DIVISION EIGHT — SCIENCE. 615 



U. JUNCi (Desm.) Tul. II, III. Ony. balticus, J. robustus, and J. xiphioides. Feb- 

 ruary — October. 



U. LUPiNi B. & C. I, II & III. On L. albifrons, L. formosus bridgesii, and 

 L. cytisoides. March — July. 



U. POLVGONi (Pers.) Fckl. II. On P.aviciilare. June — August. 



U. TEREBiNTHi (DC.) Wiut. II & III. On Rhus diversHoba. August. 



U. TRiFOLii (A. & S.) Wint. I & III. On T. gracilentum, T. macrei, T. micro- 

 cephaluin, T. ciliolatuni and T. roscidutn. April — June. 



U. ZYGADENUS (?) Pk. II. On Z . freinotiti. March — April. 

 PUCCINIA Pers. 



P. ACHYRODis Diet. & Hoi. (n. sp. in lit.) III. On A. aureum. June — August. 



P. AMORPH.E Curt. III. On ^. Californica J.uly — September. 



P. BACCHARiDis Diet. & Hoi. Erythea i: 250. II & III. OnB. viminea. June — 

 November. 



P. CARicis (Schum.) Rab. II & III. C. barbam and C.filiforniis latifolia. 



P. CL.\RKi.-E Pk. I & III. On Zauschneria californica ; III. On QLnoth&ra bis- 

 torta and Godetia bottcr. May — July. 



P. CONVOLVULI (Pers. ) Cast. II & III. On C . occidentalis. June — August. 



P. CORONATA Corda. II & III. On Holcus lanatus. May — September. 



P. DiGiTATA Ell. & Hark. III. On Rhammis crocea. 



P. EULOBi Diet. & Hoi. Erythea 1:249. I & III. On E. calijornicus. April — Aug. 



P. FLOSCULOSORUM (A. & S. ) Roehl. III. On Card uus calif ornicus and C. occiden- 

 talis. February — -July. 



P. GALii [Pers.] Schw. II & III. On G. calif ornicutn, G . cinereutn, and G. 

 , nuttallii, May — September. 



P. GiLivE Hark. III. On G. atiractyloides. June — August. 



P. GRAMINELLA (Speg. ) Diet. &. Hoi. III. On Stipa eminens. March — June. 



P. GRAMiNis Pers. II & III. On A. fatua, A. saliva. Elymiis condensatus, E. 

 trilicoides, and cultivated barley. 



P. HARKNESSii Vize. III. On Pliloria cickoriacco', June — August. 



P. HELiANTHii Schw^. II & III. On //. annuus. 



P. HiERACii (Schum.) Mart. III. On Malacothrix tenuifolia. July. 



P. INVESTITA Schw. I & III. On Gnaphaliuni californicmn. July. 



P. jONESii Pk. III. On Velcsa arguta. April ^uly. 



P. MALVACEARUM Mont. III. On M. parviflora and hollyhock. 



P. NODOSA Ell. C& Hark. III. On Brodicsa capitata. April. 



P. MCCLATCHiANA Diet. & Hol. Erythea ii : 127. III. On Scirpus sylvaticus 

 microcarpus. 



P. MELLiFERA Diet. & Hol. Erythea 1:251. I & III. On Salvia mellif era. May 

 — July. 



P. MENTH.^ Pers. II & III. On M. canadensis. June — September. 



P. PALEFACIENS Diet. & Hol. Erythea II : 128, III. On Arabis holbocllii. Feb- 

 ruary — April. 



P. PiMPiNELL.^ (Straus.)L k. III. On Osmorrhaza brachyopoda. April — May. 



P. POLYGONi-AMPHiBii Pers. II. On P. acre. 



P. PROCERA Diet. & Hol. Erythea 1:249. II & III. On Elymus condensatus, 

 E. triticocoides, and E. antericanus . 



P. PRUNi-SPiNOSyE Pers. II & III. On leaves of cultivated plums, peaches and 

 apricots. July — October. 



P. PULVERULENTA Grev. III. On Ephilobium paniculattcm. September. 



P. RECONDiTA Diet. &. Hol. Erythea 11: 128. III. On Artemisia vulgaris cali- 

 fornica. September — April. 



P. RUBiGo-VERA (DC.) Wint. II & III. On vpheat Bromus liookerianus and Hor- 

 deum, tnurinutn. March — November. 



P. TANACETi DC. II & III. On Artemisia vulgaris californica. July — November. 



P. XANTHii Schw. III. On A', strumarium. August — October. 

 PHRAGMIDIUM Link. 



P. SUBCORTiciUM (Schr.) Wint. On leaves and stems of Rosa californica and culti- 

 vated roses. 



P RUBMDAEi ( ? ) (Pers.) Wint. II. On leaves, stems, and fruit of cultivated 

 blackberries. July — October. 

 .^CIDIUM Pers. Cluster Cups. 



2^. CI.EMATIDIS DC. On C. ligusticifolia. March — July. 



^. EUPHORBi^E Gmel. On E. albomarginata and E. serpyllijolia. July — September. 



