-8- 1534....... arcticum R. Brown Splachnum 133....... arctifolium Tayl. ms Bryum 287....... artocarpum Hornsch. 61....... arcuata Sw. in Schrad. Bartramia 457....... arcuatum (Hook. f. et Wils.) C.M. Eccremidium 724....... arcuatum Hedw. Hypnum 545....... arenaria Hampe Grimmia 102....... argentatum Tayl. ms Brachymenium 134-135.... argenteum Hedw. Bryum 725....... argentonitens Tayl. ms Hypnum 62....... aristata Tayl. 136....... aristiferum Tayl. ms Bryum 589....... ascensconicum Tayl. ms Gymnostomum 726....... asprellum Schwaegr. Hypnum 288....... assimile Hampe Dicranum 546....... atrata Miel. ex Hornsch. Grimmia 727....... atratum Tayl. ms Hypnum 1286....... atratum Tayl. ms Orthotrichum 137....... atropurpureum Wahl. in Web. et Mohr Bryum 1067...... attenuata Hedw. 138....... aubertii (Schwaegr.) Brid. Bryum 728....... aurantiacum Wils. ms Hypnum 729....... auratifolium Tayl. ms Hypnum 1203...... aurea Schwaegr. Neckera 730....... aureo-nitens Hook. ex Schwaegr. Hypnum 1579...... auronitens Gottsche Thysanomitrium 51....... australasiae Hook. et Grev. Tortula 21....... australe Wils. ms Anictangium 253....... australe Sw. 1277...... australe Hook. f. et Wils. Orthodontium 475....... australis Hook. 1590...... austriaca Hedw. Timmia 1330...... axillare Dicks. ex Sm. Phascum 139....... balanoides Tayl. ex Broth. Bryum 590....... barbula Schwaegr. 140....... bartramioides Hook. Bryum 141....... bicolor Dicks. 1580...... bicolor (Wils. ms) Tayl. ms Thysanomitrium 731....... bifarium Hook. Hypnum 732-733.... biforme Tayl. ms Hypnum 142-143.... billardierii Schwaegr. Bryum 289-290.... billardierii Brid. Dicranum 144....... bimum (Brid.) Turn. 1204...... bipinnata Schwaegr. Neckera 734....... blandowii Web. et Mohr. Hypnum 145....... blandum Hook. f. et Wils. Bryum 591....... blandum Hook. et Wils. Gymnostomum 735....... blandum Lyell in Hook. Hypnum 484....... bloxamii Wils. Fissidens