EAMALTNA.] KAMALIXEI. 189 



3, R. farinacea Aeh. Lich. Univ. (1810) p. 606.— Thallus sub- 

 rigid, i-duudly or planely compressed, sublacunose or obsoletely 

 nervoso-plicatc, white straw-coloured or pale-glaucous ; laciuiie 

 linear, attenuate, sorediifcrous (medulla and soredia K — ). Apo- 

 tbecia pedicellate, small, terminal and lateral, plane or convex, 

 glaucescent or pale-testaceous, the receptacle smooth beneath ; spores 

 straight, elli])soideo- oblong or fusiformi- ellipsoid, 0.0U8-16 mm. 

 long, 0,004-7 mm. thick.— Gray, Xat. Arr. i. p. 407: Hook. Fl. 

 Scot. ii. p. (58 ; Sm. Eng. FL v. p. 225 ; Tayl. in Mack. Fl. Hib. ii. 

 p. 85 ; Leight. Lich. Fl. ed. 2, p. 472, ed. 3, p. 84. — RamaUna 

 calicaris e. farinacea Mudd, Man. p. 73: Cromb. Lich. Brit, p. 25; 

 Leight. Lich. Fl. p. 93. Lichen farinacens Linn. 8p. PL (1753) 

 p. 1146 ; Huds. Fl. Angl. p. 451 jLightf. Fl. Scot. ii. p. 833 ; With. 

 Arr. ed. 3, iv. p. 50 ; Eng. Bot. t. 889. Lichenoides ser/nieniis angus- 

 tiorihus, ad margines verrucosis et indveridentis Dill. Muse. 172, 

 t. 23. f. 63 b, c.~Brit. Kcs. : Leight. n. 40 ; iludd, n. 45; Cromb. 

 n. 22. 



The thallus. wliicb vaiie< somewhat in the length and breadth of the 

 lacinije.is more orle.«s sprinkled with white-pulverulent, round or oblong 

 marginal soredia. Occasionally these are almost absent, when it seems 

 to merge into the precedin;r. Tlie apothecia, which are small, are rare 

 in this country, as well us the spermogones, which are similar to tho-e of 

 Ii. calicaris. 



Hub. On the trunks and branches of trees in wooded lowland and 

 upland districts. — Distr. General and usually plentiful tliroughout Great 

 Britain: apparently rare in Ireland and the Channel Islands. — B. 31. : 

 Boulay Bay, Island of Jersey. Xear Loughton, Eppiug Forest, Essex : 

 Shiere, Surrey : Glynde, Sussex: Lydd, Kent; Lyndhurst, New Forest, 

 II nts ; Canisbrook. Isle of Wight ; Penzance and '\\'ithiel, Cornwall ; 

 ^ladingley, Cam' ridgeshire : Gopsall, Leicestershire ; Malvern and Broad- 

 was, Worcestershire : Cau>eway, Warwickshire : Dynevor Castle, Car- 

 marthenshire : Island of Anirlesea : Bettws-y-Coed, Denbighshire ; near 

 Oswestry and Shrewsbury, Shropshire : Newton, Cleveland, Yorkshire ; 

 Teesdale and Eglestone. Durham : Stavely, near Kendal, Westmoreland ; 

 Alston, Cumberland. New Galloway, Kirkcudbrightshire: near Edin- 

 burgh ; Appin, Arsryleshire : Loch Katrine, Finlarisr, Craig Calliach, 

 Blaeberry Hill, Balthayock "\\'oods, Perthshire : Baldovan Wood, For- 

 farshire ; Countesswells Woods, near Aberdeen and luvercauld, Braemar, 

 Aberdeenshire ; Glen Nevis, Inverness-shire : Lairg, Sutherlandshire ; 

 Applecross, Rnss-shire. Near Cork ; Dunkerron, co. Kerry. 



Form 1. pendulina Ach. Lich. Univ. (1810) p. 607.— Thallus 

 more lax. longer and pendulous, the laciniae rather broader. — 

 Cromb. Grevillea, 1886, p. 47. — Parmelia farinacea y. pendulina 

 Ach. Meth, (1803) p. 264. 



A mere luxuriant form, which is but sparingly fertile. 



Hab. On trunks of old trees in wooded districts. — Disfr. Local and 

 rare in S.W. England: no doubt to be detected elsewhei'e.— B. M. : New 

 Forest, Hampshire. 



Foi-m 2. phalerata Ach. Lich. Univ. (1810) p. 607. — Thallus 

 small ; lacinioe short, somewhat broad, usually proliferous at the 



