3 LIVINGSTON, B. E., (i) Light intensity and transpiration. BOT. GAZ. 52:417-438. i9ii., (2) A radio-atmometer for comparing light intensities. Plant World 4: 96-99. I9II.
Bureau of Education and are from bulletins dealing with fiber plants used in industrial work in schools. The writer is greatly indebted to Mr. E. D. Merrill of the Bureau of Science for valuable assistance in the preparation of this bulletin. For all of the above assistance the writer desires here to express his grateful appreciation.
34. Coconut palms growing on the beach at San Ramon, Mindanao 95 35. Opening coconuts for drying at Pagsanjan, Laguna 97 36. Sun-drying coconuts, showing the nuts on the trays ready to be nushed under the shelter 37. Kiln used for drying coconuts 101 38. Pittosporum resiniferum (petroleum nut), the source of oil of petroleum nuts^107 39. Pongannia pinnata (bani), the source of pongam oil 113 40. Canarium ovatum (pili), the source of pili-nut oil 115 41. Chisocheton cuniingmnus (balukanag) , the source of balukanag oil 42. Chisochetoyi pentandrus (katong-machin) , the source of katong-machin oil 121 43. Aleurites rnoluccana (lumbang), the source of lumbang oil, bark, fruits, and leaves 44. Aleurites rnoluccana (lumbang), dried fruits and seeds.. 45. Aleurites rnoluccana (lumbang), bark, flowers, and leaves.... 46. Aleurites trisperma (bagilumbang) , the source of bagilumbang oil 47. Croton tiglium, the source of croton oil 48. Jatropha curcas (tubang-bakod) , the source of physic-nut oil 49. Ricinus communis (tangan-tafigan) , the source of castor oil 50. Ganophyllum falcatum (arangen) , the source of arafigen oil.. 51. Ceiba pentandra (kapok), the source of kapok oil 52. Sterculia foetida (kalumpang) , the source of kalumpang oil.. 153 53. Fruits of Stercvlia foetida (kalumpang) 54. Calophyllum inophyllum (bitaog), the source of bitaog oil... 55. Terminalia catappa (talisaiK the source of Indian almond oil 56. Bassia betis (betis), the source of betis oil 57. Trunk of Bassia betis (betis) 58. Sesamnm orientate, the source of sesame oil 59. Andropogon zizanioides (vetiver or moras), the source of vetiver oil 60. Michelia champaca (champaka), the source of champaka oil 187 61. Canangium odoratum (ilang-ilang) , the source of ilangilang oil 62. Canangium odoratum (ilang-ilang) 63. Cinnamomum ine.rs, a source of cinnamon 199 64. Cinnamomum mercadoi (kalingag), the source of kaliiigag oil 65. Cinnamomum mindanaense (Mindanao cinnamon), a source of cinnamon 215 72. Pogostemon cablin (patchouli or kablin), the source of patchouli oil 221 73. Blumea balsamifera (sambong), a source of camphor PHILIPPINE RESINS, GUMS, SEED OILS, AND ESSENTIAL OILS By Augustus P. West and William H. Brown PIllLIl'PlNE RESINS, GUMS, AND OILS lar^e number of species, so that a jifiven species, although of wide distribution, may occur only in small numbers in a limited area. Many of the Philippine oil-producing plants grow well under cultivation, and the greatest development of oil industries from such plants will be dependent on their being grown in plantations by private individuals or in reforestation projects. A beginning has already been made in this direction, and in the case of Canaiigium oiIoratNtu (ilang-ilang) the oil is distilled largely from flowers grown under cultivation. Aleurites moluccana, the source of lumbang oil, is fairly common in some regions, and the oil, which is extracted commercially, is largely from wild trees.This species and also Aleurites tnsperma, the source of bagilumbang oil. grow rapidly in plantations, and t...
The writers are greatly indebted to Mr. E. D. Merrill, of the Bureau of Science, for valuable assistance and suggestions and to Dr. F. W. Foxworthy, formerly chief of the Division of Investigation, Bureau of Forestry, for extensive records left with the Bureau and for helpful criticisms of the present paper. Without the information obtained from Mr. Merrill and from the records left by Dr. Foxworthy, the preparation of the present bulletin would have been impracticable. The authors are indebted to Mr. R. C. McGregor for assistance in preparing this manuscript for the printer.
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