FERTILIZATION. 



175 



List of Insect-Fektilized Flowers ^concluded. 



TV. 



28. Barberry .... Berberis vulgaris Lubbock. 



29. Mountain laurel . . Kalmia latifolia Gray. 



V. 



30. White clover . . . 'Trifolium repens . Miill. 



31. Red clover . . . Trifolium pratense Mull. 



32. Locust . . Eobinia Pseudacacia ...... Gray. 



33. Wistaria .... Wistaria Sinensis Gray. 



34. Vetch .... Vicia cracca Mtill. 



35. Pea Pisum sativum Miill. 



36. Bean Phaseolus vulgaris Gray. 



37.- Ground-nut . . . Apios tuberosa Gray. 



VI. 



38. Partridge-berry . . Mitchella repens Gray. 



'■ 39. Primrose .... Primula grandiflora, P. officinalis Lubbock. 



40. Loosestrife . . . Lythmm Salicaria Gray. 



_ VII. 



41. Milkweed. . . . Asclepias Cornuti .... Miill., Newell. 



42. Lady's-slipper 



VIII. 



Cypripedium acaule 



Newell. 



212. Pr-otection of Pollen from, Rain. — -Pollen is very gen- 

 erally protected from being soaked and spoiled by rain or dew 

 either by the natural position of the flower preventing rain 

 from entering, as in the case with most gamopetalous, nodding 

 flowers, or by changes in the position of the flower, and by its 

 opening in sunny weather and closing at night or during 



tions at the right. Miill. stands for Miiller's Fertilization of flowers ; Lubbock, 

 for British Wild Flowers, Considered in Relation to Insects ; Gray, for Gray's 

 Structural Botany ; and Newell, for Miss Newell's Outlines of Zessons in Botany, 

 Part II. 



