LICHENES. 
94 
Parmelia azurea Ach. Melh. Licii, p. 228. 
Lichen azureus Swartz. Flor. Ind. occ. 3 . p. 1898. Ejusd. Licii. Americ. t. i 5 . 
p ) Thallo vir i di-caeruleo; apotheciorum disco intense fusco. 
Crescit vcir. a. in jugis Andium; var. P ad radices montis Sancta' Polonue , juxta 
Caxamarcam , ait. 1480 hex. [Regno Peruviano.) 
5. COLLEM A diaphanujvi. 
C. thallo loliaceo, membranaceo, tenerrimo, laevi, pellucido, subcserulescente; lobis irre¬ 
gularibus, plicato-undulatis, crispis, inciso-laciniatis, denticulato-crenulatis; apolheciissparsis, 
''iibpodicillalis, demum convexis, rubro-ferrugineis; margine pallido. Ach. 
Collema diaphanum Ach. Synops. Lich. p. 325 .— Synops. Piant, ceq. 1. p. 37. 
Parmelia diaphana Ach. Meth. Licii, p. 223 . 
Lichen diaphanus Swartz. Flor. Ind. occ. 3 . p. i 8 g 3 . Ejusd. Licii. Am. t. 17. 
Crescit ad litora maris , prope Cumanam. in cortice Cocoes aurifera'. 
4 . COLLEMA olivaceum. 
C. thallo foliaceo, membranaceo, tenerrimo, olivaceo-viridi, undulato; lobis rotundatis, 
plicato-undulatis, crispatis; margine papilloso-dentato; apotheciis sparsis, sessilibus; disco 
concavo, atro- fusco; margine pallido. 
Collema olivaceum Synops. Piant, trq. 1. p. 38 . 
Crescit locis temperatis Andium , inter Popayan et Almaguer. [Regno Novo- Grana- 
tensi.) 
Collemati diaphano simile 5 differt praecipue colore thalli et apotheciorum. 
o. COLLEMA RIVULARE. 
C. thallo foliaceo, membranaceo, subdiaphano, glauco-subolivaceo; lobis erectiusculis, 
oblongis, subrepandis , flexuoso-subcrispis , complicatis; apotheciis submarginalibus, planis, 
fuscis; margine pallidiore. Ach. 
Collema rivulare Ach. Synops. Lich. p. 3 a 6 .— Synops. Piant, eeq. 1. p. 38 . 
Lichen rivularis Ach. in Nov. Act. Stochh. V. 22. p. i 63 . t. 3 ,f. 5 . 
Lichen tremelloides Smith. Engl. Bot. t. 1981. 
Crescit in ripa Orinoci , prope Guaporosso. 
6 . COLLEMA marginellum. 
C. thallo foliaceo , membranaceo, subdiaphano, subrugoso, glauco- virescente; lobis lon¬ 
giusculis; marginibus undulatis, plicato-flexuosis, crispis; apotheciis minutis, marginalibus, 
ferrugineis; margine pallido. Ach. 
Collema marginellum Ach. Synops. Lich. p. 326.— Synops. Piant, a q. 1. p. 38 . 
Collema marginale Hojfm. Piant. Lich. 2. p. 47 * L oT. /i 1. 
Parmelia marginella Ach, Meth. Lich. p. 2i5. 
Lichen marginellus Swartz. Flor. Ind. occ. 3 . p. 1896. Ejusd. Lich. Am. t. 18. f. 1. 
Crescit locis temperatis Andium , inter Popayan et Almaguer [Regno Novo- Grana- 
tensi ), et in sylvis Cinchorne , juxta Loxam et Gonzanamam , ait. 1080 hex. [Regno 
Peruviano.') 
