Mosses and Lichens 



PART III 



PACK 



LIVERWORTS OR HEPATICS 



Ribbon-like or Thalloid Hepatics . . . 93 



Marcloantia polymorpha 93 



Names of parts 95 



Description of development 95 



Leafy Hepatics, Scale Mosses and Foliose Hepatics 99 



Porella platypbylla 99 



Names of parts 99 



Genus Porella 100 



Porella platypbylla 101 



Genus Frullania 102 



Frullania eboracensis 103 



Genus Ptilidium 104 



Ptilidium ciliare 104 



Genus Bazzania 150 



Bahama irildbaia 106 



PART IV 



LEAFY-MOSSES 



Genus Sphagnum 109 



The method by which Peat-mosses encroach 



upon water to form land 109 



The pale tint of Peat-mosses 116 



The method by which Peat-mosses absorb water 1 16 



The development of organs 119 



Synopsis of Genus Sphagnum 1 22 



Sphagnum acuti folium 123 



" molle 123 



" subsecundum 124 



rubellum . . . . . . .125 



cuspidatum 126 



squarrosum 128 



cymbifolium 128 



Genus Andreaea 130 



Andrecea petropbila 132 



" rupestris 133 



Genus Sphaerangium 133 



Spbarangium muticum 134 



Genus Phascum 135 



Pbascum cuspidatum 136 



x 



