KAMALTXA.] RAMALINEI. 189 



3. R. farinacea Ach. Lich. Univ. (1810) p. 606. Thallus sub- 

 rigid, roundly or planely compressed, siiblacunose or obsoletely 

 nervoso-plicate, white straw-coloured or pale-glaucous ; laciniae 

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

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

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

 straight, ellipsoideo-oblong or fusiformi-ellipsoid, 0,008-16 mm. 

 long, 0,004-7 mm. thick. Gray, Nat. Arr. i. p. 407 ; Hook. Fl. 

 Scot. ii. p. 68 ; Sin. Eng. Fl. v. p. 225 ; Tayl. in Mack. Fl. Hib. ii. 

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

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

 Leight, Lie'h. Fl. p. 93. Lichen far -inacevs Linn. Sp. PI. (1753) 

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

 Arr. ed. 3, iv. p. 50 ; Erig. Bot. t. 889. Lichenoides seymentis angiis- 

 tiorihtis, ad margines verrucosis et pulverulentis Dill. Muse. 172, 

 t. 23. f. 63 B, c.Brit. Exs. : Leight. n. 40 ; Mudd, n. 45; Cromb. 

 n. 22. 



The thallus, which varies somewhat in the length and breadth of the 

 lacinise, is more or less sprinkled with white-pulverulent, round or oblong 

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

 to merge into the preceding. The apothecia, which are small, are rare 

 in this country, as well as the spermogones, which are similar to those of 

 7?. calf car is. 



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

 upland districts. Distr. General and usually plentiful throughout Great 

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

 Boulay Bay, Island of Jersey. Near Loughton, Epping Forest, Essex: 

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

 Hnnts ; Carrisbrook, Isle of Wight"; Penzance and Withiel, Cornwall ; 

 Madingley, Caml ridgeshire ; Gopsall, Leicestershire ; Malvern and Broad- 

 was, Worcestershire ; Causeway, Warwickshire ; Dynevor Castle, Car- 

 marthenshire ; Island of Angle'sea ; 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, Arsjyleshire ; Locb Katrine, Finlarig, Craig Calliach, 

 Blaeberry Hill, Balthayook Woods, Perthshire ; Baldovan Wood, Foi> 

 farshire ; Countess-wells AVoods, near Aberdeen and Invercauld, Braemar, 

 Aberdeenshire ; Glen Nevis, Inverness-shire ; Lairg, Sutherlaijdahire ; 

 Applecross, Ross-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. 



Hob. On trunks of old trees in wooded districts. Distr. Local and 

 rare in S.W. England; no doubt to be detected elsewhere. B. M. : New 

 Forest, Hampshire. 



Form 2. phalerata Ach. Lich. Univ. (1810) p. 607. Thallus 

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



