PLATE SIX. 



Fig. 42. Salix reticulata L., from Mount Elbert (11,500 feet); natural size. 

 43, 44. Par^e specimen, two leaves; natural size. 



45. Same species from Churchill, Hudson Cay; natural size. 



46. Same species from Copper Island, Bering Sea; natural size. 



47. Same species from Spitzbergen, Belsund; natural size. 



48. Same species from Nova Zembla; natural size. 



49. Same species from Finmark; natural size. 



50. 51. Leaves of same specimen from Finmark; natural size. 



52, 53. Leaves of the pistillate plant from Sweden, Jamtland; natural size. 



