UredinacefP, Uromyces. 583 



cleorsum cuneatis 25-40 ^ 24-25 pallicle fulvis, peclicello subpersi- 

 stente 50-60 « 5-6, hyalino v. vix fumoso fultis, 



Hah. in foliis Junci stipularis in uliginosis alpinis prope 

 Puente del Juca Mendoza, Amer. austr. 



180. Uromyces Junci-efTusi^ S.yd., Mon. Ured. II (1910) pag. 290; 2278 

 Urom. effusus Artli. (1907) nec Peck. — Uredosoris amphigenis, 

 sparsis, ellipticis v. linearibus, minutis, '/^-1,5 mm. longis, denique 

 nudis, epidermide fissa cinctis, cinnamomeo-brunneis ; uredosporis 

 subglobosis V. ovatis, sparse et obtuse ecliinulatis, flavo-brunneo- 



lis, 18-26 « 14-20, episporio c. 1,5-2 \y. cr., poris germinativis 4 

 tequatorialibus instructis; teleutosoris amphigenis, sparsis, ellipticis 

 v. linearibus, 0,5-2 mm. longis, confluendo subinde majoribus, epi- 

 dermide denique fissa cinctis, pulvinatis, atris ; teleutosporis elli- 

 psoideis, ovatis v. oblongis, apice rotundatis v. rarius acutiuscuHs, 

 valde incrassatis (usque ad 10 [i.) levibus, brunneis, apice obscu- 

 rioribus, 24-34^14-19; pedicello brunneolo, persistenti, sporam 

 circiter sequante v. parum superante. 



Hdb. in foliis Junci effusi in America bor. 



181. Uromyces effusus Arth., Journ. of Mycol. XIII (1907) p. 193. 2279 

 — Pycnidiis et ;ecidiis ignotis; uredosoris amphigenis, sparsis, ob- 

 longis V. linearibus, 0,1-0,3 mm. latis, 0,3-1,5 mm. long., diu te- 

 ctis, obscure cinnamomeo-brunneis, erumpentibus; uredosporis late 

 ellipsoideis v. ovoideis 18-26*14-19, tunica flavidula 1,5 (j.. cr., 

 remote et ruditer echinulata, poris germinativis 4 lequatorialibus 

 praedita; teleutosoris amphigenis, numerosis, sparsis, oblongis vel 

 linearibus 0,2-0,5 mm. diam., 0,3-2 mm. v. ultra long., raro con- 

 fiuentibus, demum erumpentibus pulveraceis; teleutosporis obovatis 



V. late ovoideis 24-33 ^ 13-19, apice obtusis vel raro acutis, ple- 

 rumque basi augustatis ; tunica castaneo-brunnea, 1,5-2 [j.. crassa, 

 supra crassiore, 6-10 ;j,., levi; pedicello colorato, sporam subse- 

 quante. 



Hab. in foliis Junci effusi, in America boreali. 



182. Uromyces Heleocharidis Arth., Bull. Torr. Bot. Cl. XXXIII 2280 

 (1906) p. 514. — Uredosoris amphigenis, sparsis, oblongis 0,3-1,5 

 mm. long., tarde una v. pluribus rimis longitudinalibus dehi.scen- 

 tibus, obscure cinnamomeo-brunneis; uredosporis ex oblongo late 

 ovoideis, 19-29 *:> 15-19, tunica flavo-aurata, 1-1,5 jx cr,, sparse et 

 minute echinulata; poris germinativis plerumque 3, jcquatorialibus 



v. subequatorialibus ; teleutosoris amphigenis, sparsis, 0,5-2 mm. 

 long. V. ultra, tarde dehiscentibus, theobromino-brunneis; teleu- 



