March, 1921.1 LICHENES AB A. TASUDA IN JAPONIA COLLECTI. 53 



decolores, simplices, ellipsoideas apicibusque rotundatis aut subglobosse, 

 long. 0,011-0,015, crass. 0,006-0,009 mm. 



Prov. Shinano, mons Yatsugatake (130). In rupe. 



44. L&canora cinerea (L.) Sommerf. 



Prov. Kozuke, mons Nabewari (347). In rupe. 



45. Lecanora gibbosa (Acii.) Nyl. 

 Prov. Kozuke (322). In rupe. 



46. Lecanora calcarea (L.) Sommerf. var. Hoffmanni (Ach.) 

 Sommerf. 



Prov. Kozuke (257, 303). In rupe. 



47. Lecanora phymatodiscus Wain. (sp. n.). 



Thallus modice incrassatus, leevigatus, crebre areolato-rimosus, 

 cervinus vcl pallide cinereo-fuscescens, opacus, nee KHO nee jodo 

 reagens, hypothallo indistincto. Apothecia thallo immersa, disco 

 0,3-0,2 mm lato, subanguloso difformive, impresso, nigro, opaco, 

 nudo, verruca depressa instructo. Hypothecium albidum. Hymenium 

 jodo caerulescens. Epithecium rufescens. Paraphyses crass. 0,001 

 mm, crebre septatse, parce ramoso-connexje, gelatinam abundantem 

 percurrentes. Sporee 8-nae, distichte, ellipsoidese, decolores, simplices, 

 long. 0,020-0,024, crass. 0,009-0,010 mm. L. griseolam Th. Fr. in 

 memoriam revocans. 



Prov. Kozuke, mons Akagi (320). In rupe. 



48. Lecanora coiliodes Wain. (sp. n.). 



Thallus modice incrassatus, verruculoso-inaequalis aut verrucoso- 

 areolatus, partim subdispersus, stramineus, opacus, KHO non reagens, 

 hypothallo indistincto. Apothecia verrucis immersa, disco 0,2-0,5 mm 

 lato, bene impresso, atro, nudo. Hypothecium albidum. Hymenium 

 0,050-0,055 mm crassum, jodo caerulescens. Epithecium olivaceum, 

 KHO rufescens. Paraphyses arete cohccrentes, crass. 0,001 mm, apice 

 0,003 mm crebre septatae, in KHO laxe cohasrentes. Sporte distichte, 

 decolores, ellipsoideae, simplices, long. circ. 0,016, crass. 0,010 mm. 

 Affinitate incerta. 



Prov. Kozuke (353). In rupe. 



49. Placopsis pacifica Wain. (sp. n.). 



Thallus sat laevigatus, ad ambitum breviter laciniatus, medium 

 versus late sorediosus, soraliis confluentibus, haud prominentibus, 

 soraliis erasis demum leproso-verruculosus. Cum PL gelida ab auc- 

 toribus nonnullis commixta. Etiam e Nova Zelandia (a L. Lindsay 

 lecta) in herb. Nyl. sub hoc nomine adest. 



Prov. Iwashiro, mons Bandai (164). In rupe. 



