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BOTANICAL APPENDIX, 



JOHN RICHARDSON, M.D. 



Member of the Wmurian Natural History Socifty of Edinburgh. 



The following list of plants is not offered, as containing any thing like a full cata- 

 logue of the Flora of the country through which we travelled. During our summer 

 journeys, only a small portion of time could be allotted to Botanical researches, and 

 the constant and more important duties of the other oflicers prevented them from aiding 

 me in collecting objects of Natural Historj', which they were otherwise anxious to do. 

 I'nder such circumstances, a large proportion of plants must have escaped our notice, 

 and the disasters attending our return across the Barren Grounds from the sea- 

 coast, caused us to leave behind the whole collection made during the summer of 

 1821, with the exception of a few plants collected during the descent of the Copper- 

 Mine River, which were intrusted to Mr. Wentzel's care when he left us. The part 

 of the collection, which is lost, contained some plants, which I deemed to be new or 

 curious. 



In drawing up the list, imperfect as it is, I have received much assistance from able 

 botanists. To Mr. Brown I am under the greatest obligations, not only for the libe- 

 ral use of the Herbarium and Library, which, so happily for science, have been placed 

 in his possession ; but also for the friendly manner in which he aided my researches, 

 and condescendeil to solve the doubts so frequently presenting themselves to one little 

 versant in these pursuits. In addition to this general assistance, he kindly superin- 

 tended the botanical drawings, and has enriched my catalogue with the lists of the 

 Cj-peroideae (including the Carices), the Gramines, Junci and Filices, and, with the 

 accounts of the genera Eutoca, Heuchera, and Cryptogramma. 



The collections of Pallas ami Pursh, now belonging to Mr. Lambert, rendered the 

 power of referring to his valuable Herbarium, an object of the utmost importance to 

 me ; and the desire of promoting the science, which so eminently distinguishes his 

 rharacter, induce<l him cheerfully to accord it. 



Professor Schwaegrichcn, when in London, named the Musci, which renders that 

 part of the list of high authority ; and Dr. Hooker, by undertaking the examination 

 of the Lichenes, has stamped a value upon a portion of the catalogue, upon which it 

 was peculiarly desirable to have the opinion and authority of an eminent cryptoga- 

 mic botanist. 



Fi OTANmUL ^ 



