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Wilmington, Oct. 9th, 1893.

Dear Mr. Sandberg:
   Your note of the 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, Nutt. B. careyana is very much like this and differs mainly in the canesantly tomentose achenes and the persisten rays. I cannot well determine the latter point n the specimen here, although they do not look like those of B. Careyana; but the achenes are [[underline]] smooth [[/underline]] and not at all like those of B. Careyana.
   725. The single specimen sent is almost too young. It has but two pair of stem leaves and look likes a smooth form of N. alpine. But if not where do you put it? It is possible that it may be 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 picta, Sm. This is also a very variable species of all that Dr. Gray includes in it (P. dentala ) and to be considered as one species. Your plant is exactly like one from the Teton Rane, Wyoming, which Professor Porter named P. chlorantha? adding -"calyx and tubes longer and more acute, leaves