240 



INDEX 



Castilloa fallax, 213 

 Castilloa guatemalenaia, 213 ; yield 

 of rubber from, in Jamaica, 

 224-5 



Castilloa lactiflua, 213 



Castilloa nicoyensis, 213 



Castilloa panamensis, 213 



Castilloa rubber, composition of, 

 51-2, 226 



Castilloa spp., 212 



Castilloa Tunu, 213 



Castilloa Ulei, 35, 213 



Catch-crops, growth of, on rubber 

 plantations, 116 



" Caucho bianco" rubber of Co- 

 lombia, 32 



Ceara rubber, 150-6 ; collection 

 of, in Brazil, 139 ; composition 

 of, 156 



Ceara rubber tree (see Manikot 

 Glaziovii) 



Central American rubber tree 

 (see Castilloa elastica) 



Ceylon, area under rubber in, 5 ; 

 production of rubber in, 9, 10 ; 

 rate of growth of Hevea brasi- 

 liensis in, 112 ; yield of rubber 

 from Hevea brasiliensis in, 126 ; 

 yield of rubber from Manihot 

 Glaziovii in, 150 



Chonemorpha 7nacropkylla, 41 ; 

 composition of rubber from, 41 



Chreostes coeca, 169 



Clitandra Arnoldiana, 40, 191 ; 

 yield of rubber from, 202 ; 

 rubber, cost of collection, 206 



Clitandra elastica, 40, 191 ; com- 

 position of rubber of, 21 1 



Clitandra henriquesiana, 41 ; bo- 

 tanical characters of, 191 



Clitandra laxiflora, 16, 41 



Clitandra Mannii, 16 



Clitandra orientalis, 24, 40 ; botan- 

 ical characters of, 190 ; compo- 

 sition of rubber of, 211 



Clitandra rubber vines, 40 



Coniothyrixim sp., 118 



Corticium salmonicolor, 118 



Cover-crops, growth of, on rubber 

 plantations, 116 



Cryptostegia grandiflora, 36 ; com- 

 position of rubber from, 36 



Cryptostegia inadagascariensia, 36 



" Die back " oi Hevea brasiliensis, 



118 

 Diecha vine (see Strophanthua 



Pretisaii) 

 Diseases of Hevea braailienais. 



117-19; of Funtumia elastica, 



169-70 

 Dregea rubicunda, 37 

 Dyera costulata, 42 



East Africa, German, area vmder 

 rubber in, 5 ; yield of rubber 

 from Manihot Glaziovii m, 150 



East Africa, Portuguese, yield of 

 rubber from Manihot Glaziovii 

 in, 154 



East Africa Protectorate, area 

 under rubber in, 5 ; production 

 of rubber in, 10, 22, 25 ; Fun- 

 tumia elastica in, 25, 26 ; Lan- 

 dolphia kiliniandjarica in, 25 ; 

 Landolphia Kirkii in, 25 ; 

 Landolphia ugandensis in, 25 ; 

 Landolphia watsoniana in, 25 ; 

 Mascarenhas ia elastica in, 25 ; 

 rubber plants of, 25 ; culti- 

 vation of rubber plants in, 26 ; 

 rate of growth of Manihot 

 Glaziovii in, 145 



East Africa, yield of rubber from 

 Manihot Glaziovii in, 150 



Ecdysanthera micrantlia, 41 ; com- 

 position of rubber from, 41 



Euphorbia fulva, 34 



Euphorbia Intisy, 33 



Euphorbia rhipsaloides, 33 



Euphorbia spp., 33 



Euphorbia Tirucalli, 33 ; compo- 

 sition of coagulated latex of, 

 34 



Euphorbiaceae, rubber plants of 

 the, 31-4 



Federated Malay States, area 

 under rubber in, 5 ; production 

 of rubber in, 10 (see also 

 Malaya) 



Ficus bibracteata, 35, 227, 236 



Ficus elastica, 2, 35, 227-34; 

 distribution of, 227 ; botanical 

 cliaracters of, 228 ; value of, for 

 cultivation, 228 ; methods of 

 cultivation, 229 ; rate of growth 

 of, 229 ; methods of tapping, 

 230-1 ; coagulation of latex of, 

 231 ; yield of rubber from, 

 232-3 ; composition of rubber 

 of, 234 



Ficus platyphylla, 35, 227, 236; 

 from Sudan, compoaition of 

 coagulated latex of, 236 



Ficus Rigo, 35, 227 



Ficua Schlechteri, 35, 227 



Fiona app., 3o-(j, 227 



