Index 



Rock Andreaea, The, 133 



Rock tripe, The, colour plate XI., 29 



Root-hairs, terminal, 58 



Roots, 69 



definition of, 46 



Ruskin, 4 



Scale-mosses, see Hepatics, leafy, 99 



Schimper, Wilhelm Philipp, 142, 188 



Schimdel, 261 



Schreber, Johann C. D., 76, 136 



Scutellaeform, So 



Schwaegrichen, Christian Friedrich, 76, 198 



Schwendener, 22 



Scytonema, 23, 25 



Seta, 30 



cross-section of, 57 



enlargement under spore-case, 57 



purpose of, 57 



change in position of, 57 



sheath at base, 57 

 Sexual generation, 65 



of ferns, 66 



Shakespeare, n, 12 



Short -leaved Hair-cap, 245 



Silvery Bryum, 222 



"Silver lichen spots," 3 



Slender Catherinea, plate IV., 241 



Hairy-cap, 251 

 Soredia, 24, 82 



Spanish-shield Lichens, see Cctraria, 79 

 Spenser, 1 2 

 Sperm-cells, 39, 40 (cut), 41, 49 



defined, 46 

 Sphaerangium, genus, 133-135 



muticum, 49 (cut), 134 (cuts) 

 sperm-case of, 55 (cut) 



Schimperanum, 134 (cuts) 



Sphagnum, genus, 34, 109-130 



acutifolium, 51 (cut), 118, 119, 121, 122, 

 124 (cuts) 



vertical section of young sporogon- 

 ium, 51 (cut) 



to show development of young 

 spore-case, 53 (cut) 



cuspidatum, 120 (cuts), 123, 126 



sections of archegonia, 47 (cut) 



cymbifolium, n? (cut), 114, 115, 118 

 (cuts), 128, 129 



first or sexual generation, 62 (cut) 



protonema, 63 (cut) 



resemblance to thallophyte, 63 (cut) 



surface view of leaf, 34 (cut) 

 rubcllum, 125 

 squarrosum, 128 



Splachnum, genus, 204-207 

 luteum, 207 



apophysis, 59 (cut) 

 columella, 59 (cut) 

 rubrum, 31 (cut), 206 

 Sporangium, 207 

 of fern, 69 



Spores, 30, 38 (cut) 



defined, 36 



ellipsoid, 80 



exit of, in genus Catliarinea, 56, 57 

 in Polytrichum mosses, 55 



germination of, 38 (cut) 



fern, germinating, 65 



Hepatic, germinating, 65 



how they escape from Polytrichum 

 mosses, 37 



leafy-moss, germinating, 65 



origin of, 51 (cut) 



polar-bilocular, 81 

 Soredia, 82 



Spore-case, borne on side of stem, 31 (cut) 

 borne on summit of pedicel, 31 (cut) 

 cell structure of, 51 

 closed, 5 (cut), 

 columella exposed, 55 (cut) 

 defined, 35 (cut), 36 

 developing in Marchantia, 97 (cut) 

 development of, 49 



illustrated by Sphagnum acuti- 



folitim, 53 (cut) 



favourable positions for obtaining light, 57 

 formation of, 39 

 homologies of, 67 

 immature, 31 

 immersed, 30 (cut) 

 of fern, 68 



opening by a lid, 30 (cut) 

 opening without lid, 30 (cut) 

 rim, origin of, 53 

 situation, 30 

 split in four valves. 9 

 spores falling, 30 

 teeth four, 37 

 teeth in one row, 30 

 in two rows, 30 

 of, in Catharinea, 56 

 wanting, 9 

 thirty-two teeth surrounding an epi- 



phragm, 55 (cut) 

 to show columella, 54 (cut) 

 twisted, 60 (cut) 

 two rows of teeth, 31 (cut) 

 wall, origin of, 53 (cut) 

 with annulus rolling away, 37 

 conical veil, 50 (cut) 

 eight teeth in pairs, 37 (cut) 

 four teeth, 32, 54, (cuts) 

 hairy veil, 32, 50, (cuts) 

 lid, 9, 48 (cut), 52 

 lifted, 48 (cut) 

 short pedicel, 51 

 thirty-two teeth, 57, 122 (cut) 

 veil, 48 (cut), 51 

 without lid, 52, 57 



teeth, 30 



wrinkling of wall to oust spores, 38 

 Spore-sac, 207, 53 

 Sporogonia, 41 

 Sporogonium, 48, 49 

 defined, 49 



producing protonema, 60 

 wall removed, 49 (cut) 

 Sporophyte, 35 

 fern, 68 (cut) 

 Hepatic, 68, 69, (cuts) 

 homologies of, 67 

 moss 68, 69, (cuts) 

 origin of, 39 

 with pores, 72 



Spotted Lungwort, a cure for lung trouble, 20 

 Spread-leaved Sphagnum, plate VII., 128 

 Squamulose, 88 

 Starch, 44 

 Stem, The, 45 



cross section of, 46 (cut), 124 

 producing protonema, 60 

 Stereocaulon ramulosum, 23, 66 

 Sterigmata, 27 (cut) 

 Sticta, genus, 28, 86, 87 

 amplissima, 87 

 pulmoitaria, colour plate XIV, 29, 87 



used for beer, 20 



Stictina juliginosa, 26, 87, (cuts) 

 Stipule, 64 (cut) 

 Stolons, 224 (cut) 

 Stomata, 203 



function of, 72 

 of Funaria, 72 (cut) 

 of Hypnum, 72 (cut) 

 of Marchantia, 72 (cut) 



326 



