X X X 1 1 



8. M. 



Systema Mycologicum. E. M. Fries. 

 Sommf. 



Sommerfelt, C. 

 S. O. V. 



Systema Orbis Vegetabilis. E. M. Fries. 

 Sow. 



Sowerby, J. 

 Speg. 



Spegazzini, C. 

 Sprang. 



Sprengel, K. 



Starb. 



Starback, K. 



Suppl. List Works on N. Am. Fungi. 



A supplementary list of works on North American Fungi. W. G. 

 Farlow. 



Syd. 



Sydow, P. or Sydow, P. et H. 



Syll. 



Sylloge Fungorum. P. A. Saccardo and others. 



Syll. Crypt. 



Sylloge generum specierumque Cryptogamarum. J. F. C. Montagne. 



Symb. 



Symbolae Mycologicae. L. Fuckel. 



Syn. 



Synopsis methodica Fungorum. C. H. Persoon. 



Syn. Am. Bor. 



Synopsis Fungorum in America Boreali media degentium. L. D. de 

 Schweinitz. 



Syn. Car. 



Synopsis Fungorum Carolinae Superioris. L. D. de Schweinitz. 



Syn. N. Am. Lichens. 



Synopsis of North American Lichens. E. Tuckerman. 



Textbk. PI. Diseases. 



Textbook of Plant Diseases. G. Massee. 



Thax. 



Thaxter, R. 



Thm. 



Thuemen, F. von. 



Tijdschr. v. Natuur. Geschied. 



Tijdschrift voor Natuurlijke Geschiedenis en Physiologic. Amsterdam 

 and Leiden 



