E. WAINIO, LICHEXES TROPE PITLEKAI COLLECTl. 19 



2. R. (st. Myelopoea) pollinaria (Wostr.) Ach., Lieh. 

 Univ. (ISIU) p. (JU8; Th. Fr., Lich..Arct. (1860) p. 33, Lieh. 

 Scand. (1871) p. 38; Nyl., Syn. Lieh. (1858—60) p. 296, Lieh. 

 Scand. (1861) p. 38. Reeogn. Mon. Ram. (1870)p. 52; Ahnqu., 

 Lieh. laktt. Sib. (1879) p. 43; Tuck., Syn. North Am. Lieh. 

 (1882) p. 26; Hue, Lieh. Exot. (1892) p. 58; Zopf, Zur Kent. 

 Fleehtenstoffe. 4 Mittheil. (J. Liebig's Ann. Chem. 297, 1897) 

 p. 306; Hesse, Beitr. Kenntn. Flecht. Bestandth. (Journ. 

 Prakt. Chem., Neue Folge, 57. 1898) p. 248; Brandt, Beitr. 

 Anat. Ramal. (1906) p. 25. Lichen pollinarius Westr., Vet. 

 Ak. Handl. 1795 p. 56. 



In latere meridionali-occidentali rupis in peninsula Jin- 

 retlen. Ster. et male evoluta parvaque, alt. 7 — 10 millim., 

 thallo compresso, longitudinaliter corrugate, soredioso, KHO 

 neque superne, nee intus reagente. 



3. R. (st. Myelopoea) scoparia Wain. (n. sp.). 



Thallus brevis, long. circ. 15 — 25 millim., erectus, com- 

 pressus, crebre dichotome fastigiato-ramosus, ramis crassiori- 

 bus circ. 1,5 — 0,5 millim. crassis, apicibus sensim attenuatis, 

 tenuibus acutisque, soraliis parvis apicem verus instructus, 

 laevigatus aut passim leviter corrugatus, leviter nitidus, striis 

 medullaribus in cortice nullis, strato medullari KHO non rea- 

 gente, basi persistente. Apothecia ignota. 



Thallus pallido- aut osseo-stramineus, neque superne, nee 

 intus KHO aut CaCLO. reagens, at his reagentiis unitis su- 

 perne leviter lutescens, medulla laxa aut passim cavernosa. 

 Stratum corticale exterius circ. 0,020 — 0,030 millim. crassum, 

 chondroideum, impellucidum, granula lutea abundanter con- 

 tinens,exhyphis longitudinalibus.transversaliter crebre ramosis 

 et ramoso-connexis, maculis retis hypharum oblongis, cavi- 

 tatibus cellularum oblongis, tenuibus, membranis bene in- 

 crassatis, conglutinatis, indistincte limitatis. Stratum corticale 

 interius insequaliter incrassatum, interne laceratum, semipelluci- 

 dum, baud granulosum, chondroideum, ex hyphis longitudinali- 

 bus, conglutinatis, at distincte hmitatis formatum. — Intermedia 

 est inter Ramalinam Ahnquisti et R. jjollinariajn, a,TpTseeedente 

 thallo compresso, baud fistuloso, a posteriore laciniis magis 

 Isevigatis angustioribusque et apicibus sensim attenuatis tenui- 

 busque differens. »*i?. pollinariella» Nyl., Enum. Lieh. Fret. 



