A complete descriptive flora of this region would be too bulky for inclusion in one issue of Mount Rainier National Park "Nature Notes". Thus it was deemed advisable to segregate the flowering plants of this region into three principal groups on the basis of certain outward gross characters by which they are generally recognized by the average individual. This issue is therefore confined to those flowering plants that are generally regarded as "flowers".

The following two groups are omitted from this issue - (a) trees and (b) grasses, sedges, and rushes. Each of these will be described in a separate subsequent issue of this quarterly publication.

For convenience, however, the check list which follows is complete. These species which are not included in the descriptive text are indicated by an asterisk.

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As already stated, the collection of plants for the Mount Rainier National Park herbarium has been in progress since 1929. This work is part of a unified program of field research which will eventually encompass all phases of the natural history of this area, the results of which are compiled in our Mount Rainier National Park "encyclopedia".

Thus this issue of Mount Rainier National Park "Nature Notes" is largely the result of the combined efforts of the following seasonal naturalists, whose work should be properly recorded and acknowledged.

Mr. Charles Landes, who served as a seasonal naturalist from 1920-1936. Dr. A. A. Lindsay, who was a member of the naturalist staff in 1933 and 1935. Mr. Julius Hoverson, who has been one of our seasonal naturalists since 1935. Dr. E. T. Bodenberg, who has been one of the staff since 1936. Mr. E. Y. Danner, a seasonal naturalist since the summer of 1931, and Mr. Wayne Durston, who served in a similar capacity since 1934.

They have also been assisted by collections made by H. E. Bailey, J. W. Thompson, Dr. G. N. Jones, Fred Warren and J. B. Flett. In addition, the Bureau of Plant Industry, Washington, D. C., cooperated by checking the identifications of many of our herbarium specimens.

The help and cooperation of Dr. Geo. B. Rigg and Dr. C. Leo. Hitchcock, of the Department of Botany, University of Washington, is also gratefully acknowledged. The suggestions and criticisms offered by these men, relative to this issue of "Nature Notes", were exceedingly helpful. (C.F.B.)

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