G Gleicheniaceæ, [11] Gold and Silver Ferns, [10] Grammitideæ, [10] Great Horsetail, [114] Green Spleenwort, [80] Gymmogramma leptophylla, [10], [100] Gymnosperm, [27] Gymnospermæ, [27]
H Hard Fern, [84] Hard Prickly Shield Fern, [59] Hartstongue, [82] Hay-scented Buckler Fern, [55] Holly Fern, [57] Horsetails, [6], [27], [31], [112] Life histories of, [21] Hymenophyllaceæ, [8], [33] Hymenophyllum, [131] tunbridgensis, [8], [35] unilaterale, [36] Wilsoni, [8], [37]
I Indusium, [8], [14] Interrupted Club Moss, [106] Isoëtaceæ, [12] Isoëtes, [7] hystrix, [108] Isoëtes lacustris, [12], [107]
L Lady Fern, [10], [66], [130] Lanceolate Spleenwort, [74] Lastria æmula, [55] cristatum, [53] fæniscii, [55] filix-mas, [46] montana, [50] recurva, [55] rigidum, [56] Lepidodendraceæ, [12] Lesser Alpine Club Moss, [106] Life histories of Club Mosses, [18] et seq. of Ferns, [3], [13] et seq. of Horsetails, [21] Little Adder’s Tongue, [98] Limestone Polypody, [130] Lomaria spicant, [84] Lycopodiceæ, [12] Lycopodium, [12], [19] alpinum, [105] annotinum, [106] clavatum, [12], [19], [101] inundatum, [19], [30], [104] selago, [19], [103] Lycopodium Powder, [32]
M Maiden Hair, [9], [38], [41] [Maidenhair Spleenwort], [78] Male Fern, [2], [10], [13], [46] Male organs (see [Antheridia]) Malic acid, [18] Marattiaceæ, [11] Marsh Buckler Fern, [49] Marsh Club Moss, [104] Marsh Horsetail, [118] Marsiliaceæ, [12] Megasporangium, [20] Megaspores, [20] Microsporangium, [20] Microspores, [20] Moonwort, [11], [98] Mosses, [1] Mother cells, [15] Mountain Bladder Fern, [64] Mountain Buckler Fern, [50] Mountain Polypody (see [Beech Fern])
N Nephrodium æmulum, [55] cristatum, [52] dilatatum, [54] filix-mas, [10], [13], [46] montana, [50] oreopteris, [50] propinqua, [49] pseudo-mas, [49] rigidum, [56] spinulosum, [53] thelypteris, [49] uliginosa, [54]
O [Oak Fern], [10], [90] Oblong Woodsia, [62] One-sided Filmy Fern, [37] Ophioglosseæ, [11], [96] Ophioglossum lusitanicum, [98] vulgatum, [11], [96] Osmunda regalis, [11], [93] Osmundaceæ, [11], [93], Ovum, [18]
P Parsley Fern, [9], [44] Pepperworts, [12] Phanerogams, [22] Philotaceæ, [12] Pillwort, [2], [7], [12], [109] Pilularia globulifera, [12], [109] Pinnæ, [5] Pinnules, [5] Placenta, [14] Plantago coronopus, [69] Pollen grains, [27] Polypodiaceæ, [9], [10], [86] Polypodies, [86] Polypodium alpestre, [92] calcareum, [91] dryopteris, [10], [90] phegopteris, [10], [89] vulgare, [10], [86] Polystichum aculeatum, [59] angulare, [60] lonchitis, [57] Prickly Buckler Fern, [54] Prothallus, [17] Pseudathryrium alpestre, [92] Pterideæ, [38] Pteridosperms, [24] Pteris aquilina, [9], [38]
R Rachis, [4] Reproduction, vegetative, [3] Reproduction of Ferns, [13] et seq. Rhizocarpeæ, [12] Rhizome, [4] Ribbon Ferns, [38] Rigid Buckler Fern, [56] Roots, [5] Rough Horsetail, [120] [Royal Fern], [11], [93] Rue-leaved Spleen wort, [71] Ruta graveolens, [71]