. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. COlLEMAi] , COLLEMEI. 57 the gonimia being not moniliform but glomeruloso-congested. The apo- thecia are usually scattered over the whole thallus almost to the apices of the laciuise. Hah. On shady calcareous rocks and walls iu maritime and upland districts.—Bistr. Sparingly here and there in Great Britain, S. and W. Ireland.—B. M.: Mendip Hills and near Yatton, Somersetshire; Dovedale and Buxton, Derbyshire ; Oswestry, Shropshire ; Nant Glyn, Denbigh- shire


. A monograph of lichens found in Britain; being a descriptive catalogue of the species in the herbarium of the British Museum. Lichens. COlLEMAi] , COLLEMEI. 57 the gonimia being not moniliform but glomeruloso-congested. The apo- thecia are usually scattered over the whole thallus almost to the apices of the laciuise. Hah. On shady calcareous rocks and walls iu maritime and upland districts.—Bistr. Sparingly here and there in Great Britain, S. and W. Ireland.—B. M.: Mendip Hills and near Yatton, Somersetshire; Dovedale and Buxton, Derbyshire ; Oswestry, Shropshire ; Nant Glyn, Denbigh- shire ; Settle, "Yorkshire; Teesdale, Durham; Haversham Head and Cunswick Scar, Westmoreland; Lamplugh, Cumberland. Achosragan Hill, Appin, and island of Lismore, Argyleshire; shores of Loch Tay and Ben Lawers, Perthshire. Middleton, near Cork; Kenmare and O'Dono- ghue's Prison, Killarney, co. Kerry; Kylemore, co. Galway. 25. C. isidioides Nyl. ex Am. Flora, 187Q, p. 232.—Thallus granuloBO-aggregate (isidioid), blackish, in subpulvinate glomeruli. Apothecia and spermogones unknown.—Nyl. Elora, 1883, p. 98; Cromb. Journ. Bot. 1885, p. 195. The place of this species in the genus is uncertain in the absence of fructification. Detected by Arnold in the Bavarian Alps, Nylander observes that the " thallus consists of a congeries of syngonimia (sub- globose or oblongo-diiibrm), with the filaments often ; Hah. On calcareous rocto in mountainous districts.—Distr. Gathered only in England (Warton Craig, Westmoreland). 15. COLLEMODIUM: Nyl. ex Lamy, _ Bull. Soc. Bot. Fr. t. XXV. (1878) p. 341; Nyl. Flora, 1875 (lit subgenus).—Thallus small or submoderate, variously lobed or subfruticulose; corti- ™ ,=, ^«. ^„ ,» „ cal layer somewhat *®^i®||®i®® CPQ? distinct; gonimia ' a^ ~ more or less scattered, partly moniliform. Apothecia urceolate, lecanorine, rarely bi- atorine; spores Snae, ovoid or ellipsoid, Fig. 14. colourless, variously CoUemodi


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectlichens, bookyear1894