BOTANIQUE. 20 > 



1 . Urceolaria y Fr. 



Apotbecia crustce innata vel verrucis protiiberantibus 

 inmersa. Lamina urceolata aut protubcrans verrucwfor- 

 miSj nigresces 3 normaliter ccBsio-pruinosa , marginla. 

 Thallus crustceas adnatus liypoiliallo scepe Jibrilloso 

 radiante aut cun thallo confuso albido. Fr. , 1. c. , 

 p. 176. 



PARMELIA VALENZELIANA , Montag. 



P. c rusta rugoso-granulata viridi-glaucesccnte effusa 

 cum lijpothalio confusa , lamina verrucis prorsus im- 

 mersa fusca primo comventi, demum urceolata margine 

 proprio albido vel cum thallode granuloso connato , vel 

 denudato lacero rupto subradiatim rcflexo. Sporidia na- 

 vicularia bilocularia ascis elewatis amplis acl speciem 

 cellulosis inclusa. 



Hab. Ad corticem rugosam arborum prope Havanam 

 leda, Hypochni albo-cincti, Montag. confinis. 



Desc. Thallus crustaceus, tenuis, granulosus, cum hvpothallo 

 oblitralo confusus, indeterminatus, per corticem iiicquahilcm ru- 

 gosam ate cffusus, huniectus late > iridis, siecus c virescente gri- 

 seus, verrucis miuulishcmisplKcricisoculo arma lo tantumeonspicuis 

 adspersus. Apoiheciorum lamina fusca vel fusco-san guinea, ver 

 rucis thalli immcrsa, urceolata, jnior clausa, margine thallode 

 slriato vel in rugas radiantes eoaclo, dein magis magisque a thallo 

 dendala lacero-dehiseens, plus minusve lateaperta, margine pro- 

 prio albidulo integro inlexo aut raro radiatim rellexo. Sporidia 

 numerosa, cymbiformia, bilocularia, uulloordinc ascis clavatis am- 

 plis parphysibus immixtis ad speciem cellulosis inclusa. Specics 

 Gyaleclis valde aflinis. 



Obs. CettcParmlie, qu'onprcndraitaisment,au premier abord, 

 pourun Tliclolrcma, est dislinctc non seulemenl des espces de << 



