Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 145 



Th. conglomeratum (Ach.) Mass. 



Thalloidima conglomeratum Mass. Ric. Lich. Crost. (1852) p. 97 

 Koerb. Par. Lich. 2 Lief. (1860) p. 121. Lecidea conglomerata Ach 

 Lich. Univ. (1810) p. 201, Syn. Lich. (1814) p. 33; Schaer. Lich. Helv 

 Spic. Ill (1828) p. 121, IV (1833) p. 192, En. Lich. Eur. (1850) p. 102 

 Fr. Lich. Eur. Ref. (1831) p. 287; Tul. Mem. Lich. (1852) p. 166; Nyl 

 Prodr. Lich. Gall. (1857) p. 122 (368), Lich. Scand. (1861) p. 215; Th 

 Fr. Lich. Scand. II (1874) p. 411. Psora Koerb. Syst. Lich. Germ. (1855) 

 p. 178; Arn. Lich. Tirol XIV (1875) p. 441, XV (1876) p. 358 (XIII, 1874, 

 p. 237 p. p.). L. pelidna var. conglomerata Flot. Bot. Zeit. 1828 p. 676. 

 L. conglomerascens Nyl. Fl. 1874 p. 313 (sec. Nyl. in herb. suo). L. squa- 

 lens Nyl. I.e. (sec. specim. orig.). Thalloidima squalens Arn. Lich. Tirol 

 XIII, 1874, p. 259. Psora conglomerata var. squalens Arn. 1. c. XIV, 

 1875, p. 441. 



Exs. Schaer. Lich. Helv. Exs. VII (1828) n. 169 (sec. cit.). — 

 Flot. Lich. Exs. Ill n. 208 (herb. Nyl.). — Zwackh Lich. Exs. (1852) n. 

 120, (1884) n. 942 (in herb. meo). — Anzi Lich. Rar. Langob. Ill (1861) 

 n. 114 (sec. Arn.). — Rabenh. Lich. Eur. Exs. 27 (1865) n. 738 (mus. 

 Fenn.). — Erb. Grit. It. ser. 1, XIV n. 680 (sec. Arn.). — Arn. Lich. 

 Exs. (1869) n. 407, (1876) n. 673 (herb. Nyl.). 



Thallus squamulosus, squamulis circ. l.s — 0.5 mm latis, angulosis 

 difformibusve, latere abundanter proliferis, demum glomerulos 2—10 

 mm latos, crassos, stipitatos formantibus, planiusculis aut concaviuscu- 

 lis, pallidis aut partim cinerascentibus obscuratisve, margine subalbido 

 aut caesio-cinerascente, subpruinoso, hypothallo radiciformi, demum 

 elongate. Apothecia late adnata, basi anguste constricta, primum plana 

 marginataque, demum convexa immarginataque, vulgo irregulariter 

 conferta, nigra, nuda. Hypothecium albidum. Sporae oblongae aut 

 ellipsoideae, l-eptatae aut majore parte simplices. 



Distr. In rupibus graniticis et schistosis crescit. Ad Kongsvold 

 alpium Dovrensium in Norvegia ster. a Th. Fr. collectum (herb. Vain.). 

 Lichen, nomine ,,L. conglomeratae" a Nyl. in Norrl. Ber. Torn. Lappm. 

 p. 347 determinatus, in jugo alpino inter Kilpisjarvi et Lyngen col- 

 lectus, est Toninia verruculosa (Th. Fr. ) ster. 



Indole thalli facile dignota. Thallus „CaCl202 non reagens, KHO 

 leviter flavescens", hypothallo albido, demum fragili, quare substrato 

 laxe affixus. Apothecia lat. 1 — O? mm, „KHO non reagentia." „Hypo- 

 thecium decoloratum. Epithecium obscure viride, HNO3 roseo-viola- 

 scens" (sec. Arn. Lich. Tirol XIV p. 441). „Paraphyses mediocres. 

 Hymenium jodo caerulescens, dein vinose rubens" (L. squalens Nyl. 

 Fl. 1874 p. 413) aut „caerulescens, demum thecis fulvescentibus" (L. 

 conglomerascens in herb. Nyl.). „Sporae apicibus rotundatis obtusisve, 

 rectae aut leviter curvulae, long. O.009 — O.017, crass. O.035 — O.ooe mm" (Arn. 



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