46 751............ flavipes Bry. Eur. Barbula 9554-9555.... " Mont. Pottia 11623......... " B.&S. Tortula 12184......... " Hf. & W. Weisia 568............ flavisetum Mitt. Atrichum 4322............ flavisetus Broth. Entodon 8455-8457.... flavo-limbata (CM & Hampe) Jaeg. Papillaria 6446............ flavo-limbatum C.M. Hypopterygium 9907............ flavopallidum Dus. Rhacomitrium 7302............ flavopilosum R. S. Williams Macromitrium 4324............ flavo-virens C.M. Entodon 11542-11543.. " (Bruch) Broth. Tortella 11481......... flavum (C.M.) Fl. Thyridium 11770......... fleischeri Ther. Trachyloma 11892......... Fleischeri Bauer Trichostomum 1136............ flexicaule R. & C. Brachythecium 3591............ " Brid. Dicranum 3889-3893.... " (Schl.) Hpe. Ditrichum 5515............ flexicaulis C.M. Grimmia 8458-8459.... " (Tayl.) Jaeg. Papillaria 4423............ flexicollis (Mitt.) Jaeg. Eriopus 3894-3898.... flexifolium (Hook.) Hpe. Ditrichum 6690............ " C. Muell. Lepidopilum 6794-6796.... " (Sm) Hpe. Leptodontium 4845............ flexifolius Bartr. Fissidens 8804-8816.... flexilis (Hedw.) Jaeg. Pilotrichella 1137............ flexinerve Card. Brachythecium 4847............ flexinervis Mitt. Fissidens 11625......... " Dixon Tortula 3258............ flexipes Card. & Broth. Dicranella 9697............ " (Mitt.) Fl. Pterobryopsis 11817......... Mitt. Trematodon 2416............ flexipilus Dix. Campylopus 11521-11524.. flexiseta (Bruch) Limpr. Timmiella 1649............ flexisetum Mitt. Bryum 1665............ " Mitt. Bryum 3259............ " Dus. Dicranella 1432............ flexuosa (Schwaegr.) C.M. Bruchia 9290............ " Hook. Pohlia 10182-10186.. " (Sull.) C.M. Rhynchostegiopsis 5848............ flexuosum Mitt. Holomitrium 9135............ " (C.M.) Broth. Pogonatum 2417-2424.... flexuosus (Hedw.) Brid. Campylopus 2975-2976.... " (Harv.) Ren. & Card. Cryptoleptodon 4848............ " Ther. Fissidens 1138-1139.... flexiventrosun (C.M.) Jaeg. Brachythecium 8538............ Floerkianum W. & Mohr. Phascum 5104-5114.... floribunda (D.&M.) Fleisch. Floribundaria 7086-7087.... floridana (Aust.) E.G.B. Leucodontopsis 1666............ floridanum Ren. & Card. Bryum 10994-10996.. floridanus Sull. Syrrhopodon 1667............ fluitans Dix. Bryum 3983-3991.... fluitans Warnst. Drepanocladus 4849............ " Dix. Fissidens 11953......... fluviare (Mitt.) Jaeg. Trichosteleum 6039-6040.... fluviatile (Hedw.) Loeske Hygroamblystegium 3780-3783.... foliosum (Hedw.) Mohr Diphyscium 8583-8592.... fontana Brid. Philonotis