Annals of the Carnegie Museum (V. 1)

Seitenzahl:

484

Gewicht:

703 g

Erschienen bei:

Cambridge Scholars Publishing

Kurzbeschreibung

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: II. A PRELIMINARY LIST OF THE VASCULAR FLORA OF ALLEGHENY COUNTY, PENNSYLVANIA. By John A. Shafer, Ph. G. After waiting a number of years for the appearance of a Flora of Allegheny County, Pennsylvania, from another source, I have concluded to supply the deficiency in a manner as comprehensive as is possible with the material at present available. At best the present list must be regarded as wholly preliminary. Nevertheless it is published in the hope that it may serve as a guide to students in their systematic work, as well as an invitation to others to participate in the preparation of a fuller and more perfect catalogue in the near future. Collectors are accordingly urged to make full records of each species wherever found. It is further hoped, and confidently expected, that all who use this list will submit to the'writer the lists which they make, so as to render possible the compilation of a final catalogue. Those who submit such lists are also requested to kindly accompany them with herbarium specimens, in order to insure a correct identification. These specimens should, if possible, be submitted in duplicate; one set to be incorporated with the herbarium of the Carnegie Museum, in order to preserve a comprehensive representation of the species and its stations, the other set to be returned to the contributor after examination, determination, and study. Due credit will be given in the Museum catalogues, or future publications, for the specimens donated, or submitted. Explicit data as to the time of flower and fruit, (both of which should be collected), as well as the location, should be made and recorded on the labels. In noting location great exactness should be observed, and the collector should enter upon his labels the township, and even the farm and field, and...

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Mehr von:  Carnegie Museum, Cambridge Scholars Publishing