Uredinales, Pucciniace», PuccinieEe, Uromyces. 639 



deis V. oblongis, 0,3-0,8 mm. long., mox nudis, pnlveraceis, epi- 

 dermide rupta cinctis ; uredosporis obovatis v. ellipsoidei^, 30-35 

 * 23-27 ; tunica cinnamomeo-brunnea, 1-1,5 pt, modice echinulata, 

 poris germ. 2, leniter superaequatorialibus ; teleutosoris hypopliyl- 

 lis, sparsis, ovatis v. oblongis, 0,3-08 mm. long., mox nudis, sub- 

 pulverulentis, pallide castaneo-brunneis, epidermide rupta cinctis ; 

 teleutosporis oblongis v. anguste ellipsoideis, 35-50 * 18-23, utrinque 

 augustatis, tunica supra brunneo-aurata, infra pallidiori v. liyalina, 

 tenui, 1 (X, apice 5-13 [Ji cr., levi ; pedicello hyalino, fragili, sporam 

 longitudine aequante. 



Hah. in foliis Salmeae scandentis, S. Luca Toliman, 

 7000 ped. alt., Solola, in Guateraala, Amer. centr. (Holway). 



15. Uromyces brasilianus Speg., Mycet. Argent. VI, Anal. Mus. Nac. 2361 

 Buenos Aires XXIII p. 27 (1912). — Maculis nullis, teleutosoris 

 ampliigenis, piilvinatis, primo epidermide tectis dein erumpentibus, 

 majusculis, 3-10 mm. diam., diflformibus, aurantiacis; teleutosporis 

 dense constipatis, ellipsoideis vel ovoideis, rectis vel phis minusve 

 inaequilateris, 35-40 * 16-20, episporio subhyalino, levi, superne 

 crasse umbonato atque saepius pervio vestitis, endoplasmate mi- 

 nute guttulato farctis, pallide rufescentibus, pedicello hyalino, rec- 

 tiusculo, 75-90 * 6-10, deorsum non vel vix incrassatulo fultis. 



Hab. in foliis vivis Seuecionis brasiliensis in dunetis 

 Isla Santiago prope La Plata, Argentina. 



16. Uromyces pressus Arthur et Holway, Mycologia 10., 1918, p. 125. — 2362 

 Spermogoniis epiphyllis inconspicuis subepidermicis, globosis, 110 \i 

 diam.; periphysibus praesentibus; uredosoris amphigenis gregariis 



in maculis decoloratis 1-3 mm. diam. insidentibus, elbpsoideis v. 

 oblongis 0,2-0,4 mm. long., mox nudis pulverulentis, brunneo-fla- 

 vescentibus, epidermide rupta cinctis; uredosporis obovatis v. glo- 

 bosis 26-32 v 23-26, tunica flavescenti v. pallide cinnamomeo-brun- 

 nea 2,5-3,5 \i cr. praeditis, moderate crebreque echinulatis, poris 3 

 subaequatorialibus; teleutosoris amphigenis, sparsis ellipsoideis v. 

 oblongis 0,2-0,3 mm. long. mox nudis, albis, epidermide rupta ci)ictis 

 sed iiarum conspicuis; teleutosporis elongato-ellipsoideis v. fusiformi- 

 ellipsoideis, 29-35 ^ 16-18, utrinque rotundatis v. attenuatis, tunica 

 hyalina uniformiter 0,5 \i. cr. levi; pedicello hyalino sporarum dimi- 

 dium breviore. 



Hab. in foliis Yernoniae Deppeanae Less. et Verno- 

 niae sp., S. Jose, S. Ramon, Cartago, Costa Rica, America Centr. — 

 Teleutosporae in situ germinantes. 



