482 Murrill: Polyporaceae of North America 



Hymenophore large, annual, stipitate, compound, intricately 

 branched or lobed, humus-loving or epixylous, rarely terrestrial, 

 usually found at the base of a tree-trunk ; surface smooth, pallid 

 to gray or brown ; context white, fleshy or fleshy-tough, rigid and 

 fragile when dry ; tubes large, irregular, thin-walled, becoming 

 friable or laciniate with age ; spores hyaline, smooth, rarely ver- 

 rucose. 



Species : G. poripes (Fr.) Murr., G. Sumstinei Murr., G. fron- 

 dosa (Dicks.) S. F. Gray, G. ramosissima (Scop.) Murr., G. Berke- 

 ley! (Fr.) Murr., G. fractipes (B. & C.) Murr. [See Bull. Torrey 

 Club 31: 333-338. 1904]. 



18. SCUTIGER Paul. Icon. Champ, pi. 31. f. 1-3. 1/93 



Type : Scutigcr tuberosus Paul. 

 Albatrellus S. F. Gray Nat. Arr. Brit. PI. 1 : 645. 1821. Type : 



Boletus albidus Pers. 

 Caloporus Quel. Ench. Fung. 164. 1886. Type: Boletus sub- 



squavwsus L. 



Hymenophore simple, terrestrial, annual, mesopous, usually 

 bright-colored : surface anoderm, variously decorated ; context 

 white, rarely colored, fleshy to tough, rigid and fragile when dry ; 

 hymenium porose, white or colored, tubes thin-walled ; spores 

 smooth, hyaline. 



Species: 5. Ellisii (Berk.) Murr., 5. retipes (Underw.) Murr., 

 5. decurrens (Underw.) Murr., 5. eryptopus (Ell. & Barth.) Murr., 

 5. laeticolor Murr., S. caendeoporus (Peck) Murr., 5. holocyaueus 

 (Atk.) Murr., 5. radieatus (Schw.) Murr., S. subradieatus Murr., 

 5. griseus (Peck) Murr., 5. persicinus (B. & C.) Murr., S. Wluteac 

 Murr. [See Bull. Torrey Club 30: 425-432. 1903]. 



19. PORODISCUS Murr. Bull. Torrey Club 30 : 432. 1903 



Type : Peziza pendida Schw. 

 Enslinia Fr. Summ. Veg. Scand. 399. 1849. (Not Enslima 



Rchb. 1827.) Type: Sphacria pocula Schw. 



Hymenophore small, annual, tough, epixylous, erumpent from 

 the lenticels of dead branches ; stipe attached to the vertex of the 

 pileus, usually curved at maturity ; context white, fibrous, tubes 

 cylindrical, short, one-layered, mouths constricted ; spores globose, 

 smooth, hyaline. 



Species : P. pendulus (Schw.) Murr. [See Bull. Torrey Club 



30: 43 2 "434- 1903]- 



