'100 Uredinacese, Phragmosporse, Phragmidiom. 



Hab. In foliis Rubi parvifolii, in prov. Kozuke Japoniae 



(KlJSANO). 



5. Phragmidium affine Syd. Ann. Mycol. 1904, p. 29. — Soris ure- 1325 

 dqsporiferis hypophyllis, maculis minutis flavis 1-2 mm. diam. 

 insidentibus, sparsis, minutis, flavis; uredosporis globosis, subglo- 

 bosis vel ellipsoideis, verruculoso-echinulatis, hyalino-flavidis, 22- 



27 * 18-24; soris teleutosporiferis hypophyllis, singulis interdum 

 etiam epiphyllis, sparsis, minutis, ca. 0,8-1 mm. diam. pulveru- 

 lentis, atro-brunneis ; teleutosporis oblongis, typice 2-septatis, ra- 

 rissime 1- vel 3-septatis, ad septa ut plurimum non constrictis, 

 utrinque rotundatis, apice verruculoso-tuberculatis, dilute brunneis 

 35-50 « 20-25, rarius 3-septatis, usque 56 ;j.. longis, episporio 

 usque 3 u. crasso; pedicello hyalino, usque 50 ;j.. longo, crasso, 

 basim versus leniter attenuato. 



Hab. in foliis vivis Potentillse Blaschkean.r. Lisson in 

 California, Bauf in Canada, Amer. bor. 



6. Phragmidium Potentillas canadensis Dietel in Hedw. 1903, p. (179;. 1326 

 — Soris hypophyllis minutis in maculis purpureis, brunneis vel 

 flavis; uredosporis ellipsoideis, 18-22^15-17, episporio tenui ver- 

 ruculoso incolorato vestitis, contextu aureo ; soris teleutosporiferis 

 cinnamomeis ; teleutosporis 2-4-cellularibus, clavatis v. elongato-el- 

 lipsoideis, interdum curvatis, usque 100 a. longis, 23-34 ;x. latis, 

 superne rotundatis vel rarius conoideis, episporio flavo-brunneo 



vel dilute castaneo, apice plerumque modice incrassato indutis, 

 pedicello usque 70 p.. longo suffultis. 



Hab. in foliis Potentilla 1 canadensis in America bor. 



7. Phragmidium Andersoni Shear in Bull. of the Torr. Bot. Club. V32i 

 1902, pag. 453. — Soris amphigenis, leniter pulvinatis, luteolis, 

 sparsis abundantibusque, 200-400 ;j.. diam.; teleutosporis oblongo- 

 cylindraceis, dense tuberculato-rugosis, fere nigris, 60-75 « 32-34, 

 bi-qua'lri-septatis, papilla apicali subhyalina, raro obscura, dona- 

 tis; pedicello hyalino 60-105 \i. longo, fistuloso, ruguloso incras- 

 sato, 15-20 ;j.. crasso. 



Hab. in foliis Pontentillie fruticos;c, Amer. bor. 



8. Phragmidium Ivesiae Syd. in Ann. Mycol. I, 1903, p. 329. — Soris 1328 

 uredosporiferis amphigenis, plerumque hypophyllis, maculis nullis 



vel indeterminatis pallescentibus insidentibus, sparsis, minutis, 

 punctiformibus , pulverulentis, dilute brunneis ; uredosporis glo- 

 bosis vel subglobosis. rarius ellipsoideis, echinulato-verruculosis, 

 livalino-flavidis, 22-27 v 20-25, episporio ca. 2,5 ;j.. crasso; soris 



