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MISSOURI BOTANICAL GARDEN-. 



elsewhere. Lindheimer gave a number to each collection in 

 the field, usually with more or less data in German as to 

 habitat, locality, date, etc., his numbers following in order of 

 collection. Engelmann then arranged the collections by orders 

 and species after the Bentham and Hooker sequence, and 

 gave independent numbers to the exsiccatae, following this 

 sequence. However, a large number of Lindheimer 's col- 

 lections were never made in quantity, hence were never 

 numbered for the exsiccatae and have only his own collection 

 label in the Engelmann herbarium, and this must be re- 

 membered in quoting Lindheimer specimens, only the Engel- 

 mann label being printed. Throughout the present paper 

 both numbers have been given, so as to enable the two to be 

 identified, if needful, Lindheimer's collection number being 

 preceded by "L." 



The purpose of the present paper is not only to give a list 

 of the species of this last Lindheimer collection of 1849-1851 

 preliminary to their distribution, but also to enumerate the 

 species of the missing numbers of parts I and II of Plantae 

 Lindheimerianae, as far as such can be found, and to give an 

 index to the whole, as an aid to other botanists interested 

 in the flora of Texas. There will be added a brief account 

 of the pioneer-botanist-editor, Lindheimer himself, the im- 

 portance and magnitude of whose work has scarcely been 

 appreciated, and also a general bibliography of Texas botany. 

 _ Considerable of the work of classification and determina- 

 tion of the collections treated in this paper was done by Prof. 

 A. S. Hitchcock some 15 years ago, and many of the deter- 

 minations of Fascicles III and IV are by Engelmann and 

 Gray, while I am indebted to Professor Trelease for advice 

 and assistance in the preparation and arrangement of the 

 work. 



Much of the data concerning the life and work of Mr. Lind- 

 heimer has been supplied by his son, Mr. M. E. Lindheimer, 

 of Austin, Texas, and his daughters, Mrs. Sida Peipers, of St! 

 Louis, and Mrs. Anna Simon, of New Braunfels, Texas,' 

 without whose assistance many facts would have escaped 

 my knowledge. 



