Blasdale: Uredinales of California 121 



63. Puccinia poculiformis (Jacq.) Wettst. 



Verhl. Zool. Ges. Vienne, vol. 35, p. 544, 1885. 



Aecia on species of Berberis, but not reported from California. 



Uredinia and telia on Avena fatua L., A. barbata Brot., and A. 

 sativa L. ; on Hordeum murinum L., H. Gussonianum Parl. and H. 

 sativum Jessen ; on Phleum pratense L. ; on Agrostis alba L. and A. 

 diegoensis Vas. ; on Elymus condensatus Presl. ; on Lamarckia aurea 

 Moeneh; on Dactylis gl&merata L. ; on Panicularia pauciflora (Presl.) 

 Kze. Frequent throughout the state. This is the "black stem rust" 

 found especially on the culms of oats, and in some seasons decidedly 

 destructive. It includes several well denned biological forms, which 

 are discussed by Stakeman and Piemeisel (Phytopathology, vol. 6, 

 p. 99, 1918). 



64. Puccinia procera Diet, and Holw. II, III 



Erythea, voL 1, p. 249, 1893. 



On Elymus c&ndensatus Presl., Pasadena (McClatchie), Berkeley, 

 Long Beach, and San Diego (Bethel). 



65. Puccinia purpurea Cke. II, III 



Grevillea, vol. 5, p. 15, 1879. 



On Andropogan sorghum var. halep&nsis L., Gilroy, Santa Ana 

 (Bethel). 



66. Puccinia Rhamni (Pers.) Wettst. I, II, III 



Ver. zool.-bot. Ges. Wien, p. 544, 1885. 



Aecia not reported from California, but to be looked for on species 

 of Rhamnus. 



Uredinia and telia on Polypogon monspeliensis Desf., Berkeley, 

 Humboldt County, Ontario, Santa Barbara; on Avena barbata Brot., 

 San Diego (Bethel) ; on Lamarckia aurea Moeneh, Los Angeles 

 (Bethel) on Lolium perenne L., and L. multiflorum Lam., Long Beach 

 (Bethel). 



67. Puccinia sejuncta Sydow. 0, I, II, III 



Ann. Mycologici, vol. 1, p. 326, 1903. 



Aecia on Hieracium sp., Sisson (Holway). 



68. Puccinia Sorghi Schw. II, III 



Trans. Am. Philos. Soc., ser. 2, vol. 4, p. 295, 1832. 

 On Zea maijs L., frequent but not destructive. 



