336 Tlymenomycetre, Polyporacesc, Porln. 



37. Poria undulata (Murrillj Sacc. et Trott., Fomitoporia unchdata 1296 

 Murrill, North Amer. Fl., v. IX, Pt. I (1907) p. 10. — Effasa, 

 inseparabilis, irregularis, rigida, lignea, 2-5 mm. cr.; margine te- 

 nui, adnato, imdulato, ambitu angusto sterili, e flavo ferrugineo, 

 tomentoso ; contextu conspicuo, ferrugineo-fulvo ; hymenio undu- 

 lato, plano v. concavo, avellaneo, quandoque ad marginem cine- 

 reo, 2-3-stratoso ; tubulis obliquis, 1-1,5 mm. long. in (|uoque 

 strato, albido-farctis, iutus ex avellaneo umbrinis, ore angulari 

 pricditis, 3-4 in quoque mm., acie tenui, firma, integra, pallide 

 carnea; sporis ovoideis, levibus, hyalinis, 5v4; hyphis luteis 3-4 



a. cr, ; cvstidiis nullis. 



Hdb. ad truncos propc Punta Gorda, Honduras britannica, 

 Amer. bor. (Morton E. Peck). 



38. Poria laminata (Murrill) Sacc et Trott., Fomitoporia laminata 1296 

 Murrill, North Aner. FI., v. IX, Pt. I (1907j p. 11. — Late ef- 

 fusa, inseparabilis, oblongo-ellipsoidea v. irregularis, rigida, 0,5-1 

 mm. cr. ; margine tenui, adnato, subintegro e ferrugineo fulvo, 

 minute tomentoso, angusto; contextu tenui, inconspicuo, fulvo; 

 hymenio sequali, convexo, lucido, distincte pluries stratoso, quo- 



que strato ex lineis fulvis, angustis, regularibus distincto; tubulis 

 2-3 mm. long., plerumque obliquis, albido-farctis, intus griseo-um- 

 brinis, ore subcirculari prasditis, 5 in quoque mm., acie crassa, in- 

 tagra, e ferrugineo fulva, dein ex avellaneo umbrina; sporis glo- 

 bosis, levibus, hyalinis, 5 [j,. cr. ; hyphis ferrugineis; cystidiis nullis. 

 Hdb. ad truncos Alni prope « Camp Sunday » Piscataquis 

 County, Maine, Amer bor. (W. A. Murrill). 



39. Poria Ludoviciana (Murrill) Sacc. et Trott., Fuscoporella Ludo- 1297 

 viciana Murrill, North Amer. Flora, v. IX, Pt. I (1907) p. 6. — 

 Late effusa, inseparabilis, irregularis, rigida, lignea, 1 mm. cr. ; 

 margine tenui, adnato, quandoque depresso, fertili, ferrugineo, un- 

 dulato V. lobato; contcxtu inconspicuo c ferrugineo fulvo; hyme- 



nio plano, e ferrugineo grisco-umbrino; tubulis cylindraceis, obli- 

 quis, strato 1 mm. c. crasso, intus urabrinis, 5 in quoque mm., 

 ore rogulari, acie tenui, rigida, integra, ob tubulos obliquos ina-- 

 quali; sporis globosis, levibus, forruginois, copiosis, 4-5 ;j,. diam.; 

 hyphis forrugincis 4 [j,. cr. ; cystidiis copiosis, atro-fulvis, ventri- 

 cosis, acuminatis, 10-15 « 6. 



Hab. in ramis quercinis prope St. Martinsville, Louisiana, 

 Amer. bor. (A. B. Langlois). 



40. Poria castJetonensis (Murrill) Sacc. et Trott., Fuscoporella casile- 1298 



