Mosses and Lichens 



PAGE 



V. LEAFY-MOSSES 



Sporophytes in general 30 



Sporophyte of Hairy-cap in detail . . -35 



How spores escape from a spore-case ... 37 



How a spore becomes a leafy-moss ... 38 



How a spore-case is formed .... 39 

 How a Hairy-cap procures a maximum amount 



of light 42 



How a Hairy-cap avoids too strong light . 43 



Garnetophyte .... 43 



Leaves in general . . .43 



Leaves of Hairy-caps . . . 44 

 Stem ... .45 



Antheridia ... . . 46 



Archegonia ... ... 47 



Development of a sporogonium .... 49 



Veil or calyptra . . ... 50 



Spore-case . . . 51 



Lid or operculum . . . 51 



Teeth or peristome . . 53 



Teeth of Polytrichum Mosses . 55 

 Pedicel or seta .... -57 



Asexual reproduction. Protonema from spores, 

 rhizoids, cellular bodies, sporogonium, leaves, 



stems, gemmae 59 



VI. THE POSITION OF HEPATICS AND MOSSES IN THE 

 PLANT-KINGDOM AS SHOWN BY A COMPARISON OF 



HOMOLOGOUS PARTS ... . . . 61 



VII. THE HERBARIUM 



How to collect Hepatics, Mosses and Lichens . 73 



How to preserve Hepatics, Mosses and Lichens . 73 



How to study Hepatics, Mosses and Lichens . 73 



with the naked eye 73 



with a lens . . . . . . 74 



How to dissect Hepatics, Mosses and Lichens . 74 



with a compound microscope ... 74 



NOMENCLATURE .... ..... 75 



ABBREVIATIONS OF AUTHORITIES . . . . ' . 75 



viii 



