Vlll 



LIST OF ILLUSTRATIONS. 



WATER HORSETAIL. E^iusetuin Jluviatile 



WATER HORSETAIL. Jiquisetum JI iiviatil,:. Uncolour-.! 



SECTION OF WATER HORSETAIL STEM 



MARSH HORSETAIL. liijuiiettun paliislre 



A FORM OF EQUISETUM LITTORALE 



FORMS OF SHORE HORSETAIL .... 



A MOSS CAPSULE . . . . . 



FRUITING-SPIKE OFLYCOPODIUM 



SPOROPHYLL OF LVCOPODIUM ... 



SPOROPHYLLS OF VARIOUS LYCOPODIUMS 



COMMON CLUBMOSS. Lycopodiuin cla-,',ituin 



LYCOPODIUM CLAVATUM MONOSTACHYON 



STIFF CLUB-MOSS. Lycopodium annotinnin 



LYCOPODIUM ANNOTINUM PUNGENS 



BRANCHLET OF LYCOPODIUM COMPLANATUM 



GROUND-PINE. Lycopodium complanattiin 



BRANCHLET OF LYCOPODIUM COMPLANATUM CHAM/CCYPARISSUS 



LYCOPODIUM COMPLANATUM CHAM/ECYPARISSUS 



GROUND^FIR. Lycopodium alpinum 



BRANCH OF LYCOPODIUM ALPINUM ■ 



SAVIN-LEAVED CLUB-MOSS. Lycofiodiujn sabiiia-foliuin 



BRANCH OF LYCOPODIUM SABIN/CFOLIUM 



LYCOPODIUM SITCHENSE 



BRANCH OF LYCOPODIUM SITCHENSE 



TREE CLUB'MOSS. Lycopodium ohscurum, (In colours) 



TREE CLUB-MOSS. Lycopodium obscurum 



STAG-HORN CLUB-MOSS. Lycopodium cernuttiu 



SHINING CLUB-MOSS. Lycopodium liccidulum 



SPORANGIA OF SHINING CLUB-MOSS 



LYCOPODIUM LUCIDULUM POROPHILUM 



BULBLET OF SHINING CLUB-MOSS 



FIR CLUB-MOSS. Lycopodium selago . 



BOG CLUB-MOSS. Lycopodium inundatuin 



FOX-TAIL CLUB-MOSS. Lycopodiu7u alopecuroides 



LYCOPODIUM ALOPECUROIDES ADPRESSUM 



LYCOPODIUM ALOPECUROIDES ADPRESSUM. (In colours) 



CAROLINA CLUB-MOSS. Lycopodium Caroliuianum 



SYNANGIA OF PSILOTUM 



PSILOTUM TRIQUETRUM 



MEGASPORE OF SELAGINELLA RUPESTRIS 



ROCK SELAGINELLA Sclaginclla rupestris. (In colours) 



SPIKE OF SELAGINELLA 



LEAF OF SELAGINELLA RUPESTRIS 



LEAVES OF A BIMORPHIC SELAGINELLA 



ROCK SELAGINELLA. Sclaginellu rupctrn 



SPIKE OF ROCK SELAGINELLA 



BRANCH OF SELAGINELLA WATSONI 



SAND-BARREN SELAGINELLA. Selaginella arenicola 



SELAGINELLA BIGELOVII 



