Uredinales, PucciniacesB, PucciniesB, Ravenelia. 801 



22. Ravenelia sololensis Artb. et Holw. in Artbur, Amer. Journ. of 28ii 

 Bot. V, 1918, y. 425. — Uredosoris ampbigenis et fructicolis, sparsis 

 rotundatis v. ellipticis, 0,2-0,5 mm. cr., iu fructibus usque 4 mm. 

 long., mox uudis, subcuticularibus, pulveraceis, obscure castaneo- 

 bruuneis, cuticula rupta cinctis; parapbysibus intermixtis, clavato- 

 capitatis, 64-87 ^ 13-16, tunica iufra byalina, supra castaneo-brun- 

 nea, iufra 0,5 p cr., supra 3-4 [x cr. ; uredosporis ellipsoideis v. late 

 obovatis, 27-35 «^ 16-19 ; tunica supra pallide castaneo-branuea iufra 

 pallidiori, 1,5 jx cr. snpra quandoque leviter crassiori usque 3 [i, 

 moderate ecliinulata, poris 4 aequatoriaiibus praedita ; teleutosoris 

 amphigenis v. fructicolis, sparsis, rotimdatis v. elliptico-elongatis 

 0,2-0,4 mm. cr. in fructibus usque 6 mm. long., mox nudis, subcu- 

 ticularibus, obscure castaneo-brunneis, cuticula rupta ciuctis ; te- 

 leutosporis castaneo-brunneis, 7-9 cellularibus, 70-107 t^ diam.,quaque 

 cellula spinulis subbyalinis 4-6, 3 ji circ. loug. praedita; cysti infra 

 inserta. 



Eab. in foliis fructibusque Lysilomae acapuleensis, 

 Solola, 7000 ped. alt., Guatemala, America centr. (Holway). — A 

 E. Lysilomae Artb. differt forma uredospor. et teleutosporis spi- 

 nulosis. 



23. Ravenelia annulata W. H. Long, Bot. Gazette LXI p. 423 (1916).— 2812 

 Pycnidiis ignotis; uredosoris epipbylb's, parcis, ellipsoideis vel sub- 

 ovatis, minutis, vix 0,5 mm. diam., subepidermicis, sero nudatis , 

 parapbysibus paucis, e clavato siibcylindraceis, 36-70 * 8-16, apice 



ad 5-7 [i incrassato pallide castaneo-bruuneo, stipite subbyalino ; 

 uredosporis ovatis vel ovato-fusoideis, inaequilateris, plerumque 

 acuminatis, 27-37 * 17-23, episporio 2 |j. cr. ciunamomeo-brunneo 

 sparsim sed distincte ecbinulato, annulo aequatoriali byalino 7-10 {jl 

 alto praeditis, saepe in basim subcylindraceam bj^alinam abrupte 

 attenuatis ; poris germ. 6, minutis, iu zona byalina aequatoriali 

 sitis ; teleutosoris ei^ipbyllis non maculicolis, minutis, subellipsoi- 

 deis vel irregulariter ovatis, 0,5-1 X 0,125-0,5 mm., subepidermicis, 

 pallide castaneo-brunneis, sero nudatis, parapbysibus copiosis in- 

 conspicuis circumdatis, parapbysibus ut in uredosoris; teleutospo- 

 rarum capitulis castaneo-bruuneis, irregularibus, ovoideo-applanatis, 

 levibus, 53-37 ^ 50-73, e cellulis 12-34 cujus 8-16 marginalibus com- 

 positis ; cystis byalinis, paucis, cellulas peripbericas numero sub- 

 aequautibus, adpressis, lateraliter adnatis, in aqua inflantibus; pe- 

 dicello byalino, brevi, deciduo. 



Hah. in foliis L 5' s i 1 o m a e 1 a t i s i li q u a e , Miami, Florida, 



Syll. fung. XXIII (IX-1924) 51 



