290 



From this memorandum it appears that " the first shipments of 

 Guayule rubber to Europe (1902) were received with scant favour, 

 and the shippers were extremely glad to at last get an offer from a 

 London firm of 6e?. per lb. 



"A few months later a German manufacturer offered Is. per 

 lb. for the rubber, whilst an American offered 25 cents gold 

 oer lb. At the beginning of 1903 the same American offered to 

 take the whole output of the factory at 40 cents per lb. 



♦u •" Sil l Ce that date ' as marmf acturers have become accustomed to 

 this rubber, the price has steadily advanced until 1906, when the 

 highest price was reached, viz., 2s. M. per lb. 



"Guayule, or the Parthenium argentalum, is a shrub growing 

 o about 3 feet high at maturity. It is of very slow growth, and 



the samples accompanying this memorandum are probably at least 

 ov years old. 



ft l^T- th ! first . 7 ear » when onl y ab oat 6 inches high, and with 



vlr ™rf m S T' ^ g T e f b0th flowers and seed > and «> on every 

 ekrhth vU tl\ Cannofc +1 be ? sed fo r extracting rubber until the 



blngVloTn^^ tt S. amPle tIme t0 repr ° dUCe ' the Se6d 



and f£™J?! 2X3 /?u the plant contains no rubber whatever, 

 small fd t0 the dghth year the Percentage of rubber is 



of \t sk-k* plant wm contain » m - h as i ° p- <=»*• 



the" IntSexS o,f M . traoti ° n is «-at originally employed by 



strSm the^tiX ^, !? °l" ra "?"' and one i n course of eon- 



be less than 3W ;rip d e r t ton P th 0dUCt ' 0n f " m *" S ° UrCeS ^ n0t 



all" ter^foVL^afve' "* I!"* in 8i * ht to «W* 

 no plantation of GuaTole S S ' "^ th l ree or fonr - but there is 

 only a question of S,th„w* g °° d the plants used U P 1 jt is 

 entirely exhausted h ' 8 SOUrce of rubber w «> be almost 



Republl G Si\t rU m b J 8 ° n , Iy f °" nd in the cold ^ P^b of the 

 is principal oUaTned frl^S** 1 ° f the Tro P ic of Cancer. It 

 Potosi. P y temed from the Sta *es of Zacatecas and San Luis 



another 



Gnayule from tie sim ZZ of "th can , easil y to ™«*aken for 



especially in the wet sSson V! -° 1" ° f itS leaTeS ' * c - 



Guayule. The Marinl! J£' P ows m the ■"»« «*ion as the 



entities that .t^^&^S™ £*£ *- in fuch smal. 



