724 Urcdinales, Pncciniaceaj, Pucciuiese, Puccinia. 



piirpiirasceutibus latis iusideutibus, rotuudatis 0,1-0,5 uim. diam., 

 uiox uudis pulviuatis, tbeobromiuo-bruuueis, epidermide rupta iu- 

 couspicuis ; teleutosporis oblougis, 32-42^10-15, utriuque rotuu- 

 datis V. obtusis, iufra saepe augustatis, septo coustrictulis; tuuica 

 pallide castaueo-bruuuea v. germiiiaudo pallidiori, 1,5-2 pi cr. apice 

 etiaui crassiori 3-10 [i, levi ; pedicello e j^allide bruuueo liyaliuo, 

 sporam subaequaute v. duplo lougiore, persistenti. 



Hah. in foliis S a u r a u j a e C o u z a 1 1 i , S m i t h i a u a e et 

 Sauraujae sp,, iu Guateuiala pluribus locis, Amer. Ceutr. 



159. Puccinia vergrandis Artb. et Holw. in Artbur, Amer. Jouru. of 259' 

 Bot. 5., 1918, p. 474. — Uredosoris uon visis ; uredosporis teleu- 

 tosoris immixtis, obovatis 32-40 » 26-32; tuuica aurato-bruuuea, 3 [a 



cr., apice crassiuscubi usque 5 [x, crebre moderateque ecliiuulatn, 

 poris 2-4 subaequatorialibus praedita ; teleutosoris pleriuuque by- 

 l)opliyllis, iu greges 2 4 min. diam. auunlatim coutiueutibus, rotun- 

 datis, 0,3-1 mm. diam., mox uudis, castaueo-brunueis dein germi- 

 uatione cinereis, epidermide rupta cinctis ; teleutosporis ellipsoi- 

 deis V. oblougis 37-45 * 29-31, apice rotundatis infra subcuueatis, 

 septo leniter coustrictis ; tuuica aurato-v. ciunamomeo-brunuea, 

 crassiuscula 1,5-2,5 apice usque 4-7 |i, verrucoso-rugosa; pedicello 

 byalino, fragili. 



Hah. in foliis S a u r a u j a e p a u c i s e r r a t a e , Colombo in 

 Guatemala, Amer. Ceutr. 



160. Puccinia valida Arthur, Bull. Torr. Bot. Club 42. (1915) p. 591.— 259i 

 Uredosoris hypophyllis, iuaequaliter sparsis, irregulariter rotunda- 



tis vel parum elongatis, 0,3-0,7 mm. lougis, mox nudatis, pulveru- 

 leutis, cinuamomeo-brunueis; uredosporis ellipsoideis vel late obo- 

 vatis, 22-28 <«; 17-21, episporio ciuuaiuomeo-bruuueo, 1,5-2 [i cr., 

 uioderatim echiuulato, poris aequatorialibus duobus parum subae- 

 quatorialibus ; teleutosoris quoque hypophyllis, sparsis, leviter pul- 

 vinatis, uredosporis siinilibus sed obscurioribus ; teleutosporis ob- 

 longis vel ovato-oblongis, 28-39 * 13-19, apice rotuudatis, basi le- 

 niter attenuatis, ad septum coustrictis, episporio tenui, 1 [a cr,, 

 apice ad 4-7 i^ iucrassato, ciuuamomeo-brunueo, levi ; pedicello fra- 

 gili, colorato, longitudiue sporam aequante v. rupto multo breviore, 

 Hab. iu foliis Dioscoreae convolvulaceae, Jalapa, 

 Mexico (E. W. D. Holway). 



161. Puccinia Claoxyli Syd., Ann. Mycol. 1916, p. 354. St. uredosp. 259f 

 Uredo Claoxyli Sacc, Aun. Mycol. 1915 p. 126 (diagn. ex specimiue 

 vet.). — Uredosoris auiphigeuis, maculis miuutis 2-4 mm. diam. 



