Uredinefe, Dictyosporrt), Ravenelia, 771 



globosis vel e inutua pressione irregularibus, 20-25 y.. diani., epi- 

 sporio crasso, levi v. minutissinie (subimperspicue) granuloso, hya- 

 liuo, protoplasmate nubiloso, fulvello donatis; soris uredosp. late 

 vamulos tumefactos ambientibus, dense gregariis, primo tectis, dein 

 erumpentibus, niinutis, 2-3 mm. ; uredosporis obovatis v. obovato- 

 subglobosis, sursum plus minusve rotundatis, deorsum truncatis, 

 sessilibus, episporio antice incrassato, intense fuligineo, densissime 

 minutoque verruculoso, postice tenuiore, palliore, leviore proto- 

 plasmate granuloso donatis; soris teleut. dense gregariis, ramos 

 juniores parce deformatos late et s^epe totos ambientibus, hemi- 

 spha3ricis, 5-6 mm., pulveraceis, satupate cinnamomeis; teleutospo- 

 ris hemisphaericis, vel globoso-sublenticularibus, 80-95 =; 70-75 e 

 50-60 loculis fertilibus, subcuboideis vel conico-subcuboideis, epi- 

 sporio tenui, levissimo, 20-22^:10-16, fuligineis compositis, sur- 

 sum rotundatis, deorsum truncatis, inferne 10-14 cellulis appendi- 

 cularibus globosis vel ovoideis, hjalinis, 20-25 u. diam. ornatis, 

 pedicello longiusculo seil mox fatiscente 10 u. crass., hyalino v. 

 pallidissime fuscescente suffultis. 



Hab. in ramulis vivis Acacire caveni;© iu montuosis «Sier- 

 ra Dhica» prope S. Jose, Cordoba in Republica Argentina Ame- 

 rica3 borealis (Dr. Hieronymus). 



B. Hemi-Ravenelia. Uredosporse et teleutosporse evolutae; fflcidiospora) 



ignotae. 



2. Ravenella glanduljformis Berk. et Curt. North American Fungi 2688 

 n. 561, Cooke in Journ. of R. Micr. Scc. 1880, III, p. 385, t. XI, 



f. 1-2, Parker Morpii. Raven. glandulif. t. I, f. 1-9, t. II, f. 10-14, 

 Ravenelia glandulosa Berk. et Curt. mscr. — Teleutosporis ur- 

 niformibus, stipitatis, 100-120 [i.. diam , 5-6 cellulas in omni di- 

 rectione circ. pr^ebentibus, cellulis singulis 20 u. latis, deorsura 

 hyalinis plicato-Iobatis, sursum levibus, margiae excedente ; uredo- 

 sporis ellipticis, muriculatis. 



Hab. in foliis Tephrosire spicatre, hispidula?, hispid;e 

 et virginianae, in Carolina inferiori et Georgia aliisque Ame- 

 ricce borealis locis. 



3. Ravenelia glabra Kalchbr. et Cooke in Rabenh. Wint. F. E. n. 2689 

 2624 et Journal of R. Micr. Soc. 1880, III, p. 386, t. XI, f. 9-10, 

 Parker. Morpli. Raven. glandulif. t. II, f. 20.— Sparsa; capitulis 

 magnis 150 u. diam., superue convexis, subsessilibus; teleutospo- 



ris 20 u. diam., levibus, la^te brunneis ; uredosporis ellipticis, ver- 

 ruculosis. 



