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 BOTANY Dicranum Bonjeani, var. calcareum, Braith. Leucobryum glaucum, Schp. Fissidens pusillus, Wils. Box Hill. F. in- curvus, Starke ; F. adiantoides, var. 8 collinus, Mitt. ; F. decipiens, De Not Grimmia apocarpa, Hedw. Not common Acaulon muticum. Frequent Pottia minutula, Furnr. ; P. lanceolata, C.M. ; Tortula marginata, Spr. ; T. mutica, Ldb. Barbula cylindrica, Schp. ; B. vinealis, Brid. ; B. sinuosa, Braith. Weisia microstoma, C.M. ; W. tortilis. Box Hill, etc. Trichostomum crispulum, Bruch. Box Hill. T. mutabile, Bruch. Box Hill tortuosum, Dixon. Box Hill, where it becomes detached and rolling over forms a number of small completely spherical masses Pleurochaete squarrosa, Ldb. North slopes of Box Hill Cinclidotus Brebissoni, Husn. c. fr. ; Enca- lypta Streptocarpa, Hedw. Zygodon Stirtoni, Schp. Walls, frequent Orthotrichum leiocarpum, B. & S. ; O. affine, var. 8 rivale, Wils. Sprucei, Mont. Trees by the Mole Ephemerum serratum, var. /8 angustifolium, B. &S. Physcomitrium pyriforme, Brid. Mnium undulatum, L. Common, and fruit- ing freely in Norbury Park stellare, Reich. ; M. punctatum, L. Cryphaea heteromalla, Mohr. ; Neckera crispa, var. falcata, Boul. Box Hill pumila, Hedw. c. fr. ; N. complanata ; Homalia trichomanoides, Brid. Leucodon sciuroides, Schwgr. ; Porotrichum alopecurum, Mitt. ; Leskea polycarpa, Ehrh. Anomodon viticulosus, H. & T. c. fr. ; Thui- dium hystricosum, Mitt. recognitum, Ldb. Abundant on the north slopes of the downs Cylindrothecium concinnum, Schp. ; Campto- thecium lutescens, B. & S. Brachythecium glareosum, B. & S. ; B. rivu- lare, B. & S. caespitosum, Dixon ; B. illecebrum, De Not Eurhynchium piliferum, B. & S. Fruiting on Box Hill. E. crassinervium, B. & S. c. fr. ; E. pumilum, Schp. c. fr. ; E. tenellum, var. scabrellum, Dixon circinatum, B. & S. Norbury Park Plagiothecium depressum, Dixon. c. fr. ; Amblystegium irriguum, B. & S. Hypnum riparium ; H. stellatum, var. /8 pro- tensum, B. & S. ; H. chrysophyllum, Brid. ; H. imponens, Hedw. ; H. Som- merfeltii, Myr. Patientiae, Ldb. Not common, sandy places on Box Hill. H. molluscum, Hedw. c. fr. ; H. stramineum, Dicks Hylocomium loreum, B. & S. ; H. squarrosum, B. & S. (Box Hill. c. fr.) triquetrum, B. & S. (Norbury Park. c. fr.) 6. NORTHERN STREAMS. The north-east section of the county, drained by three small rivers, consists of chalk hills in the south-east, and more or less flat country of London clay stretching away to the Thames. Near Croydon are some elevated commons of the Oldhaven series. 6A. Sphagnum cymbifolium, Ehrh. et var. ft squarrosulum, N. & H. ; S. subse- cundum, Nees. et var. B contortum, Schp. ; S. acutifolium, Ehrh. ; S. in- termedium, Hoff. ; S.cuspidatum,Ehrh. Pleuridium axillare, Ldb. ; P. alternifolium, Rab. 6u. Campylopus fragilis, B. & S. ; Fissidens exilis, Hedw. ; F. viridulus, var. Lylei, Wils. ; F. pusillus, Wils. ; F. crassipes, Wils. Kew. Acaulon muticum, C. M. Phascum cuspidatum, var. Schreberianum, Brid. Kew. Cinclidotus fontinaloides, P. Beauv. Funaria fascicularis, Schp. Kew Bryum atropurpureum, W. & M. ; Mnium affine, Bland. Kew 55 Brachythecium illecebrum, De Not ; Am- blystegium varium, Ldb. Kew Amblystegium Kochii, B. & S. Riverside, Kew Hypnum elodes, Spr. Kew. H.'palustre, L. Campylopus subulatus, Schp. Addington Hills ; dry stony ground brevipilus, B. & S. ; Phascum curvi- colle, Ehrh. ; Leptodontiumflexifolium, Hpe. Orthotrichum Sprucei, Mont. ; Epheme- rum recurvifolium, Ldb. Near Croy- don. Thuidium hystricosum, Mitt. ; Plagiothecium undulatum, B. & S. ; H. Sommerfeltii, Myr. ; H. gigan- teum, Schp. Pool on Mitcham Common