♦ 



Moore — On Irish Hepcdicce, 663 



PETAXOPHTLLTJil, Gottsche. 



Codonia {pro parte), Dumort. Comm. Bot. p. Ill (1822). Diplolsena, 

 sp., ]!^ees, Eur. Leberm. 3, p. 352 (1838). Petalophylli sp. 

 Gottsclie, Syn. Hep. p. 471 (1846). 



Involucre connate with the colesule. Colesule quadrato-campanulate, 

 mouth infundibuliform, undulate, subdentate. Capsule coriaceous, 

 univalved, ultimately cleft into 4 ii'regular segments. — Du- 

 mortier. 



Petdopliyllum JRalfsii (Gottsche), "Wilson. Frond spreading horizon- 

 tally, broadly obovate, bluntly forked at apex, lamellated and 

 rayed. Colesule funnel-shaped, broad, and toothed. " Capsule 

 spherical, bursting irregularly." 



Jiingermannia Ealfsii, "Wilson, in suppl. to Engl. Bot. 4, tab. 2874. 

 Diplolaena Lyellii, var. S. lamellata, IS'ees, Europ. Leber. 3, 

 p. 345. Petalophyllum Ealfisii, N. G. in Lehm. Pugill. 8, p. 30 ; 

 G. L. et K Syn. Hep. p. 472 ; Cooke, Brit. Jung. p. 22, fig. 167. 

 Codonia Ealfsii, Dumort. Hepat. Europ. p. 16, tab. 1, fig. 2. 

 Petalophyllum lamellatum, Lindberg, Alanipulus Muse, secund. 

 p. 390. 



Hab. On damp sandy ground near the sea. ITalahide sands, and at 

 [N'orth Bull sands, both near Dublin. I^ot hitherto observed else- 

 where in Ireland. 



Blasia, Micheli. 



Blasia, Mich. Nov. PI. Gen. p. 14 (1729); Linn. El. Suec. ed. 1, 

 p. 933; ed. 2, p. 405 (1745); et Sp. PI. p. 1605 (1753). 

 Jungermannia, Hook. Brit. Jung. tt. 82-84 (1816). 



Frond nerved. Perichfetium pitcher-shaped, attached to the apex of 

 the frond. Colesule within the perichsetium. Capsule quadri- 

 valved. Elaters geminate. Inflorescence dioecious. 



Blasia pusilla (Linn.) Frond oblong, divided at the apex palmately 

 or dichotomously, nerve broad, with scattered dentate scales be- 

 neath. Colesule rising from the upper side of the frond near the 

 point. 



Blasia pusilla, Linn. Sp. PL 1605; "Web. et Mohr, Crypt. Germ. 

 p. 437 ; Hoffm. Germ. 2, p. 22, tab. 3 ; Dumort. Hepat. Europ. 

 p. 135. Jungermannia Blasia, Hook. Brit. Jung. t. 82-84; 

 Ekart, Synop. tab. 11, fig. 94, ct tab. 13, fig. 114; Taylor, in 

 Fl. Hib. p. 56. 



Hub. On sandy moist banks by the sides of streams, &c. Fruiting in 

 March at Castle Kelly glen, Dublin, Dr. Taylor. Moist banks 

 near the "Wooden Bridge, "Wicklow ; at the base of Brandon 

 Mountain, Kerry ; but not very common anywhere in Ireland. 



