" _acetosa_--Sorrel.

" _acetosella_--Sheep's sorrel.

_Oxyria reniformis_--Mountain sorrel.

_Empetrum nigrum_--Crow-berry.

_Mercurialis perennis_--Mercury.

_Euphorbia helioscopia_--Sun-spurge.

" _peplus_--Petty-spurge.

_Callitriche verna_--Springwater starwort.

_Urtica dioica_--Common nettle.

_Ulmus montana_--Wych elm.

_Myrica gale_--Sweet gale; bog-myrtle.

_Betula alba_--White birch.

" _nana_--Dwarf birch.

_Alnus glutinosa_--Alder.

_Salix pentandra_--Sweet willow.

" _alba_--White willow.

" _angustifolia_--Little tree-willow.

" _ambigua_--Ambiguous willow.

" _reticulata_--Net-leaved willow.

" _viminalis_--Common osier.

" _cinerea_--Grey sallow.

" _caprea_--Great sallow.

" _nigricans_--Dark-leaved willow.

" _herbacea_--Dwarf willow.

_Populus tremula_--Aspen.

_Quercus robur_, or _pedunculata_--Oak.

_Corylus avellana_--Hazel.

_Pinus sylvestris_--Scotch fir.

_Juniperus communis_--Juniper.

" _nana_--Dwarf juniper.

_Orchis maculata_--Spotted orchis.

_Gymnadenia conopsea_--Fragrant orchis.

_Habenaria albida_--Small white orchis.

" _chlorantha_--b.u.t.terfly orchis.

" _bifolia_--Smaller b.u.t.terfly orchis.

_Herminium monorchis_--Green musk orchis.

_Listera ovata_--Tway-blade.

_Epipactis ensifolia_--Narrow-leaved h.e.l.leborine.

_Iris pseud-acorus_--Yellow iris.

_Hyacinthus non-scriptus_--Wild hyacinth.

_Allium oleraceum_--Wild garlic.

" _ursinum_--Ramsons.

_Tofieldia pal.u.s.tris_--Scottish asphodel.

_Narthecium ossifragum_--Bog asphodel.

_Juncus conglomeratus_--Common rush.

" _lamprocarpus_, or _articulatus_--Jointed rush.

" _triglumis_--Three-flowered rush.

_Luzula sylvatica_--Great hairy-rush.

" _spicata_--Spiked hairy-rush.

_Triglochin pal.u.s.tre_--Arrow-gra.s.s.

" _maritimum_--Sea-side arrow-gra.s.s.

_Potamogeton natans_--Broad-leaved pond-weed.

" _lucens_--Shining pond-weed.

" _oblongus_--Oblong-leaved pond-weed.

_Eriophorum v.a.g.i.n.atum_--Hare's-tail cotton-gra.s.s.

" _angustifolium_--Common cotton-gra.s.s.

_Equisetum arvense_--Field horse-tail.

" _sylvatic.u.m_--Wood horse-tail.

" _limosum_--Smooth horse-tail.

" _pal.u.s.tre_--Marsh horse-tail.

_Polypodium vulgare_--Common polypody.

" _phegopteris_--Mountain polypody; beech fern.

" _dryopteris_--Tender three-branched polypody; oak fern.

_Lastrea oreopteris_--Sweet mountain fern; mountain buckler fern.

" _filix-mas_--Male fern.

" _spinulosa_--Narrow p.r.i.c.kly-toothed buckler fern.

" _dilatata_--Broad p.r.i.c.kly-toothed buckler fern.

_Polystichum lonchitis_--Holly fern.

" _lobatum_--Close-leaved p.r.i.c.kly shield-fern.

_Cystopteris fragilis_--Brittle bladder fern.

_Athyrium filix-fmina_--Lady fern.

_Asplenium adiantum-nigrum_--Black spleenwort.

" _trichomanes_--Common wall spleenwort.

" _viride_--Green spleenwort.

" _marinum_--Sea spleenwort.

" _ruta-muraria_--Wall rue.

" _septentrionale_--Forked spleenwort.

_Scolopendrium vulgare_--Common hart's-tongue.

_Blechnum boreale_--Hard fern.

_Pteris aquilina_--Common brake.

_Hymenophyllum Wilsoni_--Scottish filmy fern.

_Osmunda regalis_--Royal or flowering fern.

_Botrychium lunaria_--Moonwort.

_Ophioglossum vulgatum_--Common adder's tongue.

_Lycopodium clavatum_--Common club-moss.

" _annotinum_--Interrupted club-moss.

" _alpinum_--Savin-leaved club-moss.

" _selago_--Fir club-moss.

Chapter VIII.

Sh.e.l.lS OF GAIRLOCH.

By the REV. JOHN M'MURTRIE, M.A.

The following article appeared in _Good Words_ in August 1883, and is generously contributed to this work by the author, the Rev. John M'Murtrie, lately minister of St Bernard's Church, Edinburgh, and now convener of the Foreign Mission Committee of the General a.s.sembly of the Church of Scotland. Mr M'Murtrie has kindly added an appendix containing a list of sh.e.l.ls, prepared by him expressly for this book. The article, which is inserted here with the consent of the Rev. Donald Macleod, D.D., editor of _Good Words_, is ent.i.tled--