222 



in 1888 (Enum. Lich. Fret. Behr. 7. 19. 53. 61) when he 

 also described the variety inermis (ibid. 19) from Kony- 

 ambay. 

 ExsiccATi: No. 66. Lich. Exs., Merrill, Camden, Me., Aug. 

 22, 1909 = called C. islandica* 

 No. 15. Lich. Nova Angliae, Howe, Norwood, Mass., Dec. 

 4, 1905 = called C. islandica.^ 



No. 7. Canada Lich., Macoun, Spence's Bridge, B. C, 

 May 24, 1875. 



Cetraria hiascens (Fr.) Th. Fr. 



Synonymy: Cetraria acideata /S hiascens Fr., Lich. Europ. 36. 



1831. 

 Cetraria hiascens Th. Fr., Lich. Scand. 98. 1871. 

 Cetraria islandica var. Delisei Bory Schaer., Enum. crit. 



Lich. Europ. 16. 1850. 

 Cetraria Delisei Bory Schaer, Fellm., Lich. arct. coll. aest. 



No. 60. 1863. 

 Cetraria Delisei Bory Schaer, Nyl., Enum. Lich. Fret. Behr. 



19. 1888. 

 Type: Untraced. 



Type locality : "alpibus Norvegicis." 

 Original description: "thallo in frondes ramosissimas de- 



hiscente, apothecils terminallbus liberis maximis." 1. c. 

 Diagnosis: Thallus fruticose, bifacial, slender, bicolored, 



thyrsoid-entangled above, margins espinulose below. 

 Description: typical: Thallus fruticose (max. alt. 5 cm.), 



rigid, cinereo-stramineous to brown above; cor/ex glabrous, 



sublacunose; branches bifacial, subcanaliculate (max. 



width 3 mm.), dichotomous, thyrsoid-entangled above, 



apices spinulose, margins below entire. Apothecia rare, 



* Type loc, not given. Orig. descpt. "Inter reliquas formas praecipue 

 insignis subtubulosa, divisione ceterum vulgaris, erecta, parce ramosa, sutura 

 (thalli dehiscentis vestigio) ciliato-spinosa." 1. c. 



t Tjrpe loc, "alpib. helvet." Orig. descpt. "frondibus angustis, pollicaribus, 

 in caespites densos congestis, densissime elongato-ciliato-spinulosis, canaliculatis, 

 laciniis terminalibus obscure spadiceis, ramosisimis, subcurvatis, crispatis, lacero 

 cristatis." 1. c. 



