INDEX AND GLOSSARY 



169 



Lycopodium Selago, a common 

 Club Moss, 60, (Fig. 12) 61, 

 62 



Lyme grass (Elymus arenarius), 

 137, 144 



Magnolia, 66 



Maiden-hair Tree (Ginkgo biloba), 

 80 



Male cell, 69 



Male Fern (Nephrodium filix- 

 mas), 31, 35, 59, 60, and 

 Figs. 5, 6, 7 



Mammoth Trees (Sequoia), 88 



Marattia, an ancient genus of 

 Ferns, 107 



Marram Grass (Ammophila arun- 

 dinacea), 124, (Fig. 23) 133, 

 134, (Fig. 24) 137, 144, 147 



Maviston, (Fig. 25) 141, (Fig. 26) 

 143 



Maxillaria, a genus of Orchi- 

 daceae, 106 



Memorised records, 120 



Metamorphosis, 49, 54, 63 



Mice, 116 



Micro-zoospores, small free cells 

 of certain Algae, motile in 

 water, but not sexual, 20, 21 



Mimosa, the Sensitive Plant, 

 movements of, 82 



Molecular movement, such move- 

 ments as are not in mass, but 

 molecule by molecule, 82 



Monkshood (Aconitum), 93, 116 



Monostroma, a genus of green 

 Algae, 18 



Moray Firth, 138 



Moss, 45, 140, 156 



Moulds, productivity of, 107, 114 



Mouse-ear (Hieracium pilosella), 

 140 



Movement, 82, 156 



Miiller, H., 68, 92 

 Mutations, 119 



Name, specific, 4 

 Natural selection, 118 

 Nephrodium filix-mas (common 



Male Fern), 31, 35, 59, 60, and 



Figs. 5, 6, 7 

 Nucellus, the central body of the 



ovule in Seed Plants ; it is 



covered by the integuments 



and encloses the embryo-sac, 



72, (Fig. 15) 73 

 Nucleus, a clearly defined and 



highly refractive part of the 



protoplasm of the cell, 18, 72, 



(Fig. 18) 85 

 Nutrition, method of, 83, 88; 



precedes propagation, 50 



Orache (Atriplex), 129 



Orchids, 51, 67, 106 



Orchis, 70 



Orchis maculata (common spotted 



Orchis), 106 

 Osmunda regalis (Royal Fern), 



60 

 Ovary, the part of the flower 



which contains and protects 



the ovules, 72, (Fig. 15) 73 

 Ovule, the body which developes 



into the seed after fertilisation, 



52, 53, 72, (Fig. 15) 73 

 Ovum, the female cell, 42, (Fig. 9) 



43,72 



Parenchymatous cell, a cell 

 usually thin-walled, with liv- 

 ing protoplasm, approximately 

 cubical or oblong, (Fig. 18) 85 



Pea, 51 



Pelvetia, a genus of Brown Sea- 

 weeds, 16 



