106 University of California Publications in Botany [VOL. 7 



3. Aecidium Triglochinis Diet, and Holw. 



Erythea, vol. 7, p. 98, 1899. 



On Triglochin concinna Davy, Lassen County, type collection 

 (Davy). 



4. Aecidium Valerianellae (Biv.) Bernh. 



Stirp. Ear. Sci., vol. 4, p. 28. 

 On Valerianella congesta Lindr., Mill Valley and Applegate. 



BAEODROMUS ARTH. 

 Ann. Mycologici, vol. 3, p. 19, 1905. 



Cycle of development includes pycnia and telia only. Telia sub- 

 epidermal but erumpent; teliospores one-celled, ellipsoid, produced in 

 chains but compacted into masses. 



5. Baeodromus californicus Arthur. Ill 



Ann. Mycologici, vol. 3, p. 19, 1905. 



On Senecio Douglasii DC., Lytle Creek, San Bernardino Mountains 

 (Parish). 



BUBAKTA ARTH. 



Eesult. Sci. Cong. Bot. Vienne, p. 338, 1906. 



Uredinia erumpent and pulverulent; urediniospores borne singly 

 on pedicels. Telia subepidermal and indehiscent; teliospores one- 

 celled, compacted into dense masses. . 



6. Bubakia Crotonis (Cke.) De Toni. II, III 

 Grevillea, vol. 6, p. 137, 1878. 



On Croton californicus Mull. Arg., San Francisco, Long Beach 

 (Bethel). 



CALYPTOSPORA 



Hedwigia, vol. 8, p. 81, 1869. 



Aecia erumpent, cylindrical with thin-walled peridium. Telia 

 forming compact layers, indehiscent. Teliospores ellipsoid, usually 

 four-celled. 



7. Calyptospora columnaris (Alb. and Schw.) Kiihn. 0, 1, III 

 The aecial stage has been shown by Winter (Hedwigia, vol. 26, 

 p. 28, 1887) to develop on a large number of species of Abies, includ- 

 ing A. magnifica Murray and A. concolor Lindl. Arthur (Mycologia, 



