212 MR, А. D. COTTON ON CRYPTOGAMS 
PARMELIA MOUGEOTII, Schaer. Enum. p. 46. 
E. Falklands; Duperry Harbour, Skottsberg. 
DisrriB. Probably cosmopolitan. 
Р. saXATILIS, Ach. Syn. р. 203; Hook. у. Fl. Ant. ii. p. 332. 
E. Falklands, Gaudichaud, Hooker ; Port Stanley, Port Louis, Duperry 
Harbour, Skottsherg. W. Falklands; Roy Cove, Vallentin. 
DISTRIB. Cosmopolitan. 
CETRARIA ACULEATA, Fr. Sched. Crit. ix. p. 32. 
Е. Falklands ; Port William, Lechler, 73 & 81. W. Falklands; Mount 
Cook, Vallentin. 
DISTRIB. All continents except Australia. 
C. ISLANDICA, Ach. Мей. р. 293. 
W. Falklands; Mount Cook, Vallentin. 
DisrriB. All continents except Australia. 
USNEA ANGULATA, Ach. Syn. p. 307. 
E. Falklands, Hooker. 
Distrib. Central and South America; southern Australia. 
For assistance with the Usneæ I am much indebted to Miss A. Lorrain 
Smith. А single specimen, about one foot long, with an angular and lacunose 
stem, collected by Hooker, we have referred to this species. 
U. ARTICULATA, Hoffm. Fl. Germ. p. 135. U. barbata, var. articulata, 
Ach. ; Hook. f. Fl. Ant. ii. p. 521. 
E. Falklands, Hooker, Wright. W. Falklands ; Crooked Inlet, Roy Cove, 
Port Egmont, Vallentin. 
DISTRIB. Cosmopoliton. 
Miss Lorrain Smith agrees with me in referring a lax and slightly 
branched Usnea resting lightly on Æmpetrum rubrum to a form of this 
species. The main branches are 2-3 mm. wide, and but sparingly articulate. 
“ Very delicate in form and colour ; not common." 
О. FLORIDA, Ach. Lich. Univ. p. 304. 
E. Falklands, Hooker. W. Falklands; Crooked Inlet, Roy Cove, 
Vallentin. 
DISTRIB. Cosmopolitan. 
Several specimens found on a gate-post appear to be referable to dwarf 
forms of U. florida. Similar specimens found on twigs agree well with 
f. denudata, Wainio (’03, р. 10). 
