432 Proceedings of the Royal Irush Academy. 
Leaves ovate- acuminate, sub-serrate, slight- 
ly striated, nerve reaching above half 
way ; fruit-stalk slightly rough, . . 9. H. mildeanum. 
Leaves ovate- acuminate, serrate, striate, 
nerved half way to apex ; fruit-stalk 
rough, 10. H. EUTABULUM. 
L H. {Brachythechmi) lutescens (Hudson). DeNotr., Briol. Ital.,p. 
113. Hypnum lutescens, Bryol. Brit., p. 115, tab. 25. 
Camptothecium lutescens, Bryol. Europ., vol. iv. Monogr. , p. 
6, tab. 558. Schimp., Synops. Muscor., p. 528. Eabenhor., 
Bryothec. Europ., No. 592. 
Hab. Rocks and sands near the sea. Portmarnock, Malahide, and 
Portrane, Dublin ; near Arklow, "Wicklow ; near Killala, 
Mayo, &c. Eruiting at Blarney, Dr. Power, in El. Cork. 
2. a. {Brachythecium) albicans (Dill.). Bryol. Europ., vol. vi. IVIo- 
nogr., p. 19, tab. 553. Schimp., Synops. Muscor., p. 538. 
Hypnum albicans, Bryol. Brit., p. 337, tab. 25. Engl. Bot., 
tab. 1300. Hook, and Taylor, Muscol. Brit., p. 167. 
Hab. On sands near the sea shore. Abundant at Portmarnock, 
Malahide, and Portrane, Dublin, where it fruits freely. Ge- 
nerally distributed. 
3. H. {Brachythecium) glareosum (Br. et Schimp.). BryoL Europ,, 
vol. VI. Monogr., p. 19, tab. 552. Schimp., Synops. Muscor., 
p. 553. Rabenhor., Bryothec. Europ., '^o. 544. Hypnum 
glareosum, Bryol. Brit., p. 338, tab. 55. 
Hab. On grassy banks. Abundant about Glasnevin, and other 
places near Dublin, 'Wicklow, Connemara, &c. 
4. R. {Brachythecium) rivulare (Br. et Schimp.). Bryol. Europ., 
vol. VI. Monogr., p. 13, tab. 549. Schimp., Synops. Muscor., 
p. 543. Rabenhor., Bryothec. Europ., No. 746. Hypnum 
rivulare, Bryol. Brit., p. 346, tab. 55. 
Hab. On dripping rocks and watery places by the sides of rivulets, 
&c. Ballinascorney Glen, and Kelly's Glen, Dublin ; wet rocks 
• between Arklow and "Wooden-bridge, Wicklow ; Connem.ara ; 
Brandon, Kerry ; Dodge's Glen, Cork, Isaac Carroll. 
5. H. {Brachythecium) illecehrum (Schwaegr.). De JN'otr., Briol. 
Ital., p. 113. Hypnum illecehrum, Bryol. Brit., p. 343, 
tab. 35. 
