Vol. 45 TORREYA September 1945 



A Contribution to our Knowledge of the Wild and Cultivated Flora 



of Maryland — I 



Harold N. Moldenke 



The present paper comprises an annotated list of 303 collections of Mary- 

 land plants, representing 256 species and subspecific entities in 185 genera and 

 79 botanical families. It is one of a series by the same author on the flora of 

 each of the states of the United States and several foreign countries. 1 The 

 sequence of families followed is that of the author's preliminary classification 

 of the Plant Kingdom, 2 which, in turn, is based, with modifications, on the 

 latest available studies of the various groups — the systems of Engler & Diels 

 and of Hutchinson being followed in major part. 



It is a pleasure to acknowledge the generous and valuable assistance ren- 

 dered the author by the following renowned specialists, who have examined 

 material of the groups noted after their names: Dr. Liberty H. Bailey (Erica, 

 Leucothoc), Dr. Nathaniel L. Britton (Cyperus, Rynchospora), Dr. Wendell 

 H. Camp (Gaylussacia, V actinium), Mrs. Agnes Chase (Poaceae), Dr. Earl 

 L. Core (Cyperus) , Dr. Henry A. Gleason (Agrostis) , Dr. Albert S. Hitch- 

 cock (Poaceae), Dr. Francis W. Pennell (Gerardia) , and Dr. Truman G. 

 Yuncker (Cuscuta). Each collection cited on the following pages which was 

 examined by one of these specialists has the name of the specialist following 

 the number in the list. 



The first set of specimens herein cited is deposited in the Britton Herbarium 

 at The New York Botanical Garden ; other sets are in the herbaria of the 

 University of Pennsylvania, University of Illinois, Missouri Botanical Garden, 

 Duke University, Carthage College, Cornell University, Naturhistoriska Riks- 

 museum in Stockholm, Royal Botanic Gardens in Kew, Botanisches Museum 

 in Berlin, Botaniska Tradgard in Goteborg, Conservatoire Botanique in 

 Geneva, Tardin Botanique de l'Etat in Brussels, British Museum (Natural 

 History) in London, the herbaria at Krakow and Vyskov, and elsewhere. The 

 collection numbers, for citation purposes, are all H. N. Moldenke collection 

 and citation numbers, although much of the material was actually collected by 

 other collectors and turned over to the author of this paper for identification 

 and distribution. These collectors, with the numbers of their collections and 



1 Moldenke, H. N., A contribution to our knowledge of the wild and cultivated flora of 

 Ohio — I, Castanea 9: 1-80. 1944; A contribution to our knowledge of the wild and cul- 

 tivated flora of Florida— I, American Midland Naturalist 32: 529-590. 1945; A contribu- 

 tion to our knowledge of the wild and cultivated flora of Massachusetts — I, Torreva 45: 

 41-52. 1945. 



2 Moldenke, H. N., A preliminary classification of the plant kingdom to families, pp. 

 1-37, New York Botanical Garden, February 11, 1944. 



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