ELISHA MITCHELL SCIENTIFIC SOCIETY. 67 



Conidia hyaline, few to multiseptate, terete, 70 400 X 



3—4- 



On leaves, bracts and cotyledons of Gossypiiim herba- 



ceum. 



78. Cercospora Liriodendri Ell. & Hark. I have 

 not collected good specimens of this, but my notes read as 

 follows: "Differs from C. Liriodendri (as described) in 

 having conidia 70 long and several times septate." 



On leaves of Liriodendron Tiilipifera^ 195I1 Auburn, 

 July II, 1 89 1, Newman. 



79. Cercospora Cephalaxthi E. & K. I have sev- 

 eral times collected specimens of this with characteristic 

 spots, but the hypha? and conidia were so poorly developed 

 it was impossible to take any notes worthy of record. 



On leaves of CepJialanthits occidentalis. 



A NORTH CAROLINA CATALAN OR BLOMARY 



FORGE. 



BY HUNTER L. HARRIS. 



This forge is situated on Helton Creek, near its union 

 wnth North Fork of New River, in Ashe county. It is 

 remarkable as an example of a process for obtaining iron 

 which is now^ becoming extinct. Briefly, it is the process 

 by which a mass of malleable iron is obtained by heating 

 together in an open hearth a mixture of a pure ore of iron 

 with charcoal, until the carbon monoxide from the char- 

 coal unites w^ith the oxygen of the ore and reduces the ore. 

 There w^ere formerly a number of such forges in that 

 region, but all others have long since disappeared. 



This forge was built perhaps fifty years ago by John 

 Ballon; w^as rebuilt by W. J. Paisley in 187 1, and has 



