56 MISSOURI BOTANICAL GARDEN. 



In the following catalogue, the starting point for genera 

 and species has been taken at the first edition of Linnseus' 

 Species Plantarum, 1753.* In very many cases the earliest 

 name can be decided upon only by a monographer who 

 examines the original specimens. 



Cultivated species are included only when specimens were 

 obtained, and are placed in lower case type. All the species 

 in small capitals were found indigenous or naturalized. 



In the names, sequence and limitation of orders, Bentham 

 and Hooker's Genera Plantarum has been followed, except 

 that Coniferae have been placed after Gramineae. This 

 work has also been followed for the sequence, and, in most 

 cases, the limitation of genera. The species are arranged 

 alphabetically under the genera. The ferns are arranged 

 according to Hooker and Baker's Synopsis Filicum. 



* It was intended to take as the initial point for genera, Linnaeus' 

 Genera Plantarum. Ed. I, 1737; and to admit specific names identical 

 with the generic. But owing to delays the paper did not go to press till 

 after certain principles of nomenclature were adopted by the Botanical 

 Club of the A. A. A. S. It was thus possible to make the nomenclature 

 conform to these rules. Unfortunately the corrections were necessarily 

 made in the absence of much of the literature. 



