316 E. A. Vainio, Lecideales. 



subaerug-inoso-nigricans aut subolivaceo-fuligineum. Sporae 

 8:nae, decolores aut demum obscuratae, persistenter 3-sep- 

 tatae, long. O.ou — O.022, crass. O.007 — O.009 mm. 



Distr. Lin.: Ad rupem granuliticam in reg. subalp. 

 jugi Suoloselka (Vain.). 



Thallus verruculis minutissimis obscuratis indicatus. Apo- 

 thecia partim aggregata contiguave, lat. 0.8 — O.5 mm, late 

 adnata, basi leviter constricta, saepe angulosa, marglne leviter 

 prominente, saepe leviter subflexuoso. Perithecium subpurpureo- 

 fuligineum. Hypothecium rubricoso-fuligineum, KHO distinctius 

 rubricosum. Epithecium KHO subolivaceo-fuligineum. Hymenium 

 circ. 0.100 — 0.080 mm crassum, jodo caerulescens. Paraphyses 

 gelatinam minus abundantem percurrentes, cellulis vulgo oblongis, 

 apice leviter incrassatae. Sporae p. p. demum aeruginoso-obscu- 

 ratae aut subnigricantes, strato gelatinoso sat crasso. 



23. Rh. tetramerum Vain. 



Lecidea postuma var. tetramera Vain. Adj. Lich. Lapp. II (1883) 

 p. 141. 



Thallus crustaceus, uniformis, subverrucosus areolatus- 

 ve, areolis minutis, dispersis, depresso-convexis, tenuibus, 

 laevigatis, cervinis vel cinereo-fuscescentibus, baud pruinosis, 

 nee KHO, nee jodo reagentibus, hypothallo nigro. Apotheeia 

 minutissima, nigra, nuda, leviter prominentia, diseo piano, 

 vulgo baud papillato, tenuiter marginata. Epitheeium 

 aeruginoso-olivaeeum aut olivaeeo-fuseeseens. Sporae 

 8:nae, decoloratae, 3-septatae, long. O.015 — O.020, erass. O.ooe — 

 0.009 mm. 



Distr. In latere rupis ehloritieo-schistosae ad Vuosi- 

 niemi in par. Repola in KVien. oce. (Vain.). 



Thallus areolis O.3 — O.5 mm latis. Apotheeia crebra, lat. 

 0.25 — 0.3 mm, late adnata, basi baud constricta, disco sat laevi- 

 gato, rarissime minutissimeque papillato. Perithecium fuscescenti- 

 aut aeruginoso-fuscescenti-fuligineum. Hypothecium fusco-fuligi- 

 neum. Hymenium circ. O.oto — O.080 mm crassum, gelatinosum, 

 jodo caerulescens, demum ascis vinose rubentibus. — N. 10141 

 in herb. Nyl., prope Klagenfurt in Tirolia ab Arn. lectus, „L. 

 subpostuma'' a Nyl. denominatus, facie externa et sporis 3-septa- 

 tis similis est plantae nostrae, epithecio fuscescente, verruculis 



