.

Lipostoma (sp.?) : 80.

Cinchona micrantha : 91.