. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. 514 LICHENACEI. [thblotkema. p. 45.—Lichen lepadinus Ach. Prodr. (1798) p. 30. Lichen in- clmus Eng. Bot. t. 678.—Brit. Eccs.: Leight. n. 121; Mudd, n. Kg. 73. Thelotrema lepadinum Aah.—A. Section of apothecium, X 30. B. Theoa and paraphyses, x250. 0. Two spores, x350. The thallus varies somewliat in thiclmess, and at times, especially when growing on holly, is determinate and marked by a narrow, black, hypothalline line. In a young state the apothecia
. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. 514 LICHENACEI. [thblotkema. p. 45.—Lichen lepadinus Ach. Prodr. (1798) p. 30. Lichen in- clmus Eng. Bot. t. 678.—Brit. Eccs.: Leight. n. 121; Mudd, n. Kg. 73. Thelotrema lepadinum Aah.—A. Section of apothecium, X 30. B. Theoa and paraphyses, x250. 0. Two spores, x350. The thallus varies somewliat in thiclmess, and at times, especially when growing on holly, is determinate and marked by a narrow, black, hypothalline line. In a young state the apothecia might be taken for those of a Pertusaria, but when fully developed they are very different in appearance.'* They are usually more or less scattered, but occasionally in old plants become crowded. Hab. On smooth bark of trees from maritime to upland tracts.—Sistr. General and common in England; rarer in Scotland; apparently very rare in Ireland.—B. M.: tJgley and Walthamstow, Essex ; Ightham, Kent; St. Leonard's Forest, Sussex ; New Forest, Hants; Ilsham Walk, Torquay, S. Devon; St. Breock, Cornwall; Bagley Wood, Berks; Bardon Hill, Leicestershire; HoUybush Hill, Malvern, Worcestershire ; Cwm Bychan and Barmouth, Merionethshire; Hafod, Cardiganshire; Haughmond Hill, Church Stretton, and Acton Burnel Hill, Shropshire ; Baysdale, Cleveland, Yorkshire; Teesdale, Durham ; Calder Abbey, Cumberland; Felton Woods, Northumberland. Foot of Ben Lomond, Dumbartonshire; Barcaldine and Appin, Argyleshire; (Jlen Falloch and Loch Katrine, Perthshire; Morrone, Braemar, Aberdeenshire. River- stone, CO. Cork ; Killarney, co. Kerry. scutelliforme Ach. Lich. Univ. (1810) p. 312; Syn. p. 115.—Thallus effuse, thickish, unequal, at times subpulverulent, cream-coloured. Apothecia prominent, somewhat large, crowded,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrat
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectlichens, bookyear1894
