Uredinales, Pncciuiacese, Pucciniese, Pucciuia. 697 



hypophyllis, rotundatis, pustiiliformibus, luiuutis, 1 mm. usque la- 

 tis, compactiusculis, obscure bruuneis ; teleutosporis anguste cla- 

 vatis, 36-52*16-21, ad septum tenuiter constrictis, cellula supe- 

 riore breviore et crassiore, apice rotuudata, raro attenuata, infe- 

 riore angustiore sensim attenuata; membrana pallide hiteo-brunnea, 

 1 |x crassa, apice usque ad 8-11 \i incrassata ; poro germinativo 

 apicali distincto ; pedicello persistente subhyalino. 



Bab. \n foliis Pyrethri par thenifol i i (z= h r y s a n t h. 

 p r a e a 1 1 u m- , sed potius C h r. parthenium), Steglitz in 

 Germania (Sydow, Myc. niarch. 3711 sub P. Pyrethri). — Ulteriiis 

 inquirenda. 



83. Puccinia SchistOCarphae Jacks. et Holw. in Arthur, Amer. Journ. 2521 

 of Bot. 5., 1918 p. 534, — Teleutosoris hypophyllis confertis areas 

 0,5-2 mm. latas occupantibus, niox nudis, compactis, pallidissime 

 bruhneo-tlavescentibus demum germinatione cinereis, epidermide 

 rupta non conspicuis; teleutosporis oblongis 39-55 * 16-22 utrinque 

 rotundatis v. infra leniter angustatis septo constrictulis ; tunica 

 liyalina v. pallidissime brnnneo-aurata, 1-1,5 [i- cr. apice usque 5-9 v-, 

 levi ; pedicello hyalino brevi. 



Hah. in foliis S c h i s t o c a r p h a e p 1 a t y p h y 1 1 a e in Gua- 

 temala pluribus locis, Amer. Centr. — Est Leptoforma. 



84. Puccinia Senecionis-ochrocarpi Baccar., F. Etiop. II n. 52 in Pi- 2522 

 rotta Anu. Bot. XIV 1917 p. 127.— Soris teleutosporiferis hypo- 

 phyllis ad 120-150 [i latis, irregnlariter aggregatis, cito nudis ac 

 epidermide lacerata cinctis, pulverulentis, atro-brunneis ; teleuto- 

 sporis ellipticis, in sicco collabescentibus : late ellipsoideis, utrin- 



que rotundatis, ad apicem non incrassatis (35-41*48-52); pe- 

 dicello hyalino deciduo, ad 4 |i aequaliter crasso, 40 v- et ultra 

 longo. 



Hab. in foliis Senecionis ochrocarx)i, Semien Uullrefit 

 Aetiopia sept., (Chiovenda). 



85. Puccinia atlantica Maire, Bull. Soc. H. N. Afr. Nord, 1915 p. 130 2523 

 c. ic. — Autoeu-puccinia; pycnidiis hypophyllis, melleis, iu centro 

 maculae aecidiforae evolutis, subepidermicis, lageniformibus, pedi- 

 cello ostiolari couico exerto ; aecidiis epiphyllis maculis purpureo- 

 violaceis insidentibus, in greges rotundatos 1-2 mm. latos dispo- 

 sitis, cupuliformibus, 300-350 [jl diam. ; pseudoperidio albido, re- 

 voluto, lacerato, celhilis extus crassioribus, verrucoso-echinatis ; 

 aecidiosi)oris angulato-subglobosis 18-22*16-18, episporio hyalino, • 

 subtiliter et deuse verrucoso, contentu luteo-aurantiaco; uredosoris 



