Uredineao inferiores?, Peridermium. 837 



expallescontibus, intus homogcnois, 36-42-26-32, opisporio sub- 

 crasso, densissime sed minute verruculoso, verrucis, hemisphooricis. ^ 

 ll Hab. in conis maturis Pini Engclmannii, Colorado Amc- 



ricse borealis (Peck). 



8. Peridermium Thomsoni Berk. in Indian Forester III, p. 94, Thiim. 2987 

 Monogr. p. 320 (nomen) ^cidium Thomsoni Berk. in Gard. Chron. 

 1852, p. 627 cum icone. 



. Hab. in acubus Abi etis Smithiance, prope Mahasu, Sinala, 



et Sikkim Himalaya in India orientali (I. S. Gamble). 



9. Peridermium Cerebrum Peck 25 Rep. p. 91, Thiira. Monogr. p. 312. 2988 

 — Pseudoperidiis magnis, convexis, flavis, erumpentibus, dense gre- 

 gariis, irregulariter confiuentibus, circumvolutiones cerebriformes 

 efformantibus, irregulariter ruptis, celiulis contextus granulatis mar- 

 gine radiato-striatis; recidiosporis variabilibus, subglobosis, ovatis v. 

 ellipticis, 24-33^17-19, rugulosis, flavescentibus. 



Hab. in truncis ramisque Pini rigidse, Center (Lintner) New 

 York (Peck), New Jersey (Ellis), Pensylvania et Distr. Columbia 

 (Seamond) Americ» borealis. — Tubercula 1-5 cm. diam. naticula- 

 ta, orculiforraia, pallide aurantiaca, primo tecta dein libera efficit. 



10. Peridermium Strobi Klebahn in Hedwigia 1888, p. 119. — ^Eci- 2988* 

 diosporis episporio verrucoso, raagna ex parte oranino levi. 



Hab. ad cortices Pini Strobi, in Germauia. 



11. Peridermium Peckii Thum. Monogr. Periderm. p. 320. — Pseu- 2989 

 doperidiis densissime gregariis, mediis, sine ordine dispositis, sub- 

 oblongo-utriculosis, pallide luteis, cuticula vertice irregulariter cre- 

 nulato-dilacerata, membranacea, expallida, suboblonga in folii parte 

 decolorata straminea; secidiosporis aut globosis aut late elliptico- 

 globosis, utrinque rotundato-regularibus, pallide aurantiacis sed 

 cito expallescentibus, 20-24 - 14-19, episporio subcrasso, dense mi- 

 nutissimeque verruculoso donatis. 



Hab. in acubus vivis Abietis canadensis, in America bo- 

 reali (Peck). — Peridermium decolorans Peck 27 Rep. St. Mus. 

 p. 104 videtur ad Chrysomyxam referendura. 



12. Peridermium filamentosum Peck in Botan. Gazette 1879. p. 56. — 2990 

 Pseudoperidiis numerosis, irregulariter dispositis, erumpentibus, 

 6-9 ram. longis, 2-4 ram. latis, cylindraceis v. subcompressis, apice 

 obtusis, raerabranaceis, vacuis albidis, filamentis longitudinalibus, 

 concoloribus laxe intus percursis; a^cidiosporis subglobosis, late el- 

 lipticis, oblongo-ovatis vel oblongo-ellipticis, flavo-aurantiacis, 25- 



32 s 16-20, episporio crasso, subtiliter ruguloso donatis. 



