426 



Paaama Canal and French West Indies, 

 12. 



— — and St. Thomas, 44. 



— - — Zone, agriculture in, 203. 



— disease of bananas, 126, 142. 

 — , exports from, 44. 



■ — , trade of, 325 



Panay and Negros. sugar crop of, 60. 



Panela, 284. 



Papaw plant, flowers of, 9. 



Paper-making from bamboos, 393. 



Papua, oil discovery in, 236. 



— , plant protection in, 18.5. 



Para, cacao exports from, 188. 



— , encouragement of rubber cultivation 



in, 59. 

 • — , rubber exports from, 332. 



— — in Uganda, 158. 



— — .seed oil, 61. 



— — seeds, germination of, 53. 



— — — in St. Vincent, 12 

 , vitality of, 91, 16.5, 207. 



— — — , weight of, 31. 



— — , spots on, 62. 



— — trees, weight of seeds, 31. 

 Parthenium argentatum, 233. 

 Pasteurization of milk, 238. 

 Pastures, causes of fertility in, 257. 

 Pearl, Japan 'culture', 361. 

 Pearson, H. C, 184, 275 

 Pedilanthus pavonis, 73, 199. 

 Pellagra. 339. 



Peltostigma pteleoides, 123. 

 Pencil cedar, 31. 

 Pennisetum purpureum, 391. 



— typhoideum, 263 



Permanent Exhibition Committee, Domi- 

 nica, 60. 

 Persen gratissima, 357. 

 'Peru, rubber in, 220. 

 — , — yielding plants from, 87. 

 iPhaseolus spp., toxins in seeds, 63. 



— lunatus, 147, 164. 

 ■ — Mungo, 347. 



— vulgaris, effects of manures on, 104. 

 iPhilippines, coconut pest in, 346. 

 ^ , copra in, 23. 

 — , mango pests in, 106 

 — , sugar crop of, 19, 124, 204. 365. 

 — , — factories in, 268. 

 --, — in, 19, 365. 

 Phit-nix spp ,213. 

 Phonolith, 220. 



Phosphate, rock availability of, 231. 

 Phosphoric acid content of leaves, 188 

 Phosphorus content of plants, 345. 



— in nutrition, necessity for, 55. 

 Phylliixera, control of, 140. 

 Phyttlephas macrocarpa, 188. 

 Phytoptus oleivorus, rust mite, 26. 

 Pimento on the London market, 1 5, 63, 



79, 111, 159, 17.5, 223, 287, 319. 

 Pineapple industry in Hawaii, 348. 

 Pirosoma bigeminum, 95. 

 Plant cells, assimilation of nitrates in, 



409. 



Plant disease control, literature of, 349. 

 Plant diseases : — 



Avocado anthracnose, 334. 



— black spot, 334 



Bacillus coli and bud rot, 94, 110, 414 



— musae and Mrkodisea-e, 142, 415. 

 Bacterium tuineracitns and crown gall, 



318, 415. 

 Banana diseases in .Jamaica. 327. 



— Moko disease, Ba'-iilus musae, 142, 

 41.5. 



Bananas, Panama dista-e of, 126, 142, 



415. 

 Black blight in ( irenada, 233 



— root disease, llosellinia bunodes, 

 270, 338, 415. 



Botryodiplodia elasticae, 158 



Bread fruit, disease of, 334 



Brown root disease, Hymenochaete '< 



noxia, 158. 

 Bud rot of palms, 94, 110, 238, 411. 

 Cacao canker, Phytophthora Faberi, 



30, 174. 



— die-back, Tlivridaria tarda, 30, 158, 

 338, 339, .3.50, 414 



— horse-hair blight, Marasmius equi- 

 crinis, 30 



• — pink disease, Corticium lilacino- 

 fuscum, 158. 



— pod black rot, Phytophthora Faberi, 

 30. 



— .seedling disease, 167. 



— thread blight, 30. 

 Castilloa, Bosellinia sp. on, 30. 

 Cercospora personata, ground nut leaf 



spot, 31. 



— vaginae, sugar-cane red spot, 382, 

 414. 



Citrus exanthema, 222, 414. 

 — , gummosis, 206, 414. 



— knot, Sphaeropsis tumefaciens, 

 3.50, 414. 



— squamosis, 222, 414. 

 Coco-nut diseases in Tobago, 398, 411. 



— palm bud rot, 94, 110. 

 Colletotrichum falcatuni, sugar cane 



red rot, 30,78, 382, 414. 

 - — gloeosporioides, 334. 



— gossypii, cotton anthracnose, 30. 



— lineola, 382. 

 Corticium laeve, pink disease, 167. 



— lil•^clno-fuscum, caoao pink disease, 

 158. 



— salmonicolor, pink disease, 158. 

 Cotton angular leaf .spot, 30. 



— anthracnose, Colletotrichum gos- 

 sypii, 30 



— bacterial boll disease, 30. 



— black arm, 30. 



— boll soft rot, 30. 



— leaf mildew, 30. 

 Crown gall. Bacterium tumefaciens in, 



318, 415 

 Diplodia cacaoicola, 1 58. 

 ■ — natalensis, 350. 



— rapax, 158. 



Plant diseases {Continued): — 

 Exanthema of citrus, 222, 414. 

 Fomes semitostus, 158, 185, 338. 

 Ginger, soft rot of, Pythium gracile, 



46, 415 

 Cloeosporiuru mangiferae, mango black 



spot or (inthracnose, 334. 

 Gnomoni-i iliau, iliau, 366, 414. 

 Ground nut leaf rust, Uredo arachidia, 



14, 31. 415 



— — leaf spot, Cercospora persona- 

 ta, 31 



— — root disease 31. 

 Gummosis of prunus and citrus, 206, 



414. 



Hevea seedlings, disease of, 30. 



Hymenochaete noxia, brown root dis- 

 ease. 158. 



Iliau, Gnoraonia iliau, 366, 414. 



Immortel canker, 174, 415. 



Leptospora musae and Panama disease 

 143, 415. 



Lime black root disease, Kosellinia .sp., 

 30. 



• — nielanose, 30 



— red root disease, Sphaerostilbe sp , 

 30. 



— root disease, peculiar, 30. 

 Limes, Thelephora pedicellata oa. 



167. 

 Maize root disease, 31. 

 Mango anthracnose, Gloeosporium 



mangiferae, 334. 



— black spot, Gloeosporium mangi- 

 ferae, 334. 



Marasmiusequicrinis, horse-hair blight, 

 30 



— sp., sugar-cane root disease, 30, 

 366, 382, 414. 



Melanconium sacchari, sugar-cane rind 

 disease, 30, 366, 382, 414. 



Meliola palmarum, 411. 



Moko disease of bananas. Bacillus mu- 

 sae, 142, 415. 



Palm sooty mould, 411. 



Panama disease and Ustilaginella mu- 

 saeperda, 142. 



— — and Leptospora musae, 143, 

 415. 



of bananas, 126, 142, 415. 



Para rubber, spots on, 62. 

 Pestallozia palmarum, 18.5, 411. 

 Phytophthora Faberi, cacao canker, 

 30, 174. 



— — , — pod black rot, 30. 



I — omnivora and bud rot, 94, 110. 



Pigeon peas, pink disease of, 167. 



Pink disease, Corticium laeve, 167. 

 j — — , — salmonicolor, 158. 

 1 — — of pigeon peas, 167. 



Primus, gummosis of, 206, 414. 



Pythium gracile, ginger soft rot, 46, 

 415. 



— palmivorum and bud rot, 94, 

 110, 185, 238, 414. 



Pioot diseases, general treatment, 190. 



