142 University of Calif ornia Ptihlications in Botany [Vol. 7 



188. Uredo Phoradendri Jackson 



Mem. Brooklyn Bot. Gard., vol. 1, p. 285, 1918. 

 On Phoradcndron longispicum Trelease, Chico (C. C. Thomas). 



189. Uredo Sphacelicola Diet, and ITohv. 



Erythea, vol. 1, p. 248, 1893. 

 On Sphaccle calycina Benth., Mount Tamalpais. 



UROMYCES UNGER 



Exanth. Pfl., p. 277, 1833. 



Accia eriimpent, cupulate, or cylindrical ; aeciospores in chains 

 globoid or ellipsoid, often angular. Uredinia definite and without 

 paraphyses ; urediniospores borne singly on pedicels ; wall colored, 

 usuall}" echinulate. Telia erumpent or long-covered by the epidermis ; 

 teliospores one-celled, wall firm, deeply colored, thick. 



Telia on Graminaceae 



190. Uromyces Jacksonii Arth. and Fromme. II, III 

 Torreya, vol. 15, p. 2G0, 1915. 



On Agrostis pallens Trin., Atlas, Napa County; on Hordeum nodo- 

 sum L, San Mateo County (Copeland). 



191. Uromyces Peckianus Farlow\ II, III 



Proc. Am. Acad. Arts and Sci., p. 76, 1883. 



Aecia on Salicornia amhigua Michx., Chenopodinm album L., 

 C. murali L., and Atriplex sp., Monterey (Bethel). 



Uredinia and telia on Distychlis spicata Greene, Long Beach 

 (Bethel), Femdale (Davy and Blasdale). Probably common along 

 the coast. 



Telia on Cyperaceae 



192. Uromyces Scirpi (Cast.) Burr. 0, I, II, III 



Cat. PI. Marseilles, p. 214, 1845; Bot. Gaz., vol. 9, p. 188, 1884. 



Aecia on Oenanthe calif ornica Wats., central California. 



Uredinia and telia on Scirpus pacificus Britton, and S. calif ornicus 

 (Mey.) Britt, Long Beach (Bethel) ; on 8. paludosiis Nels., Escondido 

 (Bartholomew). 



