276 NOUVELLES ARCHIVES DU MUSÉUM. 



559. Platysma ambiguum Nyl. Syti. I, p. 3H, ubi deûnitur; Enum. Lich. p. 100; 

 Flora 1869, p. 442, Ihallus K =:, CaCl =. — Ceiraria ambigua Bab. = In Asia (mont. 

 Himalaya). 



550. P. juniperinum Nyl. Syn. I, p. 312, tab. VIII, ûg. 34, ubi defmitur; Enum. Lich. 

 p. 100; Flora 1869, p. 442, thallus K=, CaCi=.= In America boreali. — Etiam inEuropa. 



— F. viride Nyl. Sijn. loc. citât. — Cetraria viridis Schw. = In America boreali. 



551. P. Pinastri Nyl. Flora 1869, p. 442. — P. jumpcrinum \ar. Pinaslri Nyl. Syn. I, 

 p. 312, ubi definitur; Enum. Lich. p. 100. — Lichen Pinastri Scop. = In Asia septen- 

 trionali (Sibiria, Lich. Middend. p. 2, et Lich. Fr. Behr. p. 74; Mantschuria). — In 

 America boreali (Port-Clarence, Lich. Fr. Behr. p. 68 in notula). — Etiam in Europa. 



552. P. aureseens Tuck., Nyl. Syn. I, p. 313 et Flora 1869, p. 442, ubi definitur. Tbal- 

 lus K =, CaCl =. r= In America boreali (Nova Anglia). 



S. — Stirps Platysmatis glauci Nyl. 



553. P. glaueum Nyl. Syn. I, p. 313, tab. VIII, fig. 35, ubi deûnitur; Enum. Lich. 

 p. 100; Flora 1809, p. 442, tballus K d=, CaCl =. — Lichen glaucus L. = In Asia usque 

 in Himalayam. — In Africa occidentali (ins. Teneriffa). — In America boreali (Alaska, Lich. 

 Fr. Behr. pp. 75 et 85) et meridionali (Chili, Addit. FI. cliil. p. 179) et australi freto Magel- 

 lanico). — Etiam inEuropa. 



— F. coralloideum Nyl. Lich. Fueg. p. 25. — Ceiraria coralloidea Wallr. = In Ame- 

 rica arctica (Fuegia). — Etiam in Europa. 



— Var. fallax Ach., Nyl. Syn. I, p. 314, ubi definitur. = In America boreali. — Etiam 

 in Europa. 



554. P. lacunosum Nyl. Syn. I, p. 314, ubi definitur; Enum. Lich. p. 100; Flora 1869, 

 p. 443, tballus K ±, CaCl =. = In America boreali (Alaska, Lich. Fr. Behr. pp. 75 et 85 ; 

 Terra Nova, etc.). 



— Var. 1. atlanticum Tuck., Nyl. Syn. loc. citât., ubi definitur. = In America 

 boreali. 



— Var. 2. laciniatum Nyl. Flora 1869, ihallus K =, CaCl =. = In America seplen- 

 trionali (California). 



555. P. septentrionale Nyl. Syn. I, p. 315 et Flora 1869, p. 443, ubi deûnitur ; 

 Enum. Lich. p. 100. P. chrysanlhnni Nyl. Enum. Lich. Supplém. p. 334. — Cetraria chry- 

 saniha Tuck. Thallus K ±, CaCl =. = In Asia boreaU (Sibiria, LÀch. Middend. p. 2; 

 Lawrencebay, Lich. Fr. Behr. p. 2) et orientali (Japonia). — In America boreaU (Port- 

 Ci rence, Lich. Fr. Behr. p. 62 et freto Kotzebue Sound). 



TRIB. XXI. — ALECTORIEI. 



Gen. LU. — Alectoria Ach. pr. p., Nyl. 



556. A. Loxensis Nyl. Syn. I, p. 278, tab. VHI, flg. 16, ubi definitur; Enum. Lich. 

 p. 98; /■7o?-a 1860, p. 42, et 1869, p. 444; thallus K— , CaCl=. — Cornicularia LoxensisFée. 

 = In Asia (China, Hue Lich. yunn. in Bull. Soc. bot. France 1887, p. 20). — In America 

 tropica (Mexico; Nova Granata, Prodr. FI. N. Gran. éd. 1* p. 20 et éd. 2% p. 14; Peruvia, 

 Lich. exot. p. 212 {A. divergens Nyl.) et p. 261 in notula; Bolivia, Lich. And. Boliv. p. 371). 



— Var. atroalbicans Nyl. Prodr. FI. N. Gran. locis citât., ubi definitur. = In Ame- 

 rica tropica (Nova Granata). 



557. A. divergens Nyl. Lich. Scawl. p. 71, Lich. Lapp. Orient, p. 112, Prodr. FI. N. 



