23i Acta Societatis pro Fauna et Flora feimica, YII. 



(em.), III (1868) p. 185; Cariiel., Not. Collem. (18G4); Tuck., Gen. Licli. (1872) 

 p. 85; Bornet, Kech. Gon. (1873) p. -K), tab. 12, 15, Deuxieme Not. Gon. (1873) 

 p. 47; Stahl, Beitr. Entw. Flecht. (1877) p. 11; Tuck., Syn. Xortb. Am. (1882) 

 p. 142 ; Hue, Addend. (1886) p. 14. Lichen B. CoUema Pers. in Ust. Xeue 

 Annal. 1 St. (171)4) p. 21. 



TJiallus foliaccus aut raro fruticulosus (in scct. Gollemella 

 Tuck.) vcl verrucacforuiis [in sect. Arnoldiella Wainio: C. nii- 

 nutulum (Born.)], homocomcricus, strato corticali et vulgo ctiam 

 rhizinis destitutus, nmcosus, hyphis circ. 0,0 02 0,oo4 miUim. cras- 

 sis, lcptodermaticis, gelatinam abundantem e vaginis gonidiorum 

 formatam laxe pcrcurrentibus. Oonidia nostocacea, cellulis cae- 

 ruleoviresccntibus glaucescentibusve, globosis cllipsoideisvc, moni- 

 liformi-concatenatis, hetcrocystis hyahnis intcrcalaribus, vaginis 

 mucilaginosis, crassis, conflucntibus aut phis minusvc distinctis 

 (Zn GI2 4" I fulvesccntibus aut purpureis rubesccntibusve). Aioo- 

 tliecia thallo innata, dein mox emergcntia adnataque vcl adpressa 

 basique constricta, aut immersa permanentia aut jam primo 

 aperta ^), disco dilatato aut rarius punctiformi [in sect. Arnol- 

 diella Wainio et Arnoldia (Mass.)]. Excipulum thallodes ^), 

 parte cxteriore e strato vel margine thalKno formatum, aut in 

 apotheciis immersis indistinctum, strato corticaU nullo aut paren- 

 chymatico (sect. Gollemodiopsis Wainio) obductum. Hypothe- 

 ciuni palhdum, ex hyphis irregularitcr contextis vulgo parcnchy- 

 matice scptatis plus minusve conglutinatis formatum, 'perithecio 

 grosse parenchymatico, bene evoluto aut evanescenti, strato thal- 

 Hno induto, impositum. Paraphyses arcte cohaercntes, haud ra- 

 moso-connexae. Sporae 8:nae aut pauciores, enipsoideae aut glo- 

 bosae aut oblongae aut fusiformes aut bacillares, simpUces fsect. Ar- 

 noldiella Wainio et Gollemella Tuck. et Arnoldia (Mass.) et 

 Lempholcmma (Koerb.)] aut 1 pluri-septatae [sect. Synecho- 

 blastus (Trev.) et GoIIemodiopsis Wainio] aut murales [sect. 



1) Stabl, Beitr. Entw. Flecbt. I p. 29. 



2) Collema opulentum Mont., Fl. Cbil. p. 217 (Xyl., Syn. Licb. p. 104), ad 

 genus Lecidocollema Wainio pertinet, apotbeciis biatorinis, gonidiis destitutis 

 a Collemate differens. Excipulum in bac specie cartilagineum, parte exteriore 

 e cellulis pacbydermaticis, lumine parvo instructis, parencbymaticis, in serie- 

 bus pluribus dispositis formatum, in parte interiore bypbis irregulariter con- 

 textis, partim conglutinatis. Tballus strato corticali destitutus. 



