INDEX 



Adder's Tongue fern, 41 



Agarics, 1 30 ; spore production 

 of, 142 ; parasitic on grass, 144 



Agayicus campcstris, 130 



Algte, 6 ; and moisture, 7 ; 

 methods of reproduction of, 7 ; 

 in Arctic Circle, 15; in hot 

 springs at Carlsbad, 16 ; chlo- 

 rophyll in, 87 ; process of re- 

 production of, 88 ; and lichen, 

 partnership between, 107 ; in 

 the air, log 



Amanita musoaria, 131 



America, bracken in, 28 



Anthcridia of male fern, 33 ; of 

 common liair moss, 65 



Antheridium of the selaginella, 20 



Apple mosses, 75 



Archegouiaof the selaginella, 21 ; 

 of male fern, 33 ; of common 

 hair moss, 65 



Arctic Circle, lichens and alg^^ in, 



15 

 Arctic Ocean, seaweeds in, 15 

 Armillaria mellca, 128 

 Ascomycetes, 129, 134 

 Asia, bracken in, 28 

 Asplenium adiantum nigrum, 37 

 Asplenium ceterach, 38 

 Asplenium ruta muraria, 37 

 Athryium filix-fcemina, 37 

 Atmospheric moisture, lichens' 



dependence on, 114 

 Australian club moss, 51 

 AzoUa, 22 ; megaspores of the, 



61 ; microspores of the, 61 ; 



prothalli of, 61 

 Azolla caroliniana, 60 



Bacteria, 9 ; value of, on roots 

 of pea and bean plants, 9 ; and 

 decomposition of decaying 



matter, 10 ; number of species, 

 of, 14 



Barbery leaves, wheat rust on, 1 8 



Basidiomycctes, 129 



Batrachospermum, 89, 93 



Bay brown boletus, 131 



Bean plants, value of bacteria on 

 roots of, 9 



Bennettitcce, 22 ; once regarded 

 as ferns, 26 



Besom fungus, 132 



Black niaicieuhair spleenwort, 37 



Bladder elf cup, 135 



Bladder wrack, 99 ; reproduc- 

 tive organs of, 99 



Blunt-leaved bog moss, 73 



Boletus badius, 131 



Boletus, bay brown, 131 



Botrychium lunaria, 40 



Bracken fern, 27, 34 



Bristle-leaved hair moss, 78 



Brood bodies, 69 ; of March- 

 antia, 82; of Evernia, 119 



Broom fork mosses, 76 



Brown seaweeds, 94 



Bryum afgenteum, 74 



Bryum capillarc, 74 



Bulbils of the club moss, 52 



Callithainnium plumula, 103 

 Callithamniums, The, 103 

 Calvatia gigantea, 134 

 Cantharellus ciharius, 131 

 Capsule of common hair moss, 67 

 Carlsbad, algae in hot springs at, 



16 

 Caterpillar fungus, 135 

 Catheyina undiUata, 78 

 "Cauliflower" fungi, 133 

 Chantarelle, 131 

 Chara, common, 90 

 Chara, lime on stems of, 91 



147 



