ADDITIONS AND CORRECTIONS. 
‘Page 340, 1.6 from bottom. For Frattinickia read Trat- 
‘tinickia. 
_ P. 371, L. 4 from bottom. For gigartinus pistillatus read 
gigartina pistillata. “ 
P. 372, |. 10. For gigartinus read gigartina. . 
P. 373. The varieties of gigartina cornea, 6, y, & 4, 4, 
and 1, to be made feminine by changing the final us into a, 
as filicinus into filicina, &c. 
-P,394. For flagellaria lubricalis.read furcellaria lubricalis. 
P.412. 4. Isidium mierosticticum. Small-footed isis-lichen. 
Crust cracked, tartarlike, rather. smooth, nearly even, 
brownish cream-colour; edges thin; podetia scattered, short, 
hemispherical, not branched, same colour as the crust; 
apothecia brownish. : ay 
Lichen microsticticus, Engl. Bot. 2243. 
On rocks, 
P. 429, 1. 12 from bottom. For lichenoides lichen facie 
read lichenoides lichenis facie. 
P. 447. 4.* Placodium elegans. Elegant placodium. 
Crust rather tiledlike, plaited, wrinkled, orange-yellow ; 
surface not mealy; lobes linear, jagged, waved, convex, 
rather distant, radiating; apothecia slightly concave, nearly 
the same colour as the crust; ¢halloid border slightly waved, 
not in the least cut. 
Lecanora elegans o, Achar. Lich. 435. 
Parmelia elegans, Achar. Meth. 195. , 
Lichen elegans, Link Ann. 1, 57; Engl. Bot. 2181. 
On rocks, especially near the sea. 
P. 450. spec. 7. For lecanora sophodes read rinodina 
sophodes. 
P. 451. 8.* Renodina subfusca. Brownish rinodine. 
_Crust cartilaginous, smooth, grows granulated, uneven, 
white and greyish; apothecia flat, slightly convex, brownish 
and black; ¢halloid border swollen, not cut, at length wavy, 
and crenated. 
