1' LAG IOC in LA. 281 



DiMKNSioNs. — Stems J to 1 incli lon^-, diam. "L mm., with 

 leaves T mm. wide; leaves '8 mm. x '4 mm., segments '3 mm., 

 "7 mm. X '3 mm., seg. 2 mm., "05 mm. x "4 mm., seg. "3 mm.; 

 cells '03 mm., "02 mm., '0175 mm., -015 mm. ; cell-walls '01 mm. ; 

 perigonial bra(;ts 7 mm. x *55 mm., seg. '2 mm. ; autlieridia 

 •1 mm. 



H.\B. — Growing on rocks or trees in shady places. Rare. 

 7. Tyn-y-Groes, Alerionethshire, C. J. Wild, G. A. Holt, Dr. Car- 

 rington, W. 11. P. ; Dolgelly, Merionethshire, JF. Wilson, E. George; 

 Aber, Carnarvonshire, W. Wikon ; Lhinberis, Carnarvonshire, 

 W. II P.- 12. Keswick, C. Lyell, 1812 ; Br. Carriu(jUni $• W. II. P., 

 1884. 13. New Galloway, /. McAndreio. IG. Moidart, West 

 Inverness, S. M. Macvlcar 8f W. II. P. ; Scotland, W. Wilson. 

 South of Ireland, I)r. Taylor, and others. Bantry, Glengariti'e, 

 Killarney, &c. 



The Play, tridcniicidata, Tayl., reported as collected in Corn- 

 wall by the late Wra. Curnow, belongs to another species. 



Obs. — Distinguished from Playiochilu i^anctata, Tayl., by its 

 smaller size, compact habit, darker colour, oblong-ovate, cuneate 

 leaves, which are only bifid or trifid, and which when dry easily 

 fall off, leaving only the naked stem. 



When dry it turns almost black, and is then at once distin- 

 guished from any of the other PlayiochilcE. 



It is very doubtful whether Hooker's J/fny. spimdo-sa, var. 

 fridoilicidata, is this species ; the figures given in his " lirit. 

 Jung." certainly do not represent it. 



Playiocltila Iridenficidata, Dum. Recueil 1835, and Playiocliila 

 corniculata, Dum. Recueil 1835, are both founded on Hooker's 

 Jiniy. .splniflom, var. tridcniicidata, wdiicli probaljly is not the same 

 as Taylor's species. Dr. Spruce remarked in a letter, " the specific 

 name is not a very happy one, for * denticulata' means only rudi- 

 mentarily toothed, whereas the leaves of tliis plant are decidedly 

 2-3-lobulate." 



Dkscuiption of Platk CXVIII. — Fig. 1. Plants natural size. 

 2. Plant X 24(Tyn-y-Groes, North Wales, W. II. P.). 3. Portion 

 of stem X 24 (ditto). 4. Leaf x )i'o (ditto). 5. Portion of 



