150 



INDEX 



De Barj' on, io6; and mois- 

 ture, IIS ; aversion of, to 

 towns, ii6 

 Lily fork moss, 76 

 Lime on stems of chara, 91 

 Liverworts, 6, 63 et scq., So ; 



number of species of, 14, Si 

 Lomaria spicaiit, 42 

 LuiUilaria vulgaris, S3 

 Lycopcrdon gemmalum, 134 

 Lycopodium cernmim, Kerner 



and, 50 

 Lycopodium clavalum, 46 

 Lycopodium inundaium, 48 



JL\LE Cells of Male Fern, ^^ 

 Male fern, 28 ; common, 27 ; 



deciduous habit of, 29 ; pro- 



thallus of, 32 

 ^Nfarchantia, S2 

 Slare's tail, 54 

 Marine weeds, 6 



Marsh horsetail, 5S ; spore-bear- 

 ing cones of, 59 

 Jlegaspores, of selaginella, 20, 51 ; 



of azoUa, 61 

 Jlildew, 17 

 Jlinera) salts, fungi and the 



absorption of, 126 

 Milium hoi'iiiiin, 74 

 Moisture, alga; and, 7 ; need of, 



for ferns, 27 

 Moonwort, 40 

 Moi'chella esculiiita, 135 

 Morels, edible, 135 

 JIoss "flowers," 64 

 Mosses, club, 2 ; number of 



species of, 14, 63 et seq. 

 Mushroom gills, 127 

 Mushroom spawn, 127 

 Mushroom, spores of the, 127 

 Mycelium of mushrooms, 127 ; of 



Fomes annosus, 136 

 Myxomj'cetes, 10 



Xeat Feather Moss, 79 

 Ncphrodium plix-mas, 28 

 Xew Forest, L. inundatum in the, 



48 

 New Zealand, tree ferns in, 4, 27 

 Niiella iranslucens, 92 

 Nitophyllums, 103 

 Nostoc, 86 



Odciithcilia deiilala, 103 

 Old man's beard lichen, 11 1 , 119 

 One-sided filmy fern, 44 

 Oospheres of bladder wrack, 100 



Ophioglossum vtilgatum, 41 

 Osmitnda regalis, 40 



Parasites, S ; fungi as, 126 



Parasitic fungi, 136 



Parasitic, lichen on algae, 107 



Parasitism, 114 



Parmelia pliysodcs, 120 



Paymclia ptilveruleiita, 120 



Pea plants, value of bacteria on 

 roots of, 9 



PcU-aepiphylla, 81 



Pcltigera caiiina, 120 



Pczi:a coccinea, 135 



Pezizavesiculosa, 135 



Phosphorescence of rhizomorphs, 

 128 



PhyUoglossum, 5 1 



Physcia payictina, 121 



Pill wort, 61 



Pilularia globulifcra, 61 



Pollen tube in c^-cads, 23 



Poly podium vidi^are, 43 



Polypody, com m on, 43 



Polyporaccce, spore-bearing sur- 

 face of, 131 



Polysiphoiiin, 103 



Polysiphonia elongala, 103 



Polylrichuni, 72 



Polytrichum cotiiiiiunCf 64 



Polytrichum piliferum, 78 



Pond water under the nucro- 

 scope, 86 



Porphyra, 96 



Propagation of bracken fern, 

 36 



Prothalli, of club mosses, 5 ; of 

 horsetails, 5 ; sex character of, 

 5 ; of ferns, 5 ; of azoUa, 60, 61 



ProthaUus, of the selaginella, 20, 

 51 ; of male fern, 32 ; root 

 hairs on the, 32 ; of bracken 

 fern, 36 



Protonema, of common hair 

 moss, 68 ; of leaf-like liver- 

 wort, 82 



Plciis aquiliiia, 34 



Puff bail, common, 134; giant, 

 130, 134 



