HyrnenomycetEe, Polyporacefe, Poria. 337 



ionensis Murrill, Mycologia II (1910) p. 184. — Effusa, insepara- 

 bilis, irregularis, rigida, suberosa, 1-2 mm. cr. ; margine tenui, ad- 

 nato, irregulari, fertili, ferrugineo; contextu conspicuo, e ferru- 

 gineo fulvo; hymenio subinsequali, e pallide ferrugineo umbrino; 

 tubulis griseo-umbrinis, brevibus, 1 mm. circ. long., circ. 7 in quo- 

 que mm,, ore regulari, acie tenui, integra rigida; sporis ellipsoi- 

 deis, levibus, pallide ferrugineis, 4:-b^2-3; cystidiis angustis, bre- 

 vibus, acutis, ferrugineis, fulvis, copiosis, 20 [i. long. basi 4-B [i. 

 cr. ; hyphis ferrugineis. 



Hab. in ligno emortuo, Castleton Gardens, Jamaica. 



41. Poria coruscans (Murrill) Sacc. et Trotter, Fuscoporella coru- 1299 

 scans Murr. North Amer. FL, v. IX, Pt. I (1907) p. 7. — Effusa, 

 rigida, annualis, 2-4 « B-8 ^ 0,1-0,3 cm. ; margine tenui, ferrugineo, 

 dein nigricanti, denique crassiusculo atque elevato; contextu tenui, 

 ferrugineo; hymenio levi, lucido pro luce e fulvo avellaneo, in 

 sicco rimoso; tubulis obliquis, cylindraceis, regularibus, rigidis, 

 crassiuscule tunicatis, integris v. dentatis, 0,1-0,3 mm. long., 6 in 

 quoque mm., intus ferrugineis, extus sub vitro carneis; sporis le- 

 vibus, subglobosis, pallide ferrugineis, numerosis, 4-B [u diam.; 

 hyphis pallide ferrugineis; cystidiis nullis. 



Hab. in ligno dejecto prope Alto Cedro, Cuba. (Earle et 

 Murrill). 



42. Poria costaricensis (Murrill) Sacc et Trott., Fuscoporella costa- 1300 

 . ricensis Murrill, North Amer. FL, v. IX, Pt. I (1907) pag. 7. — 



Orbicularis dein irregularis, effusa, inseparabilis, rigida, fragilis, 

 1-2 mm. crassa; margine tenui, adnato, integro v. undulato, zona 

 angusta, sterili, initio ferrugineo, fere glabro, denique nigre- 

 scente; contextu inconspicuo, e ferrugineo fulvo; hymenio fere 

 plano, initio ferrugineo, dein umbrino, denique castaneo et rimoso ; 

 tubulis brevissimis, 1-2 mm. longis, intus umbrinis, ore puncti- 

 formi, regulari, subcirculari pra^ditis &-6, in quoque mm., acie te- 

 nui, rigida, integra; sporis subglobosis, levibus, ferrugineis, B-6 

 ]i.. ; hyphis pallide-ferrugineis, 3-4 [x. long. ; cystidiis nullis. 



Hah. ad truncos dejectos prope Santo Domingo de San Mateo, 

 Costa Rica Amer. centr. (W. E.. Maxon). 



43. Poria mexicana (Murrill) Sacc. et Trott., Fuscoporella mexicana 1301 

 Murrill, North Amer. FL, v. IX, Pt. I (1907) p. 7. — Irrcgula- 

 riter efifusa, inseparabilis, e coriaceo rigida, 1 mm. crassa; mar- 

 gine irregulari, tenui, adnato, anguste sterili, ferrugineo; contextu 

 inconspicuo, e ferrugineo fulvo; hymenio plano, initio ferrugineo 



SylL fung. XXI (VH-1911) 22 



