800 Uredinales, Pucciniacese, Pucciniese, Ravenelia. 



iiiterioribiis (an seinper?) et 6 inargiiialibiis conipositis, sporis om- 

 nibus papillis nnmerosis (8-15), byalinis 2,5-4 |i longis obsitis; cy- 

 stidiis ovato-globosis, niinntis, eodem numero qno sporis margina- 

 libns ; pedicello deciduo, liyaiino, ex hyphis dnabus composito. 

 Hab. \n foliis C a 1 I i ;i n d r a e sp., Eoraima, Brasilia (E, Ule). 



19. Ravenelia Hassleri Speg-., Myc. Argent. VI, Anal. Mus. Nac. Bue- 28( 

 nos AiresXXlII p. 21(1912). — Maculis uullis; acervulis ampiiigeuis, 

 erumpentibus, parvulis, 0,4-0,7 mm. latis, Iiinc inde deuse gregariis 

 saepeque confluentibus, subi^ulverulentis ; teleutosporis heniispliae- 

 ricis, mediocribus, 40-50 |jl diam. 30 ijl altis, 5-10-cellubiribus, cellulis 

 fertilibus arcte conuatis, obpyramidatis, 16-18 [i diain., ferrugineis, 

 cellulis sterilibus (cystidiis) 5-0, subradiautibus, subellii)ticis, 20 ^ 

 18-20; pedicello hj^alino, persistente, breviusculo, 30 ^^ 8-10. 



Hab. in foliis vivis E n t e r o I o b i i t i m b o u v a e, in silvis 

 reipubl. Paraguariensis (Hassler). — E sectio Euravenelia. 



20. RavenelJa HofFmannseggiae W. H. Loug, Botan. Gaz. LXIV, p. 57 28( 

 (1917). — Pycnidiis ignotis ; uredosoris amphigenis, sparsis, orbi- 

 culatis vel irregulariter ovoideis, brunueis, subepidermicis, epider- 

 mide rupta promiuentibus, .iparaphysatis; uredosporis obovatis, el- 

 lipsoideis vel subglobosis, 26-30 * 16-25, episporio teuui, 1-1,5 [a 

 crasso, aequali, coucolori, isabelliuo, sicco sitarsim et minute echi- 

 nulato,, udo simulate levi, [)oris germinativ. 8, iu uredosporis glo- 

 bosis sparsis, in ovoideis auulos duos quaternarios efformantibus, 

 uno subaequatoriali, altero subapicali ; teleutosporis adhuc ignotis. 



Hab. m foliis H o f f m a n u s e g g i a e o x y c a r p a e, Del Rio, 

 Texas, Amer. bor. 



21. Ravenelia Whetzelii Arthur, Mycologia IX, 1917, p. 64. — Pycni- 28; 

 diis amphigenis, luimerosis, iu greges orbiculares 1-3 mm. latos 

 dispositis puuctiformibus, obscure brunneis, subcuticularibus, de- 

 presse hemisphaericis ; uredosoris amphigenis, folium plus v. minus 

 incrassantibus, primum pycnidia circumdantibus, greges v. anulos 

 1-6 mm. latos efifbrmantibus, parvos, confertis contluentibusque, diu 

 tectis, obscure ciunamomeo-brunneis, subepidermicis, pulverulentis, 

 epidermide rupta consijicuis; paraphysibus uullis; uredosporis sub- 

 obovatis, 30-40 * 18-24 ; tunica aureo-brunnea, modice incrassata 

 1,5-3 p. supra usque 3-7 i^ cr., echiuulato-verrucosa et longitudiua- 

 liter striata, striis continuis v. mouiliformibus 1 p circ. inter se 

 remotis, poris 3-4 aequatorialibus praeditis ; teleutosporis ignotis. 



Hab. in foliis I n g a e v e r a e , Maricao, Mayagiiez Porto Rico, 

 Amer. bor. 



j 



"9 



