INDEX 



439 



Arachis hypogaui (ground- or pea- 

 nut), amount of oil in seeds, 



57 



• ash, percentage m composi- 

 tion, 63 



■ composition, 56, 57 



■ — average for various coun- 

 tries, 57 



percentage, 59 



conditions essential for good 



green-manuring or fruit crop, 

 65, 66 



crop fertilizing matters with- 

 drawn from soil by, 58, 59 



cultivation of, 50 



• — as main crop, 50, 51 



as subsidiary crop, 51, 52, 



by sugar-cane growers, 6g 



chief centres for, 69 



• — climate suitable for, 51 



purposes of, 60 



■ — soils suitable for, 50 



description, 49 



dry matter, composition, 61 



— ■ mineral content, 63 



fatty matters, 57, 58 



geographical distribution, 49 



harvesting of crop, 53 



Mauritian variety, 48 



nutritive elements, propor- 

 tion of, 60 



oil produced from, 48 



origin of, 47 



products, 66 



— — season of maturity, 53 

 seeds of, chemical contents, 



65 



-oil extracted from, 66, 67 



sowing of, method, 52 



— ■ — spread by agency of Magellan 



Expedition, 48 



starch in, characters, 249 



■ grains in, 252 



— — ■ stems and leaves of, composi- 



tion, 61, 65 

 content in water and nitro- 

 gen, 65 



— - — — used as hay, 6q 



substances manufactured 



from, 66 



total harvest, composition, 64 



used in manufacture of choco- 

 late, 66 



uses of, 66 



value as green manure, 51, 69 



■ weight and number of seeds 



per pod, 56 



yield, 54 



■ — influence of methods of 



cultivation on, 55, 56 



— on sugar plantations, 56 



varieties, 54 



Asia, Western, green pea native of, 



medicinal 



tree 



135 



AsfalatJiits arhorea 

 uses, 371 



Asthma, treatment of, plants used 

 in, 375, 378 



Astragalus heratensis , gum, var- 

 nish made from, 315 



— species of, producing gum traga- 



canth, 315 



^ all shrubs should 



not be tapped at once, 315 



— (under-shrub), dangerous, 240 



— valuable as fodder, 281 

 Astringents, plants used as, 383, 384 

 Astroniiim fraxinifoluivi (tree), 



wood, ciuality and uses of, 361 

 Atwater, absorption of atmospheric 



nitrogen by Leguminosa?, 15 

 Australia, commercial value of bark 



used for tanning in, 335 



— cultivation of cowpea in, 215 



— food value of Phaseolus miingo 



in, 150 



— gum-producing acacias of, 329, 

 .330 . . ■ 



— interior of, species of acacia used 



as fodder in, 299 



— Leguminosse used as building 



wood in, 364, 36s 



Avere. See Dolichos lablab (Bona- 

 vis bean) 



Azotohacter cJiroococcum, effect of 

 sugar on, 42, 43 



— - — fixation of nitrogen by, 46 



Azotobacters, assimilation of ni- 

 trates by, 4-2 



B. 



Bacillus radicola, assimilation of 



nitrates by, 42 

 Bacteria belonging to Leguminosae, 



" calcophile "' and " calco- 



phobe," 41 

 conversion of soluble into 



insoluble nitrogen by, 41 

 • — • formation of races, 41 



— fixation of atmospheric nitrogen 



by, 26, 27 



— in root nodules of Leguminosae, 



21 



living at first at ex- 

 pense of plant, 40 



mode of entrance, 2>1 



secretion of viscous 



matter, 37, 40 



■ — transformation into 



bacteroids, 38, 39, 40 



ultimate fate of, 40 



virulence, 39 



— influence on formation of root 



nodules of Leguminosae, 28, 29 



