338 THE CRYPTOGAMIC FLORA OF KENT. 



L. TART ARE A (L.) 



Oil rocks and trees, chiefly in subalpine or alpine districts. 



On tlie rocks on Rustliall Common ; Furster Ft. Tiinbr, In a 

 barren state on trees at Iglitliam, House ! 



In the barren state this Uchen may be distinguished from 

 PertusaricE, which the thallus much resembles, by the yellowish 

 soredia, and from L. parella f. Turneri by turnmg red with solution 

 of chloride of lime, while in L. parella and its varieties the apothecia 

 only turns red with that reagent. 



L. PARELLA (I/.) 



On walls, trees, rocks, &c. ; not very common. E. B. 727. 

 On sandstone rocks, Ightham ; on a wall, Brastead, near 

 Rusthall Common. 

 Var. pallescens (L.) Ightham; on pebbles, Lydd Beach; on 



flints, Shoreham ; Maidstone. 

 Var. tumidula (Pers.) Trees near Lympne ; Chittingstone, near 



Penshurst. 

 Var. Turneri (Sm.) Lecanura Turneri, E. B. 857. With shields, 

 which are rare, on a tree at Hawkhurst ; Jenner Fl. Tunhr. 

 Halstead with young apothecia ; Tunbridge WeUs. "- 



L. RUPESTRis (Scup.) 



Var. calva (Dicks.) On walls, rocks, and stones ; frequent. 

 E. B. 948. Brastead; Shoreham; Maidstone; Folkestone. 

 Var. viridi-fiavescens (Wulf.) Sevenoaks. 



L. VARLA [Ehrh.) 



On trees, palings, walls, &c. ; common. E. B. 1666. 

 On trees on Tunbridge Wells Common ; Jenner FL Tunhr, 

 Greenhithe. 

 Var. symmiecta (Ach.) On palings near the railway station, 



Shoreham. 

 Var. conizcDa (Ach.) Lecanura expalle^is (Jenner Fl. Tunbr.) 

 On the barn between Tunbridge Wells Common and Hurst 

 Wood ; Jenner Fl. Tunhr. 



L. ATRA (Iluds.) 



Common on walls, rocks, &c. E. B. 949. 



Bexley; Edenbridge; Sevenoaks; Brastead; Maidstone; Rust- 

 hall Common ; rocks near Fisher's Castle, Tunbridge 

 Wells ; Beverley Park, near Canterbury ; Beechborough. 



L. SULPHUREA (Hofi'm.) 



On rocks and walls ; rather rare. E. B. 1186. 



On a brick wall in a lane by Beverley Park, Canterbury, 

 abundantly ; rocks near the sea, Sandgate. 



Easily recognised by its thick pale yellowish cracked thallus 

 and deformed convex blackish apothecia. 



L. EXPALLENS, Ack. 



On old trees, &c. ; not common. 

 Ill a wood near Selling : Ightham ; Egerton. 

 Distinguished from L. varia var. conizaa by giving a reddish 

 yellow colour with solution of chloride of lime. 



