
 
        
         
		P l a t e   CCCXLVII.  C. 
 MELOBESIA  VERRUCATA,  Lamour. 
 M e lo b e s i a  wn-Kca;!«;  thin,  expanded,  irregularly  lobed,  pallid,  dotted  
 over with innumerablej  small,  pimply  ceramidia. 
 H a b .  With  the preceding. 
 m i c a   Patches from  a  quarter to  half an  inch  in  length, oblong,  variously  lobed  
 at  tlie margin,  uneven.  Ceramidia  very  numerous, minute. 
 0.  Fig.  1.  Melobesia  veekuoata  -.— natural size.  2.  A  portion  i 
 P l a t e   CCCXLVII.  D.  
 MELOBESIA  PUSTULATA,  Lamour. 
 M e lo b e s i a   thick,  dull  purple  or  green,  oblong or lobed,  in 
 conicid“’  ceramidia  numerous,  large,  rather  prominent 
 Melobesia  pustulata,  Lamour. Cor. Mex.  pi.  13.  f.  2.  a.  B.  Kiitz  8v  Ala  
 p.  696.  Harv.Man. 
 H a b .  On  Phyllophora  ruhens and  other Alg®;  common. 
 D escb  Patches often  an inch  or more in length, and half an inch broad, tHckish  
 of  irregular  foi-m,  frequently  lobed,  closely  adhering  to  flat  surfaces  o4  
 clasping  cyhndrical  stems,  the  surface  more  or  less  uneven.  Ceramidia  
 several  on  each  patch,  clustered,  of  large  size  in  proportion  to  those  of  
 other  alhed  species,  prominent,  conical.  Colour, when  well  grown  a  dark  
 reddish purple,  changing to  green  and  finally  to  white. 
 L ).  Fig. 1.  M e lo b e s ia   p u s t u l a t a  ;—;■natural size.  2.  A 
 I  have  thought  it  best  to  figure  these  four  reputed  species  on  
 one  plate,  that  the  slight  differences  noticed  between  them mat  
 be  seen.