78 THE BOTANICAL MAGAZINE. LVoi. xxxv. No. 412. 



Thallus sat tenuis, continiius, lasvigatus, albits, opacus. - Apothecia 

 thallo substratoque immersa, demnm emergentia et verrucas hemi- 

 spha;ricas, 0,3 mm latas, nigricantes nudasque formantia. Sporae 

 olivaceo-fuscescentes, fusiformes, apicibus obtusis, long. circ. 0,030, 

 crass. 0,009 mm, 5-septatce. Perithecium fuligineum, integrum, 

 globosum. Specimeii baud bene evolutum. 



Prov. Awaji, mons Mikuma (260). Ad corticem arboris. 



176. Pyrenula irrubescens Wain. (sp. n.). 



Thallus sat tenuis, lievigatus, subcinerascenti olivaceo-glaucescens, 

 maculis dilute rubricosis inspersus, hypothallo nigricante limitatus. 

 Apothecia dispersa aut partim etiarn aggregata, thallo substratoque 

 immersa, apice emergente et verrucam subconoideam, 0,25—0,2 mm 

 latam, vertice anguste nigricantem, basin versus strato thallino 

 obductam formantia, margine ostiolari leviter prominente, nigro, 

 ostiolo minutissimo. Perithecium subglobosum, fuligineum, integrum. 

 Spora; fuscescentes, Sseptatce, long. 0,016-0,018, crass. 0,008-0,009 

 mm (sec. eel. Yasudam). Forsan aifinis P. cruentas, sed apotheciis 

 minoribus, nee confluentibus. 



Prov. Kii (265). Ad corticem Pasaniie cuspidatse. 



177. Pyrenula stramineoatra Wain, (in Lich. Pliilipp. Ill) var. 

 cinereostraminea Wain. 



Thallus cinerascenti-stramineus, KHO rubricoso-rufescens. Sporae 

 3 scptatffi, long. 0,018-0,025, crass. 0,006-0,015 mm (sec. Yasudam). 



Prov. K5zuke (235), mons Akagi (263, 272). Ad corticem 

 arborum. 



178. Pyrenula Iseyigata Pers. var. meizospora Wain. Addit. 

 Lich. Antill. (1915) p. 191. 



Prov. Awaji, mons Mikuma (158). Ad certicem arboris. 



179. Pyrenula obscurior Wain. (sp. n ). 



Thallus sat tenuis, Ifevigatus, fusco-nigricans aut partim obscure 

 cinereo-glaucescens. Apothecia dispersa, thallo substratoque immersa, 

 demum verrucas formantia leviter prominentes, 1-0,7 mm latas, latere 

 sensim dilatatas, thallo obductas aut demum margine ostiolari 

 nigricante denudatoque angusto conoideo-prominente, ostiolo minutis- 

 simo. Perithecium depresso-subglobosum, fuligineum, integrum. 

 Sporae (sec. Yasudam) oblongae, apicibus rotundatis, fuscescentes, 

 3-septatae, long. 0,025-0,028, crass. 0,010-0,012 mm. 



Prov. Kozuke (198). Ad corticem Stjracis j'aponici. 



180. Pyrenula punctifera Wain. (sp. n.). 



Thallus sat tenuis, pallidus, jjunctis leviter prominentibus, 0,1- 



