LICHENS. 63 



Nvl., Kiunii. (/rnéidl. Licli., in M'in. Sor. ////pr/id/. scifiic ndhir. 

 (Uirrlxiurfi, l. V, lS:i7, p. lOS. 



Thallus llavoiis, |)ei'iphoriarn versus passiin rurcscciilc liiichis, pros- 

 Iratus, ()|)acus et laciniatiis ; laciniie e cenfi'o ad p('i'i|)lii'iiaiii radiaiilcs. 

 ■i-i» niill. lalà!, (),l{,"»-(),."» iiiill. n-assa", in apicn dilalaia' cl Kl-l'J iriill. 

 metientes, in anil)ilu sinnal.r et |)liii'i(>s laeiiiulala' lacinulis lunj^is, crc- 

 natisot plus minusve imhi'icatis; in prriplKM'ia Ix'evitcr laeinulata'ac etiam 

 crenala- ; in su|tei'licie [ilrriiinquc hi'vcs, passini punctata» punclis homi- 

 spha'ricis, concoloribus aul albidis ac plus minusve elevatis (pra'sertim in 

 margine loboruin vetustoruni) atque profundo concava- ; in margine palli- 

 diores vel alldda-; inlus alhida' ; subtus in pcripheria fulvescenlcs, in 

 centro fusca' seu eliani ati-ala:, rarius nuda- cl rnguiosa', sa'pius riiizinis 

 fuscis, numerosis, inlricatis et passini fulci'Mntilius munilav (lortex 

 hyalinus, sursuni angustc iddbscurc llaviduius, liydrale kalico innnuta- 

 liis, iO-.'iO y. crassns et plectenchymaticus ; ejus celluia' tuni l'onma luin 

 inagnitudiiir nudiuni variantes, nune spbaToidca' et Unie vol S-|(l, vel et 

 i-iiiiis '.')-{') y. dianicti'o metientes, iinne oblonga', raro clavata', 20-2() y. 

 longue et ii-li y. lata- aut 1^) y. longa- et '.) y. lala', pariete tenuissinnj, atfpic 

 zona 20-;50 y. crassa aut cellulas |jrotoplasmate inopes aut paucas ac 

 parvas cellulas normales aut adhue nonnullas bypbas angustas continente 

 tecta». Gonidia pallide viridia, protococcoidea, 8-1. 'i y. lata, mendn'ana 

 incrassala, stratum (i()-70 y crassum et non densnni sub cortice eriicicnlia. 

 llypba' medullares mat(M'ia grisea mdiilata-, [y crassa', boi'izonlales, 

 oblongo articulata' pariete tenui, ramosa- ac nicatus |)i'a'lii'iilcs ; in zona 

 colorata li-Ct y crassa, stricte coadunata» cl rbizinas 20-70 y, crassas l'or- 

 inantes. Apothecia 0,S-2 mill. lata, nunicrosissima et passini accrvata, 

 cupulirorinia, iiuiic l'otnnda, nuiic compressa, disco iiiiic vi\ consjiicuo, 

 inbasi constricta, excipulo licvi et tliallo concolorc, maigiiie ninlfnni pro- 

 minente, sulcata snicis validis et inirorsuiii rccurv,! atipie disco riit'o anl 

 fuscescente, [ilano ac albo prninoso, raro lacintdam tliallinam parvain in 

 centro ferente ornala. l^xcipuli cortex in niargine iiO, lalcraliler tiO et 

 sui)liis SO-IOO y. crassus, sicul llialli cortex [)lectencliymaticns, sed ejiis 

 c<dliila' paulo minores, l'erithecium non colorainm. iodo non liiictiiiii. iO y 

 crassum ex hyphis horizontalibus, arcte coaiilis, bre\ iler articulatis ac in 



