106 Uredinacese, Dictyospornf, Ravenelia. 



0. Ravenelia macrocarpa Syd. in Ann. Mycol. I, 1903 p. 329. — Soris ] w 

 uredosporiferis amphigenis, plerumque hypophyllis, maculis obsolo- 

 tis flavescentibus vel brunneolis insidentibus, sparsis vel paueis 

 associatis, minutis, punctiformibus, ilavo-brunneolis, 16-30 v 14-22; 

 soris teleutosporiferis amphigenis, plerumque hypophyllis, sparsis, 

 raro tantum paucis associatis, minutis, punctiformibus, atro-brun- 

 neis; capitulis teleutosporarum globosis vel subglobosis, laete casta- 

 neis, levibus, 80-140 jj.. diam. e sporis 8-10 in omni directione com- 

 positis; sporis omnibus unicellularibus 20-27 ;j.. latis, apice usque 

 5 \x. incrassatis; cystidiis appendicularibus non conspicuis; pedi- 

 cello hyalino brevi. 



Hab. in follis Cassise bicapsularis in Brasilia (Sello). 



10. Ravenelia atro-crustacea P. Henn. Fungi Amaz. I, pag. 159, 1344 

 Hedw. 1904. — Maculis flavo-brunneis, rotundatis ; teleutosporis 

 epiphyllis erumpentibus pulvinatis, primo epidermide fissa velatis, 

 brunneis, dein subcrustiforme confluentibus, aterrimis versiformi- 

 bus; capitulis subhemisphsericis vel irregulariter rotundatis, cinna- 

 momeis, dein atris, levibus, plerumque 4-6-cellularibus, 45-70 ;j.. d.; 

 cellulis continuis ovoideis v. subtriquetris ca. 20-28 » 18-25, cysti- 

 diis ca. 4 subglobosis, inflatis, ca. 25-30 ;j.. diam.; pedicello hyphis 

 plurimis composito, hyalino fuscidulo usque ad 50 « 6-7. 



Hab. in foliis Swartzise jpec, Rio Jurua, Miry, Amer. merid. 



— Habitus quasi Fumaginis. 



11. Ravenelia Schweinfurthii Syd. in Ann. Mycol. I, 1903, p. 330. 1345 



— Soris uredosporiferis amphigenis, maculis irregularibus insiden- 

 tibus, sparsis vel paucis laxe aggregatis, minutissimis, punctifor- 

 mibus, flavo-brunneis ; uredosporis subglobosis v. ellipsoideis, bre- 

 viter echinulatis, flavo-brunneis, 16-20*11-16; soris teleutospo- 

 riferis conformibus, obscurioribus; capitulis teleutosporarum ro- 

 tundatis, ^p-105 \i. diam., castaneo-brunneis, levibus e 4-6 sporis 

 in omni directione compositis; sporis unicellularibus apice circ. 

 4 a. incrassatis, 18-28 ;j.. latis; pedicello deciduo, hyalino; cysti- 

 diis numerosis, liyalinis, globosis, 22-30 a. diam. 



Hab. in foliis vivis Entadse sudanicae, Duggu et Doggudu 

 Africa centr. int. (G. Schweinfuhtu). 



12. Ravenelia Caesalpiniae Arthur Bull. Torr. Bot Cl. 1904, pag. 5. km,; 



— Pycnidiis s;i.'pe epiphyllis, subepidermicis, in greges conge- 

 stis, depressis, 60-100*15-18, luteo-aurantiacis, dein brunneis; 

 soris uredosporiferis soepe hypophyllis subcuticularibus congestis 

 dein irregulariter sparsis, subrotundis vel oblongis, diu luteolis 



