SMITHSONIAN MISCELLANEOUS COLLECTIONS 



NO. 4, PL. 2 



FLOWERS OF RUBELZUL COTTON (GOSSYPIUM IRENAEUM> 



Dissected to show involucral bracts, outer and Inner surfaces of calyx, trlfid calyx lobes, staminal 



column and petals. From offspring of the original plants, grown at 



Finca Trece Aguas, Alta Verapaz. Guatemala 



(Natural size* 



