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Lichens of the Whitby Foray
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LICHENS OF THE WHITBY FORAY By H. H. KNIGHT
IN districts by the sea lichens are usually plentiful, and we were disappointed in not seeing more in Mulgrave Woods. The trees were mostly bare, but many of the common species were found. Graphis elegans was rare; the two most noteworthy species were Bacidia incompta and Rhirocarpon alboatrum. A few saxicolous lichens were noticed on walls and stones. By the sea at Sandsend Arthopyrenia litoralis was collected on shells of barnacles, and A. halodytes on rocks. The walls on the way to Arncliffe Wood were well covered with lichens. Among these were Lecanora badia, Lecidea fuscoatra and L. plana, Biatorina lenticularis and Bacidia umbrina. Arncliffe Wood is rocky, and is much better for lichens than Mulgrave. Among the lichens seen here were Lecanora subtartarea and Lecanactis abietina, the latter very abundant, and on rocks Racodium rupestre and Lecidea lucida with Calicium arenarium growing on the thallus. Only a short time was available at Goathland to search for lichens, on account of rain. Here Alectoria jubata was growing on a tree and Evernia furfuracea and Lecidea sanguinaria on walls. On the moorlands the two species of Lecidea, L. granulosa and L. coarctata are common, and the var. glebulosa of the latter was also seen. On walls near Whitby, Opegrapha conjluens is common, and also the two species of Lecanora, L. atra and L. parella. M. = Mulgrave Woods; E. = Egton; A. = Arncliffe Wood; G. = Goathland; W. = neighbourhood of Whitby; S. = Sandsend. L. rugosa Ny!., M. Calicium arenarium Nyl., A. Sphaerophorus globosus Wain., A. L. campestris B. de Lesd., E. Collema cheileum Ach., E., W. L. coilocarpa Nyl., W., G. Peltigera canina Willd., M. L. atra Ach., E., W. Parmelia physodes Ach. L. galactina Ach., M. P. saxatilis Ach. L. varia Ach., M. P. dubia Tayl. L. badia Ach., E. Parmelia fuliginosa Nyl. L. subtartarea Nyl., A. and var. laetevirens Nyl. L. parella Ach., E., W. Cetraria glauca Ach., A. Acarospora fuscata Th. Fr., E., G. Evernia prunastri Ach. Pertusaria faginea Leight. E. furfuracea Mann., G. P. pertusa Dal. Tor. & Sarnth. Ramalina siliquosa A. L. Sm., W. P. dealbata Cromb., E., G. Alectoria jubata Ach., G. P. Wulfenii DC., M. Xanthoria parietina Th. Fr. Crocynia lanuginosa Hue, A. Candelariella vitellina Miill.-Arg., M. Baeomyces rufus DC., M., G. Physcia hispida Tuckerm., M. Cladonia pyxidata Hoffm., W. Lecanora muralis Schaer., E. C. fimbriata Fr. L. subfusca Ach., M. Racodium rupestre Pers., A. M.S.
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18
Transactions Britisb Mycological Society
Lecidea lucida Ach., A. L. coarctata Nyl., M., G. var. glebulosa Cromb., G. L. granulosa Schaer., G. L. parasema Ach., lvl. L. protrusa Fr., E. L. goniophila Schaer., E. L. contigua Fr., E., G. L. plana Ny!., E., G. L. fuscoatra Ach., E. L. sanguinaria Ach., G. Biatorina Griffithii Massa!., M. n lenticularis Koerb., E., W. Bilimbia aromatica latta, w. B. sabuletorum Br. & Rostr., E. W.,
Bacidia incompta Anzi, AI.
D. umbrina Br. & Rostr ., E. Buellia canescens De Not. B. myriocarpa Mudd., M . Rhizocarpon alboatrum Th . Fr., AI. Lecanactis abietina Koerb., A. Opegrapha confiuen s Stir., W. O. varia Pers., M . O. vulgata Ach., M ., A. Graphis eIegans Ach., M ., A. Verrucaria nigrescens Pers., M . Arthopyrenia fallax Arn., A. A. litoralis A. L. Sm ., S. A. halodytes Oliv., S.
LICHENS OF THE WHITBY FORAY By H. H. KNIGHT
IN districts by the sea lichens are usually plentiful, and we were disappointed in not seeing more in Mulgrave Woods. The trees were mostly bare, but many of the common species were found. Graphis elegans was rare; the two most noteworthy species were Bacidia incompta and Rhirocarpon alboatrum. A few saxicolous lichens were noticed on walls and stones. By the sea at Sandsend Arthopyrenia litoralis was collected on shells of barnacles, and A. halodytes on rocks. The walls on the way to Arncliffe Wood were well covered with lichens. Among these were Lecanora badia, Lecidea fuscoatra and L. plana, Biatorina lenticularis and Bacidia umbrina. Arncliffe Wood is rocky, and is much better for lichens than Mulgrave. Among the lichens seen here were Lecanora subtartarea and Lecanactis abietina, the latter very abundant, and on rocks Racodium rupestre and Lecidea lucida with Calicium arenarium growing on the thallus. Only a short time was available at Goathland to search for lichens, on account of rain. Here Alectoria jubata was growing on a tree and Evernia furfuracea and Lecidea sanguinaria on walls. On the moorlands the two species of Lecidea, L. granulosa and L. coarctata are common, and the var. glebulosa of the latter was also seen. On walls near Whitby, Opegrapha conjluens is common, and also the two species of Lecanora, L. atra and L. parella. M. = Mulgrave Woods; E. = Egton; A. = Arncliffe Wood; G. = Goathland; W. = neighbourhood of Whitby; S. = Sandsend. L. rugosa Ny!., M. Calicium arenarium Nyl., A. Sphaerophorus globosus Wain., A. L. campestris B. de Lesd., E. Collema cheileum Ach., E., W. L. coilocarpa Nyl., W., G. Peltigera canina Willd., M. L. atra Ach., E., W. Parmelia physodes Ach. L. galactina Ach., M. P. saxatilis Ach. L. varia Ach., M. P. dubia Tayl. L. badia Ach., E. Parmelia fuliginosa Nyl. L. subtartarea Nyl., A. and var. laetevirens Nyl. L. parella Ach., E., W. Cetraria glauca Ach., A. Acarospora fuscata Th. Fr., E., G. Evernia prunastri Ach. Pertusaria faginea Leight. E. furfuracea Mann., G. P. pertusa Dal. Tor. & Sarnth. Ramalina siliquosa A. L. Sm., W. P. dealbata Cromb., E., G. Alectoria jubata Ach., G. P. Wulfenii DC., M. Xanthoria parietina Th. Fr. Crocynia lanuginosa Hue, A. Candelariella vitellina Miill.-Arg., M. Baeomyces rufus DC., M., G. Physcia hispida Tuckerm., M. Cladonia pyxidata Hoffm., W. Lecanora muralis Schaer., E. C. fimbriata Fr. L. subfusca Ach., M. Racodium rupestre Pers., A. M.S.
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Transactions Britisb Mycological Society
Lecidea lucida Ach., A. L. coarctata Nyl., M., G. var. glebulosa Cromb., G. L. granulosa Schaer., G. L. parasema Ach., lvl. L. protrusa Fr., E. L. goniophila Schaer., E. L. contigua Fr., E., G. L. plana Ny!., E., G. L. fuscoatra Ach., E. L. sanguinaria Ach., G. Biatorina Griffithii Massa!., M. n lenticularis Koerb., E., W. Bilimbia aromatica latta, w. B. sabuletorum Br. & Rostr., E. W.,
Bacidia incompta Anzi, AI.
D. umbrina Br. & Rostr ., E. Buellia canescens De Not. B. myriocarpa Mudd., M . Rhizocarpon alboatrum Th . Fr., AI. Lecanactis abietina Koerb., A. Opegrapha confiuen s Stir., W. O. varia Pers., M . O. vulgata Ach., M ., A. Graphis eIegans Ach., M ., A. Verrucaria nigrescens Pers., M . Arthopyrenia fallax Arn., A. A. litoralis A. L. Sm ., S. A. halodytes Oliv., S.