162 BOTANICAL SYNOPSIS 



NATURAL ORDER, JUGIANDACE^E {WALNUT 

 FAMILY). 



Juglans regia L. Walnut. Bark furrowed. Branches 

 smooth, grey. Leaves pinnate, of three or four pairs of ova), 

 acute, somewhat fleshy leaflets, and a terminal one, aromatic 

 when bruised. Flowers monoecious. Male flowers in solitary 

 drooping catkins on shoot of previous year. Female flowers 

 terminating the shoot of the year. Fruit inferior, bicarpellary, 

 drupaceous, oval, with nut-like endocarp and one seed. April, 

 May. Persia. Vol. I., p. 81. 



NATURAL ORDER, FLATANACEyE {PLANE 

 FAMILY). 



Platanus orientalis L. Oriental Plane. Bark green, scaling 

 off in square flakes. Outline compact and rounded. Leaves 

 alternate, deeply palmately five-lobed, cuneate at the base, 

 six to eight inches across, glossy. Flowers monoecious, 

 collected in globular unisexual capitula ("buttons"), two to 

 five on a branch. Fruit small, one- seeded nuts similarly 

 arranged in buttons. May, June. Native in Persia. 

 Vol. II., />. 145. 



P. occidentalis L Western Plane. Scarcely distinct from 

 the above. Outline looser ani less rounded. Leaves lobed 

 to a moderate extent, not cuneate at the base. Fruit 

 button solitary on a branch. Canada to Mexico, and 

 Atlantic to Bocky Mountains. Vol. II., ;). 145. 



NATURAL ORDER, SALIOINEA< {WILLOW 

 FAMIL Y). 



Populus alba L. Abele. Bark smooth, grey. Suckers 

 numerous. Leaves of suckers lobed, those of the branches 

 white and cottony beneath, broadly ovate, cordate. Leaf- 

 stalk very long, compressed. Flowers dioecious, in drooping 

 catkins. Catkin-scales lobed, ciliate. Anthers purple. March, 

 April. Central Europe, North Africa, North and West 

 Asia. Vol. III., p. 33. 



