30 ARKIV FÖR BOTANIK. BAND S. X:(J 4. 



Thallus creberrime iteratim dichotomo ramosus, intersti- 

 tiis ramorum (internodiis) vulgo vix (}J> millim., ad ambitum 

 laciniis ramisve radiantibus, adpressis adnatisque, ceterum 

 decumbentibus adpressisve et imbricatis, rhizinis parcis bre- 

 vissimis substrato affixus. Apothecia circ. 3 — 1 millim. lata, 

 peltata, sessilia, disco planiusculo (aut interdum demum con- 

 vexo), nigro, nudo, opaco, margine sat tenui, vulgo crenulato, 

 leviter elevato, disco concolore, haud ciliato. Hymenium 

 circ. O.o.'.o — 0,060 millim. crassum, jodo persistenter caerule- 

 scens. Epithecium fuscum. Asci late clavati, apice mem- 

 brana bene incrassata. Sporae 8:nae, distichae, simplices, 

 decolores, ellipsoideae aut subglobosae, membrana leviter in- 

 crassata, long. 0,008 — 0,009, crass. 0,005 — 0,007 millim. 



Ad saxa granitica in peninsula Jinretlen. Fert. 



Subg. 2. Allantoparmelia. 



Thallus intestiniformis, rhizinis et gompho destitutus, me- 

 dulla myelohyphica, haud fistulosa. Syn. Subg. Hypogymnia 

 1. Solidae Bitter, Zur Morph. Hypogymn. (Hedwig. XL, 

 1901) p. 172. 



9. P. alpicola Th. Fr., Lieh. Aret. (1860) p. 57, Lieh. 

 Spitsb. (1867) p. 12, Lieh. Scand. (1871) p. 125; Norrl., Berätt. 

 Torn. Lapp. (1873) p. 325; Almqu., Lieh. laktt. Sib. (1879) 

 p. 35, 36, 37, 38, 40, 42, 43, 49, 58, Lieh. Kust. Beringsm. 

 (1887) p. 524, 536; Wain., Adj. Lieh. Lapp. I (1881) p. 127,. 

 Lieh. Nov. Semlj. (Hedw. 1898) p. 85; Hellb., Norrl. Lafv, 

 (K. Sv. Vet.-Ak. Handl. XX, 1884) p. 41; Hue, Addend. Lieh. 

 Eur. (1886) p. 47, Lieh. Exot. (1891) p. 84; Nyl., Enum. Lieh. 

 Fret. Behr. (1888) p. 10, 27, 55 (conf. P. nigram); Deichm. 

 BranthetGroenl.,Groenl.Lich.-Fl. (1888)p. 470; Kihlm., Neue 

 Beitr. Flecht. Kola (1891) p. 52; Cromb., Mon. Lieh. Brit. 

 (1894) p. 255; Deichm. Branth, Lieh. Isl. (Bot. Tidsskr. 25, 

 1903) p. 205. P. encausta v. alpicola Nyl., Lieh. Lapp. Or. 

 (1866) p. 120; Tuck., Syn. North Am. Lieh. (1882) p. 60. Imbri- 

 caria alpicola Arn., Lieh. Tirol XXX (1897) p. 8. Parmelia di- 

 screta Stizenb., Verz. Now. Semlj. Lieh. (1872) p. 420. P. 

 atrofusca (Schaer.) Cromb., Grevillea VII (1879) p. 99 (noraen 

 antiquissimum restituendumque ) . 



Parmelia ceratophylla &. atrofusca Schaer., Enum. Lieh. 

 Eur. (1850) p. 42, hue saltern pro parte pertinet, ut indicat 



