34 ERYTHEA. 



be glued onto the paper when completely dry. The floatiug out 

 should be done in salt water if the specimens are for study. Fresh 

 water, however, will not materially harm most of the marine species, 

 hut there are a few which are absolutely ruined by merely being 

 immersed in it. The paper used may be of such a size and such a 

 chai-acter as to suit the collector. For ordinary specimens, the 

 writer has found it advantageous to use sheets one-eighth, one-quarter 

 or one-half the size of the ordinary herbarium sheet. As to quality, 

 a tough, uuglazed, fairly translucent paper is most satisfactory, 

 such as decidedly thick typewriter paper for example. 



Data. — The data and locality of collection should be most care- 

 fully noted in every case. It is also well to keep separate, as far as 

 possible, specimens found floatiug from those found attached. Float- 

 ing specimens may often be brought from a considerable distance. 

 Notes as to color, luxuriance, particular habitat, etc., are also often 

 very valuable. All notes as to use, local names for particular 

 species, popular superstitions connected with any form, etc., are also 

 especially worthy of record. 



SHORT ARTICLES. 



Some Rarities from Wyoming. — On the collecting trip of the 

 past season (1898), quite a number of plants, new to our collection, 

 were secured. At La Plata Mines in the Medicine Bow Mountains 

 especially, were many rare ones collected. The species mentioned 

 below are a few of the noteworthy ones of which Wyoming speci- 

 mens, now, for the first time, have been added to the Herbarium of 

 the University. 



Deschampsia atropurpurea (Wahl.) Sheele. In spruce timber at 

 12,000 ft. altitude. La Plata Mines, Aug. 27, No. 5201. 



Stipa caduca (Beal.) Scribn. A very rare plant; collected on a 

 clayey slope in the Freezeout Hills, July 10, No. 4850. 



Carex bella Bailey. No. 5134. This and the three following 

 species of Carex have not been reported from Wyoming before. 

 They were all collected at La Plata Mines in August. 



