122 Journal of Mycology [Vol. 13 



[Aecidiomycetae. ] 



Macalpinia Arthur, n. g. Aecidiaceae. Resultats scien- 

 tifiques du Congres international de Botanique Wien, 1905 : 340. 

 1906. 



'*Teliosporen mehr als eine auf einem Stiel gebildet, ein- 

 zellig. Aecien und Uredinien fehlen." 



[Aecidiomycetae.] 



Mapea Patouillard, n. g. Uredinales. Bulletin trimestriel 

 de la Societe Mycologique de France, 22 : 46. 1906. 



"Uredinaearum. Sori erumpentes, applanati, orbiculares, 

 lati; ceracei, radio-plicati, ambitu sinuosolobati, undique fertiles. 



"Sporae (uredosporae) fuscidulae, ovoideae, verruculosae, 

 stipitatae." 



[Aecidiomycetae.] 



Melampsoropsis (Schrot.) Arthur, n. g. Uredinaceae. 

 Resultats scientifiques du Congres international de Botanique 

 Wien, 1905 : 338. 1906. 



"Typus Chrysomyxa Ledi (A. u. S.) De B. auf Ledum 

 palustre." 



[ Aecidiomycetae. ] 



Necium Arthur, n. g. Uredinaceae. In Underwood and 

 Britton, North American Flora, 7 : 114. 1907. 



"Cycle of development includes telia, which fill epidermal 

 cells, and possibly pycnia. 



"Telia indehiscent, forming continuous layers, more or less 

 distinguishable as compound sori. Teliospores oblong or pris- 

 matic, apparently one-celled, wall smooth, slightly colored." 



[ Aecidiomycetae. ] 



Nephlyctis Arthur, n. g. Uredinales. Journal of Mycol- 

 ogy- 13:31- 1907- 



"Cycle of development includes pycnia and telia, both sub- 

 cuticular. 



"Pycnia hemispherical, hymenium flat, without ostiolar fila- 

 ments. 



"Telia erumpent, without peridium or paraphyses ; teliospores 

 two-celled by transverse septum, colored, with a usually obscure 

 hygroscopic layer, sparsely papillose, pores one in each cell, 

 apical in upper cell, near the pedicel in lower cell : pedicels with- 

 out appendages." 



[Aecidiomycetae.] 



Nyssopsora Arthur, n. g. Aecidiaceae. Resutats scienti- 

 fiques du Congres international de Botanique Wien, 1905 : 342. 

 1906. 



"Teliosporen in drei dreieckige Zellen durch schriige Scheide- 

 wande geteilt, Membran farbig, stachelig, Keimporen zwei oder 

 mehr, seitlich. Aecien und Uredinien fehlen." 



