INDEX 



449 



Giiango, 308, 30(). See also PitJie- 

 colobiiDii scn/hiii 



Gueriii, P., plants containing prus- 

 sic acid, 235 



Guiana, Leguminosae j'ielding build- 

 ing wood in, 348, 355. 360, 361, 

 362, 368 



Guignard, experiments with phaseo- 

 lunatin, 235 



GitiU(indi7ia geniiiia (shrub), medi- 

 cinal uses, 382 



Guillemin (and others), importance 

 of manioc pea as food plant, 1 1 1 



Gum angico, 332 



• — arable, African, 324, 325 



gum used to adulterate, 327 



— — Indian, 324, 325 



• — export value, 325, 326 



• price of, 325 



uses of, 325 



tree producing, 324 



• true classification for com- 

 mercial purposes, 324 



— formation in plants, theories 



as to, 312 

 ■ — qualities necessary to render it 

 valuable, 313 



— second quality, 328 



— resins, 314 



— Senegal, export from Somali- 



land, 327 



hard and friable kinds, 326 



value of, 326, 327 



— tragacanth, chemical composi- 



tion, 315 

 in white and yellow flakes, 



315 



produced by species of Astra- 

 galus, 315 



soaked in water producing 



mucilage, 316 



Gummiferous plants, season for 

 exuding gum, 312 



Gums, calcined, 311 



— classification of, 311, 312 



— composition and properties in- 



fluenced by climate, 320, 330 



— conditions to be fulfilled by,_ to 



conform with trade require- 

 ments, 313 



— inferior, 328, 32g, 330 



— mixed, behaviour in presence of 



colouring reagents, 312 

 or pseudo-gums, 311, 312 



— proximate constituents of, 311 



— season for extraction from stems, 



313 



— soluble, composition, 311 



— tanniferous or kino gums, 311, 



312 



— true, colouring reactions of, 312 

 or pectosic, 311, 312 



29 



Gun fuses, bark used for making, 



388 

 Gunpowder, charcoal from Butea 



jrondosa used for, 347 

 - — woods used as charcoal for, 347, 



355, 369 



Gyinnocladus dioica (tree), extrac- 

 tion of saponin from seeds, 242 



— poisonous, 242 



H. 



Campcachy wood, 

 from Campeachy 



H/EMATIN from 



341 



Hematoxylin 

 wood, 341 



Hsematoxyloti campechianiim (Cam- 

 peachy wood, logwood), colour- 

 ing matter obtained from, 341 



■ medicinal uses, 382 



wood, quality, uses, density, 



and breaking strain of, 361 



Hematuria, astringent for, 382 



Haemorrhoids, treatment of, plants 

 used in, 375, 376 



Hairs of plants producing albumen, 



34, 35 

 Hardwickui hiiiata (tree), use of 



bark for textile purposes, 389 



valuable as fodder, 2q8 



. wood, durability of, 361 



— Manniij leaves valuable as fod- 



der, 299 



— pinnata (tree), wood, quality and 



uses of, 361 

 Haricot bean, 164 

 chemical composition of Jack 



bean compared with that of, 76 



. . see also Phaseolus vulgaris 



Harrison, Professor, analysis of 



seeds and pods of Pithecolo- 



biuni samaiij 309 

 Hat-making, plants used for, 387, 



389 

 Hawaii, green fodder frorn Bengal 

 bean, chemical analysis, 134 



— results obtained from Jack bean 



at, 83, 84 



— yield of Bengal bean, per hec- 



tare in, 132 

 Hay, use of pea-nut stems as, 69 

 Heat, composition of resins modi- 

 fied by, 314 

 Heckel, analysis of gum produced 



by Acacia dealbata, 329 

 Hedysarum coronarium (Sulla), 127 

 — ■ — chemical composition, 127 



— semoides (herb), medicinal uses, 



374 , . ., 



Hellriegel and Wilfarth, assimila- 

 tion of nitrogen by tubercles of 

 Leguminosse, 27, 28 



