80 PROCEEDINGS OF THE ACADEMY OF [1887. 



Two more species have been assigned to our flora, but they lack 

 confirmation. 



Mr. Bailey, in his Synopsis, makes the range of C. gynocrates ex- 

 tend into Pennsylvania, without mention of any station or collector. 

 It may be looked for in the northern tier of counties along the N. 

 York line. 



Muhlenberg, in his Descriptio uberior Gi-ami,num etc., p. 265. 

 under C. lagopus ?, which is C. Fraseri, Andrews, adds these words, 

 "Habitat in Tyger-Valley Pemisylvaniae, unde siccam habeo et vivam." 

 Kin, the German gardener who collected in S. W. Pennsylvania, 

 brought it home and his label reads thus, " Deigher Walli in der 

 Wilternus." Dr. Gray has shrewdly conjectured that by "Deigher 

 Walli," or Tyger Valley, is meant Tygart's Valley, which lies fur- 

 ther south, in Virginia. When the late Dr. Garber visited Fayette 

 and Greene counties, in the service of the College, he made, by my 

 direction, particular inquiry after a valley of that name, but no one 

 had heard of it Yet he discovered there, on our side of Mason 

 and Dixon's line, Aristolochia Sipho, and, a little further north, in 

 the same range, occurs Pyrvlaria oleifera, so that it is not at all un- 

 likely, that, some day, this rare and most singular Car ex will be found 

 lurking in one of the lateral valleys or ravines along the western 

 slope of Chestnut Hill.-^ 



The list above given comprises 98 species and 24 varieties,-a goodly 

 number, which may be increased somewhat. The sending to him of 

 any new or rare species, or specimens of those more common, from 

 the counties not thoroughly explored, will be accounted by the au- 

 thor as a special favor, and duly acknowledged. 



The following European species have been collected by Mr. Isaac 

 Burk on the ballast-grounds at Philadelphia C. Davalliana, Lam., 

 C. distans, L ; C. hirta, L. and C. ornithopoda, With. 



Easton, Penna., March 4th., 1887. 



* A box containing the Carices of Muhlenberg has just been discovered in the 

 Herbarium of the Academy, Philadelphia, and the label attached to the specimens 

 of Kin's collection places Tyger Valley "prope amnem JCenakway.^' 



