562 INDEX. 
PAGE PAGE 
Prane, THE WeEsTERN— Plants — 
rapidity of one 370-1 in the arctic regions. 9 
uses . . 375 in the bowels of the 
venation . 373 earth 9 
wood ; 375 in the ocean 9 
Plant cells, Shape of 53 on icebergs 9 
Planting, A passion for Tree. 285 on rocks and stones . 9 
out the sight of onsnow . l 9 
houses . 284. penetrate areuymene 9 
Plants are endowed with — raw materials of 51 
terious vitality . . . 9 temperature of . 49, 50 
as blights. 9 | Pratanus oecidentalis 870-7 
as moulds ‘ 9 culture 370-2, 376-7 
beautiful structures description 370-7 
of : 50 flowers 373 
beauty and fees ance fruit. . 373 
of .. . 48 leaves 870, 378, 375 
breathe . : 49 uses . 3875 
chemical proportion venation . 373 
of. : . 48, 50, 51 wood . 3875 
composition of . 49 | Pratanus orientalis 378-81 
contain calcium . 50 culture 378, 380 
carbon . . ol description 378-81 
hydrogen . 51 fruit . 379 
iron . 60 leaves ; 379-80 
nitrogen 50 | Plate 1 ee 291 
oxygen . OL 2 346 
phosphorus. 50 3. 365 
potash . . 50 4, 403 
soda. . 60 5 444. 
sulphur . 60 6 497 
drink . 3 . 49 2. 513 
growth of. : . 49 8. : : z 522 
habits of . 5 . 62 | Plumule, Definition of . 24. 
im mines . x 9 growth of 37, 34, 40, 68 
interesting diinctines self-supplying fune- 
of . ‘ ‘ . 47 tions of 38 
in the air . ‘ 9 | Poor-rates saved by Trees 263 
