152 THE JOURNAL OF BOTANY 



E. ntsciforme Milde. — Plagiothccium denticulatiim B. & S. — P. M*- 



dulatum B. & S. Very fine in the wood skirting Llyn Helyg, 

 W\ d D. — Amblystegium serpens B. & S. — A. Jilicinum De Not. 

 A. Juratzkanum Schimp. In the Hendre Quarry between Nannerch 

 and Rhydyinwyn, 1906, W. d D. 



Hypnum stellatum Schreb. — H. elodes Spruce. Very sparingly, 

 and confined to a limited area on the south shore of Llyn Helyg, 

 W. d D. Growing in company with Salix repens, Carex (Ederi, 

 Scapania irrigua, Hypnum revolvens, and H. scorpioides. — H. commu- 



tation Hedw., W. d D. 



Bank b; 



Swartz. 



Quarry, W. d D. — H. revolvens 



vs\ W. d D. : swampv ground 



above Bryn Ffynnon. — H. exannxdatum Giimb. Shore of Llyn 

 Helyg, intermixed with Pilularia, W. d D. — H. exannxdatum Giimb. 

 var. (3 br achy dicty on Ren. In quantity in marshy ground by the 

 Pant-yr-Gof lead mine. — H. revolvens Swartz. Above Bryn Ffynnon ; 

 south shore of Llyn Helyg, W. d D. — H. cupressiforme L. — H. 



cupressiforme L. var. £ ericetorum B. & S. — H. cuspidatum L. — H. 



cordi folium Hedw. Very fine, and fruiting plentifully in the swamp 

 by Plas Captain, W. d D. — H. Patientim Lindb. In a damp spot 

 in the Hendre Quarry, W. d D. — H. molluscum Hedw. — H. scorpi- 

 oides L. Above Bryn Ffynnon in considerable quantity ; sparingly 

 on the south shore of Llyn Helyg, W. d D. — H. Schreberi Willd. 

 Llyn Helyg, W. d D. 



Anomodon viticulosus Hook. &Tay. — Hylocomium splendensB. & S. 

 H. sqtiarrosum B. & S. — H. triquetrum B. & S. 



LlCHENES. 



Collema granosttm Nyl. On limestone, Clan-yr-afon, near Rby- 

 dymwyn, W. d D.; near Cilcain, W. d D. — ft pulposum Ach. 

 Nannerch; Bhydymwyn; near Holy well ; Ffrith. — C. granulijerum 

 Nyl. Quarry near Whitford ; Glol, W. d V. — C. melanum Ach. 

 On limestone, Hendre Quarry, Clan-yr-afon, W. d D. — Leptogiion 

 lacerum Gray and L. pidvinatum Nyl. The Leet, amongst moss, 

 W. d D. 



Cladonia pyxidata Fr.— C. furcata Hoffm. Stony ground skirting 

 Llyn Helyg, W. dD. — C. pungens Flk. The Leet, W. 4 D.— 

 C. macilenta Hoffm. Near Mostyn. — Cladina sylvatica Nyl. Elevated 

 ground in the Leet, W. d D. 



Eamalina j'arinacea Ach. — R. fraxinea Ach. Apparently less 

 frequent than the preceding species; Llyn Helyg; Cilcain. — Usiiea 

 hirta Hoffm.— U. fiorida Ach.— Platysma glaucum Nyl. On syca- 

 more-trunks near Llyn Helyg, altitude 600 ft., W. d D.—Evernia 

 prunastri Ach. 



Parmelia perlata Ach. Lixwm, circa 650 ft., W. d D. — P* 

 laevigata Ach. Sparingly on the trunk of a hawthorn on Glol, 

 altitude 700 ft., W. d D.—P. saxatdis Ach. Nannerch, W. d P.— 

 P. sulcata Tayl. Lixwm ; near Caerwys, on ash, W. d D.—P* 

 conspersa Ach., W. d D. — P. fuliginosa Nyl. On some wooden 

 railings by the road near Clan-yr-afon, W. d D.—P. physodes Ach. 



