REPORT ON THE BOTANY OF THE ATLANTIC ISLANDS. 45 



Marchantia crassa, A. Eich. 



Marchantia crassa, A. Rich., Voy. " Astrolabe," Bot., p. li. 



Ascension. Lesson. 



This name is apparently not taken up in the Synopsis Hepaticarum, and the plant may 

 not belong here. 



Targionia hypophylla, Linn. 



Targionia hypophylla, Linn., ex Rich., Voy. "Astrolabe," Bot., p. li. 



Ascension. Lesson. 



This name is cited by G. L. and N. (Synop. Hepat., p. 575), as a variety of Targionia 

 michelii, Corda, a very widely dispersed species. 



LICHENES. 1 

 LICHENACEI. 



Cladoniei. 

 Cladonia amaurocraea, Schser. 



Cladonia amaurocrcea, Schser., Spicil., p. 4; Nyl., Synop. Lick, i. p. 216. 



Cenomyce oxyceras, Acharius, Synop. Lich, p. 264 ; A Rich., Sertum Astrolab., p. 51. 



Ascension. Lesson. 



Europe ; Asia ; America ; Australia. 



Roccellei. 

 Roccella tinctoria, DC. 



Roccella tinctoria, DC, Fl. Franc, ii. p. 334 ; Nyl., Synop. Lichen., i. p. 258 ; Acharius, Lich. Univ., 

 p. 439. 



Ascension. Dr C. Collingwood. 



Atlantic Islands, including St Helena, and widely dispersed. 



Roccella phycopsis, Acharius. 



Roccella pthycopsis, Acharius, Lich. Univ., p. 440; Nyl., Synop. Lich., i. p. 259. 

 Roccella gracilis, Bory in Duperr. Voy. "Coquille," Bot. Crypt., p. 239?. 



Ascension. Lesson; Durville; Hooker. 



Mediterranean region ; Atlantic Islands, including St Helena ; Peru ; Madagascar. 



1 The Rev. J. M. Crombie furnished a list of the Lichens collected by Mr Moseley, and to these have been 

 added a few others recorded by A. Richard in his Sertum Astrolabianum, pp. 50 et 51. 



