INDEX 



363 



Reproduction, 3; asexual, 107; 

 blue-green Algae, 101; red Algae, 

 126; sexual, 107; vegetative 

 multiplication, 101. 



Reservations, forest, 322. 



Resin, 219. 



Kopiration. s7. 



Rhi/oid, HIT. 



Rhi/ome, 03; self-burial, G7. 



Rhodophyceae, 1'Jl. 



Hil, 7. 



Riccia, 172. 



Ricciocarpus, 172. 



Rice, 269. 



Rockweed, 118. 



Root, 71; absorption, 78; air, 82; 

 bast, 74; branch, 7<>; cambium, 

 75; cliniring. M; cuttings. 70; 

 growth, 7<>; diameter increase, 

 75; hair, 71; internal structure. 

 74; phloem, 74; primary, 72; 

 prop, 80; secondary, 72; special 

 forms, 80; tap, 7~; vascular 

 cylinder, 74; water, 80; wood, 

 71; xylem, 74. 



Root-cap, 73. 



Root-cuttings, 70. 



Root-fungus, 159. 



Root-hair, 74, 7v 



Root-pressure, ~v 



Rootstock, 63; self-burial, 67. 



Root-tubercles, 13<i. 



Rosaceae, 286. 



Roses, 286. 



Rosette-habit, 11, 28. 



Rubiaceae, 307. 



Runner, 47. 



Rust, 149. 



Rye, 266. 



Sac Fungi, 146. 

 Sago-palm, 276. 



Salt marsh, 336. 

 Salt meadow, 336. 

 Salt steppe, 344. 



Sand, 77. 



Sand-binder, 339. 



Sap, Meent, -"'7; maple, 58. 



Saprophyte, !_".>. 



Sargassum, 119. 



Sarracenia, 35. 



Scale. I'li. 31. 



Srinn. 60. 



Scouring rush, 198. 



Sea lettuce, 110. 



Seed, absorption of water, 80; 



Aniriosperiu, '-37; conifer, 217; 



disper.-al. -J.Vi; germination, 84, 



218; structure. B4. 

 Seed-dispersal, L'55; air. -J. r .7: 



animals. L'C.O; discharge, 255; 



\\ ater, 259. 

 Selaginella, 203. 



Select!..!.. 818. 



Self-burial, 07. 



Self-pollination, 243. 



Sensitive plant, 30. 



Sepal, 221. 



Sequoia. 211, 219. 



Shaddock, 299. 



Shade-plant. 320. 



Shoot, 41. 



Sieve plate, 53. 



Sieve vessel, 53. 



Siphon forms, 110. 



Societies, 324. 



Soil, 77. 



Solanaoesp, 304. 



Sorus, 191. 



Species, 203. 



Sperm, Angiosperm, 235; conifer, 

 Jill; cycad, 211; fern, 194; 

 liverwort, 109; moss, 177; CEdo- 

 gonium, 110; red Algae, 120. 



