7” 
I. — ALECTORIA Ach. pr. p., Nyl. 
Thallus teres vel compressus, jam erectus, jam prostratus 
vel pendulus, filamentosus, medulla laxa arachnoidea vel omni- 
no cava, sepe intricato-ramosus; epithallus nitidiusculus. Apo- 
thecia paraphysibus non discretis, sporis ellipsoideis. Spermo- 
gonia spermatiis tenellis acicularibus versus utrumque apicem 
leviter fusiformi-incrassatulis. Species hujus generis raro fer- 
tiles. 
1. A. divergens (Ach,, Whlinb.) Nyl. Syn. p. 278, pr. p. 
Thallus fusco-castaneus aut spadiceo-fuscescens teretiuscu- 
lus aut subangulatus (erassit. circa 16 millim.) erectus aut pro- 
stratus rigescens nitidiusculus, sepius ramosissimus, ramis di- 
vergenti-dichotomis; apothecia non examinata. 
In alpinis Scandinavie et ad Mare Glaciale haud rara. beiäde 
in America arctica. 
Spermogoniis sxepe in Scandinavizxe obvenit. Heec organa 
3 tuberculis nigris parum prominulis lateralibus contenta (sepe aggrega- 
— ta); spermatia solita, löngit. 0,007, erassit. vix 0,001 millim 
2. A. bicolor (Ehrh., Ach.) Nyl. Syn. p. 279. 
Similis precedenti, sed thallus minor (crass. circa 0,5 millim.) 
divarieato-fibrillosus magis nigricans, spe dense intricatus, api- 
— cibus expallidis; apothecia minora, thecis 8-sporis. 
d Ad saxa alpium vel montium editiorum, inter muscos. In 
Finlandia non visa. 
3. A. nigrieans. — Cornicularia ochroleuca var. nigricans 
| Ach. L: U. p. 615, Syn: p. 301; Corn. Boryana Del. mser.; 
— Alectoria divergens Nyl. Syn: 278 pr. p., t. 8; fs17.: 
Thallus ecastaneo-nigrieans (basi castaneo-spadiceus, super- 
ius obscurior vel nigricans) teres vel compressiusculus erectus 
vel adscendens opacus dichotome ramosissimus intricatus; ap o- 
ww thecia badio-fusca lateralia aut terminalia (truncis thallinis 
| ; erassioribus adnata) mediocria (latit. 4—9 millim.); thecae 
— A—3)-spore, spor: ellipsoidee incolores majusculxe. 
In alpibus öretliigs Suecie, ex Achario (et hb. ejus). In 
