Trees, Shrubs and Vines 



S3. Orange. (Citrus trifoliata.) 

 Leaf : trifoliate, alternate ; leaflets, 2', blunt-elliptical, stem- 

 less ; the leaf-stalk winged. Flower : creamy-white (petals 4- 

 8, linear-oblong, thick, stamens usually many, their filaments 

 somewhat united) ; May ; fruit orange-yellow, small ; low tree or 

 shrub, spiny. Japan. (PI. III.) 



54. Spanish Pine. (Finus mugho.) 



Leaf : 2', in twos, needle-like, sharp-pointed ; cone, 2', oval, 

 horizontal, often 2-3-clustered, scales prickly at apex ; tree and 

 shrub. 



55. Scotch Pine. (Pinus sylvestris.) 



Leaf : 2—4', in twos, rather flat, bluish-white ; cone tapering, 

 the scales with tubercle-like tips ; bark reddish on upper part of 

 trunk ; prevalent in Northern Europe. 



56. Austrian Pine. (Finus austriaca.) 

 Leaf: 4-6', in twos, rigid, slender, dark green ; cone conical, 

 3' or less ; large tree, with rough bark. 



57. Himalayan White Pine. (Finus excelsus.) 

 Leaf : 6'-8', in fives, whitish, slender, in large pendent tufts, 

 nearly twice as long as in native white pine ; cones large, 6'- 10' 

 long. 



58. Swiss, Stone, or Cembra Pine. (Finus cembra.) 

 Leaf : 3-4', in fives, 4-angled, gp'een, crowded, on erect 

 branches ; cone somewhat roundish, 2' long, erect, with round 

 seeds the size of peas ; small tree from the higher Alps. 



59. Cedar of Lebanon. (Cedrus Libani.) 

 Leaf : i', much as in larch (whorled), but stiff, evergreen, and 

 dark ; cone large, globular ; branches stiff and horizontal. (Fl. 

 IV.) 



60. Himalayan Cedar. (Cedrus atlantica.) 

 Leaf : less than i', short and clustered as in larch, stiff, ever- 

 green, the outer ones always smaller ; flat-3-angled, bluish g^een : 

 cone 4' or more. 



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