Me 
PENPRSYS Seele Fe 
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Affine videtur Leptogio humoso, sed thallo continuo magis sequali mi- 
nusque obscuro, apotheciis rufescentibus. Thallus intus totus cellulo- 
Sus, cellulis granula gonima continentibus. 
2. L. humosum Nyl. Syn. p. 119. 
Thallus fuscus vel fusco-nigricans e granulis lobulatis arcte 
aggregatis constans effusus, sat tenuis; apothecia concolora 
parva concaviuscula; spor&e pluri-loculares ovoidege, longit. 
0,020—34, crassit. 0,008—0,011 millim. 
Supra terram humosam prope Nyslott (Savonlinna) Finlan- 
die (Edwin Nylander). 
Facie externa fere Lecidee uliginose. Leptogio spongioso affine, differt 
autem thallo minus evoluto, apotheciis minoribus concoloribus, etc. 
3. I. spongiosum Nyl. Syn. p. 119, t. 4, f. 10 (non 
Lichen spongiosus Sm. E. Bot. t. 1374). 
Thallus fuscus vel fusco-virescens microphyllinus, in cru- 
stam - granulosam congestus; apothecia biatorina fusco-rufa 
concava, margine dilutiore; spore ut in humoso vel paullo 
majores. 
Supra terram humosam vel turfaceam in rek et Finlandia 
sat rarum. (Apud Acharium latet sub Coll. microphyllo musci- 
cola, L. U. p. 630). 
4. 1. pusilluwm Nyl. Syn. p. 121. 
Thallus olivaceo-fuscescens vel virescenti-fuscus minutissi- 
mus adnatus lobulato-granulosus; apothecia rufescentia minuta 
(latit, 0,2 millim.) elevato-prominula (excipulo thallino recepta, 
margine epithecio concolore); spore ovoidee (vel utrogque 
apice angustiores) 3—4-septate, longit. 0,018—26, crassit. 
0,008—0,010 millim. 
Supra frustula cimenti vetusti Upsalixe (in Slottsbacken). 
5. IL. lacerum (Sw.) Ach., Nyl. Syn. p. 122, t. 2, f. 6. 
Thallus plumbeo-fuscescens membranaceus longitudinaliter 
varie rugulosus vel ruguloso-plicatulus lacero-laciniatus, margi- 
nibus dentatis vel ciliato-dentatis ; apothecia pallide rufa me- 
diocria (vel sat parva) rara; spore solite vel fere murali- 
ivise. 
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