344 THE CRYPTOGAMIC FLORA OF KENT. 



L. CONTIGUA, Fr. 



Oil rocks ; frequent. 

 Iglitham Common ; Enstliall Common. 



Known from L. conjiuens by the prominent thick margin of the 

 apothecia. 



L. CALCivoRA (Ehrh.) 



On chalk and calcareous rocks. E. B. 193. 



Charlton Wood chalk-pit ! Fl. Metr. ; Undercliff, Folkestone. 



The apothecia when diy appear to be sunken in the rock. 



L. CANESCENS (DicJiS.) 



On trees, rocks, walls, &c. ; rare in fruit. E. B. 582. 

 Bexley ; Dunton Green ; Wye ; Maidstone ; Brastead ; abun- 

 dantly in fruit upon trees near Hythe and in Broome Park. 



L. DISCEFORMIS, Fv. 



On trees ; not common m Kent. 



On trees at Toy's Hill, near Sevenoaks. 



Known from L. jjarasema by chloride of lime solution not 

 colouring the thallus, and by the 1-septate spores from L. endoleuca 

 and L. incompta. 



L. SIYRIOCARPA, DC. 



On old trees ; common. 



Northfleet ; Penshurst ; Selling ; Westerham ; Postling ; 

 Sibertswold ; Broome Park ; Crofton Woods, near Orping- 

 ton; Wye. 



L. NIGRITULA, Nyl. 



On old fir trees, &c. ; not common. 



Toy's Hill ; Hythe. 



Very similar to L. myriocarpa, but the apothecia are scarcely 

 margined and the spores small. 



L. VESICULARIS [Hofm.) 



On earthy ledges on limestone rocks, &c. ; not common. 



E. B. 1139. 

 Folkestone ; on a grassy spot between Sibertswold and Walder- 



share Park. 



L. CYRTELLA, Acll. 



On elder trees in damp shady situations ; frequent. E. B. 2155. 

 Beechborougli ; Sibertswold ; Walder share Park ; Newington. 



L. DENIGRATA, Fl'. 



On old pales, &c. E. B. Supplt. 2711. 



On old wooden rails near the Pembury Road, Tunbridge Wells. 



L. TRICOLOR [With.) 



On oak and birch trees ; rather common. E. B. 1735. 



Joydens Wood ; Halstead ; Chilstone Park ; Swanscombe Wood ; 

 Ightham ; Saltwood Castle. 



Known by its thin grey thallus, and apothecia varying in colour 

 from that of horn to brownish Ijlack. 



