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 T A B U L A   L X V . 
 F i g .   2. 
 P L A C O D I U M   D I F F  U  S UM.  
 Vl&coAmm clifftifim,  fubimbricatum  depreffam ;  foliolis lobato 
 multifidis  obtufis  crenatis;  fcutellis  elevatis  ferrugineo 
 fufcis. 
 r.  L i c h e n  H V ™ .  c r u f t z c e u s   im b r i c a t a ?   o r b i c u l a r i s ,   f c u t e l l i s   p a l l id e   f u f c i s ,   m a r g i - 
 j ie   c r e n u la t o   E n u m .   L i c h .   p .  66 .  t .  l o ,   f i g .   i ,   2. 
 L o b a r i a   o r b ic u la r i s  c e n t r i f u g a   r u g o f o -m u l t i f id a   c e r v in a   f a r in o f a l   I c u t c l l i s 
 p r o m in u l is   fu b fu f c i s   F lo r .   G e rm .   2.  1 5 6 . 
 -   L i c h e n   J i/ a / a . ,   im b r i c a tu s ,   f o l i o l i s   l in e a r i  - m u l t i f id is   o b tu i is   c r l f p i s   p u l v e r u l c n t i s 
 g l a u c o - a lb c f c e n t i b u s .   f c u t e l l i s   o r b ic u la r ib u s   p l a n lu f c u l i s   p r o m in u l is   f e r r u g in e o ,   
 f u f c i s ,   m a r g in e   c r e n u la t o   a lb id o   D i c k f .   f a f c .   3 -  P-  ‘ 7 .  t-  9 -  *>■  H “ " ' ' 
 b r i t .   I I .   n. 
 I n   priori  frons  ab  initio  orbiculatim  expanfa,  rugofa;  rugis ex  centro  
 peripheriam  verfus  ductis,  ubique  pulvere  cinereo  viridi  vel  albido  confperfa, 
   margine foliolofa ;  foliolis  latiufculis,  tenuiffimis,  albido  ciñereis,  
 laciniatis :  laciniis finuato - crenulatis,  in húmido fubcervinis molliiifculis,  m  
 ficco  appreffis;  iubtus  cinereo - albidis,  verfus  apicem  et  foliolorum marginem  
 fubfufcis,  radiculis  breviffimis,  apice  faepe  fiffis,  bafi  nigricanti.  
 bus obfitis.  Frons  denique  plane  in pulverem  refoluta  inaequalis et  gib-  
 bofa  fit,  rariffime hinc  inde  fcutellae  circa  marginem  collocatae  fubfufcae  
 provenire  folent.  Alia  vero  fpecimina  nec  ita  pulverulenta  occurrunt,  
 fcutellis  numerofis  obfita,  arete  confertis,  junioribus  concavis  margine  
 tenui  cruffae  concolore,  interius  crenulato  inffructis,  adultioribus  plan 
 is ,  m a rg in e ' crifpo  p u lv e ru le n to ,  c in ctis,  d emum  convexis irreg u lari-  
 b iis ,  in  húmido  pallide  fu fc is,  in  ficco  r u f o - fu f c is ,  vel  nigricantibus ex  
 apice  foliorum  quafi  p edunculatis.  F o lio rum   forma  in  hifce magis  erofa,  
 inaequalis,  p u lv e re   quafi  nigricante  adfperfii,  qiiac  fenfim  cvaneicunt,  et  
 glebulae  folitariae  irre g u la re s ,  cum   pauc is  fcutellis,  rem an en t. 
 In   pofferiori  frondes magis  et  irreg u la rite r  diffufae,' h in c   inde etiam  
 lin e a r i-mu k ifid ae,  farinofae  co n flu en tes,  cum iis  fcutelliferis,  farina  di-  
 ftinctius  ad  lentem  g ran u lo fa ;  g ran u lis  quafi  pedunculatis.  Scutellae 
 fparfae  hinc  inde  ac erv ata e,  elevatae,  difco  pallide  vel  fe r ru g in e o .fufcae,  
 m a rg in e   crenulatac,  etiam  farina adiperfae.  F ro n s  e  c in e reo -v irid i,  iàe-  
 piífime  canefcit. 
 Locus.  I n   cortice abietino  aflèribus  trab ib u sq u e  habitare folent. 
 E x p l i c a í i o   F i g u r a r u m . 
 F i g .   a .  E x em p la r   a f c u t e l l i f e r i im . 
 i ' i g .   b.  —   —   f c u t e l la tu m   L i c l i e n i s   p a l l e f c e n t i s .   A n n e x a e   í*unt  f c u t e l l a e ,   le n t e   
 p a u lo   a u gm e n t a t a e . 
 Fot.  TIL  Fafc.  T U 
 i  i  i