Zycopodium.] LTCOPODIACE^. 461 



Mart i8Sj a. — IX. Ou mountains of Sligo, but rare {J. Wynne) : 

 Cyih. — X. On Aghla, Tyrone (^<?OT«Vfl;;^/b»««): Cyh.—Xl. Plentiful 

 on the s ummi t of Barnesmore mountains, Donegsd : Mach. Ra/r. On 

 several mountains in Donegal, but rare in tie county : Sort iS'jg, 

 ^^^5 y> ^f^- — ^11- On the mountains of Down : Harris's Down 

 (recorded as "Savin"). %Yvsv^Jiwax&.: Tm/pMon MS. On most 

 of the Mourne summits : S. Sj- P. i8gj. On the top of Black 

 mountain, Antrim, 1793 {Tempkton) : WUtla Jf/S.— stUl there : 

 Flor. N.-E. i888. Several other localities in Down and Antrim 

 are given in Flor. W.-K and S. Sj- P. i8gs. In Deny, only seen 

 on Dart and on SHeve GraUion (Moore) : Cyb. 



From 1400 to 2219 ft. in Donegal (Mart) ; 1900-2796 ft. in Down 

 {S.Sj-P.); 1560-2500 ft. in Mayo {Bart) ; and at 2650 ft. in Kerry 

 {More). 



OEDEE LXXXI.— SELAGINELLACE.a;. 



SELAGINELLA Spring. 



1. S. selaginoides Gray — Little Prichly Club-moss. 

 S. spinulosa Braun — Zycopodium selaginoides Linn. 



Districts I. — III. ly. y. yi. yn. viii. ix. x. xi. xii. 



Lat. 51f°-55i°. South to North. Type, Highland. 



Moist places on mountains, heaths, sandhills, &c. ; frequent. 

 Frt. June-August. 



Sea-level in N. Antrim and in Dublin. To 1800 ft. in Donegal, 

 and to 2100 ft in Mayo {Hart). 



Like most of the Club-mosses, this is very rare in the south- 

 west. " Near Bantry " : Drummoni 1820 is the only record we are 

 aware of. It is frequent over the rest of Ireland even at low 

 levels, and occurs on sandhills by the sea in Dublin, Antrim, and 

 Deny. 



ISOETES Linn. 

 1. I. lacustris Linn. — Quill-wort. 



Distiicts- I. II. — ly. .— yill. IX. X. XI. XII. 



Lat. 51J°-55i°. South to North. Type, Highland. 



In lakes, chiefly in mountainous districts ; frequent. Frt. 

 June-Aug. 



