'?40 UredinacefB, Ravenelia. 



ex hyphis hyalinis composito, usque ad 76 |j.. longo; cellulis ap- 

 pendicularibus globosis, hyalinis, 15 jx. lato. 



Ilah. in foliis vivis Cassiae sp.", Marral in Africa orient. lu- 

 sitanica. — Affinis Rav. macroqisti. 

 16. Ravenelia microspora Diet., Ann. Mycol. VI (1908) pag 98. — 2304 

 — Soris minutis epiphyllis, circulo^ 1-1,5 mm. latos circa sorum 

 centralem formantibus, minus copiose hypophyllis, sparsis, cuticula 

 fi.ssa cinnamomea semitectis; uredosporiferis cinnamomeis teleuto- 

 sporiferis nigris; uredosporis obovatis v. ellipsoideis 12-14 »9-10,5 

 dilute flavo-brunneis, poris germinativis 4 aequatorialibus instru- 

 ctis, echinulatis, sine paraphysibus; capitulis teleutosporarum he- 

 misphcericis, sporas unicellulares 8-10 iu directione transversali 

 gerentibus, 80-100 [j.. latis, castaneis, papillis cylindraceis v. ver- 

 rucis sparsis dilute brunneis, ornatis, celluhs cystoideis globosis 

 numerosis. 



Hah. in foliis Cassioe sp., Brasilia, Nossa Seuhora, S. Paulo 

 (leg. A. UsTERii. 



16. Ravenelia LysilomaB Arthur, Bot. Gaz. vol. XXXIX (1905) p. 392; 2805 

 North Amer. FI. VII (1907^ p. 146 (in gen. Dendrmcia). — Py- 

 cnidiis epiphyllis, in parvos greges congestis, punctiformibus, la- 

 tiusculis, pallide flavo-brunneolis, subcuticularibus, hemisphaerico- 

 depressis, 80-130 ;j.. altis; teleutosoris epiphyllis, in maculis pallidis 

 insidentibus, dein amphigenis, minutis, 0,25-0,5 mm. diam., rotun- 

 datis, eastaneo-brunneis, subepidermicis ; paraphysibus numerosis 

 intermixtis, inconspicuis, cylindraceis, 30-40 * 7-10, pallide brun- 

 neo-auratis, tunica tenui v. raro crassa; teleutosporis apice casta- 

 neo-brunneis, 7-9-celluIaribus, 80-120 [j.. diam., levibus; cystibus 



ad capitulum adpressis, lateraliter unitis; pedicello hyalino, brevi, 

 deciduo. 



Ihih. in foliis Lysilonife tergeminae, Mexico. 



17. RavenelJa Sydowiana Eick, Fungi austro-amer. VII et VIII, 280G 

 n. 151, Ann. Myc v. V (1907) p. 337. — Maculis in pagina su- 

 periore ilavidulis; teleutosoris hypophyllis et petiolicolis, erum- 

 pentibus, granulosis, nigris, splendidis, pseudoperidio mox evanido, 



1-5 mm. latis; capitulis rotundatis, e 4-10 sporis compositis, brun- 

 neo-atris, 50-8') ;j.. diam ; sporis continuis, subcuneiformibus, ca. 

 15 ;j.. latis, 18 ;j.. longis; cystidiis circiter 4,25 [j.. diam., hyalinis; 

 pedicelio hyalino, mediocri. 



Hab. in foliis LeguminoscC spec, in Brasilia. — Differt a 

 Ravenelia afro-crnstata P. Henn. fructiiicatione hypophylla. 



