r)82 Tlredinnopfr, rrdtnvccs. 



Sydow, Mon. Ured. TT (10 10) pag. 295; Uromt/ces Caladii Farl. 

 et Auct. p p. — Syll. VII, p. o;'.7. — Pycnidiis hypophyllis, nu- 

 merosis; ;i'fidiis liy])Oj)hyllis sino maculis plerumque per totam 

 foliorum superficiem v. magnam ejus partem ;cqualiter distributis, 

 minutis, lireviter cupulatis, flavis, margine inciso: SBcidiosporis an- 

 gulato-globosis v. ellipsoideis, minute verruculosis, hyalino-flavidis, 

 18-26 =* 15-21 ; uredosoris amphigenis, sparsis vel laxe gregariis, 

 irregulariter distributis. minutissimis, epidermide fissa cinctis, pul- 

 verulentis, dilute brunnois ; uredosporis ellipsoideis, ovatis v. pi- 

 riformibus, apice incrassatis (usque ad 7 \i), echinulatis (praecipue 

 ad apicem), flavis. 25-38 » 17-25, episporio c. 3 ;j.. cr. ; teleutosoris 

 conformibus, obscure brunneis; teleutosporis subglobosis. ovatis v. 

 oblougis, apice papilla hyalina v. subhj^aliua usque ad 7 a. alta, 

 instructis, levibus, flavis v. flavo-brunneolis, 25-32 * 17-25, rarius 

 usque ad 36 a. long., episporio 1,5-2,5 ;j.. cr. ; pedicello hyalino, 

 tenui. sporam circiter ;equante. 



Hah in foliis .\risnemje Dracontii, macrospathi, tri- 

 phylli in America bor. et Mexico. 



178. Uromyces Arl-virginlci (Schw.) Howe Bull. Torr. bot. Club V 2276 

 (1874) p. 43. p. p., Uredo Caladii Schw. in Syn. Fg. Carol. sup. 



p. 71 (1822); Sydcw. Mon. Ured. TI (1910) p. 295. — Uredosoris 

 ampbigenis. maculis nullis v. minutis flavidis insidentibus, sparsis, 

 subinde paucis laxe aggregatis, minutissimis, epidermide fissa cin- 

 ctis, pulverulentis, flavo-brunneis; uredosporis plerumque oblongis 

 subinde clavatis, rarius ellipsoideis, apice incrassatis (usque ad 9 ;j..), 

 laxe echinulatis (pnccipue ad apicem), flavidis, 28-45*17-25, ej)i- 

 sporio 3-3.5 ;j.. cr. ; teleutosoris conformibus, brunneis; teleutosporis 

 ovatis V. oblongis, apice papilla dilutiore subhyaliua usque ad 7 

 ;j.. alta, instructis, levibus, flavis v. flavo brunneolis, 28-45^20- 

 28, episporio 2-2,5 ;j.. cr. ; pedicello brevi, hyalino. 



Ilab. in foliis Peltandno virginicse, America bor. — Ab 

 Urom Arisa3m(V differt statu secidiali uullo nec non uredo- et te- 

 leutosporis majoribus. 



179. Uromyces juncicola Spcg., An. Mus. Nac. Buenos Aires t. XIX 2277 

 (1909) p. 312. — Maculis pallescentibus indeterminatis; soris hinc 

 inde sparsis rarius gregariis, rimose eriimpentibus subellipsoideis, 

 0,5-1 mm. long., tumidulis, pulverulentis, atro-ferrugineis ; ure- 

 dosporis globosis v. ovoideis 20-24 ;j.. diam., pallide fulvis. epi- 

 sporio t«nui, minuto papilluloso; teleutosporis ellipsoideo-obovatis 

 levibus supra rotundatis, subtruncatis vol umbonatis, incrassatis, 



