316 PALMELLE^. 



4. COCCOCHLOKIS DEPRESSA Menegll. 



Plate LXX VIII. Figs. 4 a. 4 b. 



Char. " Fronds subhemispherical, depressed, green. Granules 

 globose or irregular." Berk. 



Palmella depressa Berk., Glean, p. 19. t. 5. f. 4.; Harv. 

 in Manual, p. 178. 



Hob. Growing on an old pump at Cotterstock, North- 

 amptonshire, and constantly moistened by the dripping 

 of the spout. 



" The irregular granules, some of them larger than others, 

 and many being agglomerated together, and comprehended 

 in a common integument, as depicted by the author, have 

 led to this generic collocation of this species. The comparison 

 also which the author of this species instituted with the 

 Palmella terminalis Ag. appears to sustain this opinion." 

 Menegh. When dried the frond is destitute of gloss. 



5. COCCOCHLOKIS MOOKEANA Hass. 

 Plate LXXVIII. Figs. 1 a. 1 b. 



Char. Fronds large, globose or lobed, of a rich dark ceru- 

 ginous green colour, unaltered in drying, and of firm 

 substance. Globules oval, small, tolerably uniform in size 

 and shape. 



Palmella Mooreana Harv., in Manual, p. 178. 



Hob. In a boggy hole at Shane's Castle, the seat of Lord 

 O'Neill, near Lough Neagh : Mr. D. Moore. 



" The fronds are of an irregular globose form, about an 

 inch in diameter, tuberculated, and inclining to become hollow 

 in the centre when old, at which time it floats on the sur- 

 the colour is dark green, and the substance firm, resem- 

 bling that of an animal's liver." Moore's MS. The rich 

 geruginous green colour of this species, resembling that of 

 many Oscillator ia, affords a character whereby at once this 

 species may be distinguished from all its congeners. The 



