Wilmington, Oct. 9th, 1893. 



Dear Mr. Sandberg! 



Your note of 5th inst. is at hand. I think in this 

 case I had better look into one or two of these cases at once if 

 not into all. 166 Balsamorhiza deltoidea, TTutt. B. careyana is 

 very much like this and differs mainly in the canes ant ly tomentose 

 achenes and the persisten rays. I cannot well determine the lat- 

 ter point in the specimen here, although they do not look like 

 those of B. Careyana; but the achenes are smooth and not at all 

 like those of B. Careyana. 



725. The single specimen sent is almost too young* It 

 has "but two pair of stern leaves and look likes a smooth form of 

 IT. alpina. But if not where do you put it? It is possible that 

 it may he the A. latifolia of Gray; A. Chammissonis , Les verr - 

 look it up and give me your views further. All these specimens 

 are very variable. 



552.Pyrola pi eta, 3m. This is also a very variable spe- 

 cies of all that Dr. Gray includes in i% (P. dentala ) and to 

 be considered as one species. Your plant is exactly like one from 

 the Teton Range, Wyoming, which Professor Porter named P. chlo- 

 rantha? adding -"calyx and tubes longer and more acute, leaves 



