LICHENES. 129 



3. Ramalina scopulorum, (Retz.) Ach. 



Lichen scopulorum, Retz. Obs. Bot. 4, p. 30, cit. Ach. 



Ramalina scopulor urn, Ach. Lichenogr. p. 604; Syn. p. 297 ; Fr. Lichenogr. p. 32; 

 Lich. Suec. n. 300; Nyl. Prodr. p. 48. 



Hab. Kaala Mountains. Society Islands, Oahu. Wilson's Islands, 

 Paumotu group. Tonga, Fejee, and Saraoan Islands. 



4. Ramalina attenuata, (Pers.) Montag. (Tab. 1, fig. 3.) 



Physcia attenuata, Pers. in Act. Wetterav. fide eel. Montag. 

 Ramalina attenuata, Montag. herb. 



Hab. Rio Janeiro. Mountains of Tahiti. Hawaii, Sandwich Islands, 

 and Emio, Society Islands. — The lichen from the first-mentioned 

 locality is what is figured, but the others appear to agree with it. It 

 is perhaps too near to some extreme forms of the last species. The 

 attenuate habit of the plant is shown in the figure. 



5. Ramalina rigida, (Pers.) Ach. 



Lichen rigidus, Pers. in schedula, ex. Ach. Syn. infra cit. 

 Ramalina rigida, Ach. Syn. p. 294 ; Montag. Cuba, 1. c. p. 235. 



Hab. Rio Janeiro, Brazil. 



6. Ramalina laevigata, Fr. 



Ramalina laevigata, Fr. PI. Homon. p. 283, fide ill. auctoris. 



Cornicularia dein Parmelia Berterii, Spreng. Syst. 4, 1, p. 279. 



Parmelia EcMoni, Spreng. 1. c. Cur. Post. p. 328 ; Mey. & Flot. in Nov. Act. Nat. 



Cur. 19, Suppl. p. 213; Nyl. Enurn. 1. c. p. 100. 

 Parmelia Celastri, Spreng. 1. c. fide Hamp. in herb. Berol. 

 Ramalina /rax inea var. membranacea, Laur. in Linnaea, 2, p. 43, fide sched. in herb. 



Berol. 

 Ramalina prolif era, Kunz. herb. 



33 



