834 Uredineae inferiores, Roestelia. ' 



sursum liberis, divaricatulis, raargiiie integro v. erosulo, longitu- 

 dinaliter fissis, pallescentibus vel flavescanti-albis, membranaceis, 

 contextu irregulariter elongato-hexagonio, cellulis 25-30 s 10-20, 

 radiatim rugulosis, subhyalinis; sccidiosporis globosis v. e mutua 

 pressione subangulatis, 20-26 s 16-20, episporio tenui, densissime 

 minutissimeque granuloso-papilloso, hyalinis, 



Hab. ad folia viva Salvias cujusdam, in uliginosis pr. Cara- 

 pegua Araericae australis. 



3. Roestelia Cydoniae (Lenorm.?) Thiim. Fung. Parenzo n. 278, yEa- s 

 dium Cydonice Lenorm. in Duby Bot. gall. II, p. 903? — Pseudo- 

 peridiis longissimis usque 2 cm. longis, filiformi-cylindraceis, e glo- 

 bo magno, fere libero, fusco, amphigeno oriundis, raargine inaequa- 

 liter lacerato, erecto; maculis supra luteis, centro fuscescentibus ,• 

 cecidiosporis globosis, luteis. 



Hab. in foliis vivis in fructibus immaturis et in ramulis vivis 

 Cydoni£e vulgaris, in Gallia et pr. Parenzo Austriae. 



4. RoBstelia hyalina Cooke in Rav. Fung. Amer. n. 37 et in Hedwi- g 

 gia 1878, p. 38. — Epiphylla v. amphigena; maculis rufis; aecidio- 

 sporis convexis, brunneis ; pseudoperidiis cylindrico-acuminatis, lon- 

 gitudinaliter et unilateraliter dehiscentibus; secidiosporis globosis, 

 20-22 ft. diam., aurantiacis. 



Hab. in foliis Crateegi, in Carolina australi (Ravenel). — 

 uVerisimiliter cum Gymnosporangio quodam connexa». 



5. Rcestelia phaeospora Ces. Mic. Born. p. 26 (sub Ceraiitio). — Spar- ^j 

 sa; pseudoperidiis columnaribus pallide ochraceis, apice parum di- 

 latatis erosis, pulverulentis, contextu granulari, basi cingulo quo- 

 dam concolori limitata; aecidiosporis castaneis, globosis, opacis, cen- 

 tro subdiaphano, levibus, 14 •^.. diam. 



Hab. ad caulem ignotas stirpis, ad Sarawak in insula Borneo. 



6. Roestelia interveniens Peck in Bull. Torrey bot. Club. 1883, p. 74. 2S 

 — Maculis suborbicularibus, pallidis vel flavescentibus; pseudope- 

 ridiis hypophyllis, brevibus vel modice elongatis, albidis vel pal- 

 lide flavidulis, laceratis et e basi subfissis, contextu cellulis cras- 

 sis, ruguloso-striatis composito; aecidiosporis (in sicco) pallidissirais 

 hyalinisve, subglobosis, 20-30 u. diam., subtiliter rugulosis, epi- 

 sporio 4-6 a. crasso; sperraogoniis in eadem macula irapositis, epi- 

 phyllis. 



Hab. in foliis vivis Malvastri Thurberi et forte Erodii 

 cujusdam in Californiaet Caroliua Americoe borealis. 



