Uredinales, Pucciniaoea3, Pucciniese, Puccinia. 671 



16. Puccinia maligna Dietel, Aim. Mycol. XIT, 1914, p. 84. - Teleu- 2454 

 tosoris in foliis canlibusqne tuinores foriua et niagnitudiue varios 

 obtegentibus v. folia valde deformata pbine aniplectentibus nudis 

 pulverulentis obscure castaneis; teleutosporis ellipsoideis, utriuque 

 rotundatis, ad septum leuiter constrictis, epis[)orio 2-2,5 \i cr. ae- 

 quali v. apice paullo incrassato brunneo verrucis parvis laxe di- 

 spositis ornato vestitis, 27-31 ^ 17-20, pedicello caduco instructis. 



Hab. in foliis caulibusque T e c o m a e s t a n t i s Juss., Mexico 

 (K. Reiche). — Pncc. exUiosae Syd. episporio a<iquali tenuiori tan- 

 tum dififert. 



17. Puccinia Cordiae Artbur, Mycologia 1916 p. 17. — Uredosoris by- 2455 

 pophyllis, sparsis, subinde paucis confluentibus, rotundatis, 0,2-0,4 

 mm. diam., atro-ciunamomeis ; parapliysibus 45-75 ^ 10-18, tunica 

 hyaliua 1 |ji cr. , uredosporis late ellipsoideis v. subglobosis, 28-35 



^ 21-25, tunica aureo-bruunea 1,5-2 n cr., typice apice 512 cr., 

 saepe basi quoque incrassata, crebre verrucosa, poris indistinctis, 

 probab. 3-4 aequatorialibus ; teleutosoris saturatioribus, castaneis; 

 teleutosporis ellipsoideis 37-55 * 19-26, utrinque rotundatis, ad sep- 

 tum non constrictis, tunica atro-castanea, aequaliter crassa 2,5-3 [x, 

 V. apice paullo crassiore, grosse et sparse verrucosa; pedicello hya- 

 lino 30-40 * 6-9, sub aqua inflato usque ad 20 (i diam. 



Hab. in foliis Cordiae alliodorae, Ponce Porto Rico 

 (E. W. D. HOLWAY). 



18. Puccinia gilva Arth. et Holw. in Arthur, Amer. Jouru. of Bot, 5., 2456 

 1918, p. 479. — Uredosoris hypophyllis, sparsis, rotundatis, 0,2-0,6 

 mm. diam., mox nudis, pulveraceis, sordide albis, epidermide rupta 

 ciuctis; uredosporis obovatis 19-23^16-19; tunica pallide flava v. 

 hyabna, 1-2 [jl cr., dense echinulata, poris indistinctis praedita; te- 

 leutosoris hypophyllis, aggregatis v. sparsis, subconfertis circa ure- 

 dosoros circinnatim disj^ositis, rotundatis, pulvinatis, mox nudis, 

 0,1-0,3 mm. diam., pallide brunneis, germinatione siibcinereis, epi- 

 dermide rupta inconspicua ; teleutosporis oblongis 40-47 * 16-22, 

 supra obtusis infra obtusis v. subangustatis, septo leniter constric- 



tis ; tunica e flavescenti pallide brunneo-aurata, 1-1,5 [i cr. apice 

 usque 4-7 li^ cr., levi ; pedicello hyalino brevi fragili. 



Mab. in foliis Heliotropii physocalycini, Morau, 

 Antigua, in Guatemala, Amer. centr. — A P. Heliotropil K. et K. 

 et P. Iieliotropicola Speg., caracteribus sporarum diversa, 



19. Puccinia Arnaudi Har. et Dietel, Bull. Soc. Mycol. Fr. 1913, p. 231.— 2457 

 Teleutosoris in foliis flavescentibus hypophyllis saepe totam pagi- 



