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Parameria glandulifera 



Partheniuin argentatuin (Guayale) 



Payena vais. for Gutta 



Raphionacme ulilis (Encanda Rubber) 



Sapiuni Vars. for rubber 



Sphaerostilbe repens 



Tabernaemontana crassa 



Tuber-from a 



Urceole elastica and vars. ^'o'- date. page. 



Rubber producing Plants ... ... 8 Feb. 'og 40 



Articles on "Other Rubber Producixg Plants" ivill be found under 

 their respective licadings. 



