No. 53. CHARACTERISTIC POLLEN GRAINS OF WILD AND 

 CULTIVATED SPECIES OF GOSSYPIUM. 



11. G. bnrbadense (River's Sea Island) x 450 times life size ; 12. G. Nanking, var. Roji x 450 ; 

 IB. G. hybrid (Ghogari x Varadi) = hirsutum, spore X 450 ; 14. Ditto = Nanking, spore x 450 ; 

 15. Ditto = obtusifolium, spore x 450; 16. G. punctatum, var. Jamaica X 300; 17. G. Palmerii 



X 300 -IS n hrnfJ4aita V AKA 1Q Cl fnttonco v 3AH Of> d vwiiiiinv.iim, X SOO : and 



