H. Doc. 181. 



PLATE XII. 



a 



LONGLEAF PINE (PlNUS PALUSTRIS) : MALE AND FEMALE FLOWERS. 



a, fruiting branch with female aments at tip, and one and two seasons' cones; b, male aments; r, female ament; d. seeil-lxwin;; scales; .-, /. mail- :inirnts; 



g, detached anthers; A, i, detached female Howers. 



