CONIFEROUS GYMNOSPERMS. 29 



Order LX. PALM^. 



Shrubs, small aud large trees. Flowers in a branched spadix. Perianth in 

 6 parts arranged iu 2 series. Stamens usually 6. Fruit variou.s in form 

 and size. 



Betel Nut, Areca. 



Date Palm, Phoenix. 



Cocoanut, Cocos. 



Sago Palm, Metroxylon. 



Order LXI. GRAMINE^. 



Herbs. Flower envelope usually witli 2 (rarely more) small scales. Fruit 

 grooved on one side. Stem tapering and usually hollow. Leaves sheathing. 



Indian Corn, Zea. 

 Wheat, Triticum. 



Rice, Oryza. 



Sugar Cane, Saccharum. 

 Broom Corn, Sorghum. 

 Rye, Secale. 



Barley, Hordeum. 



Oats, Avena. 



Millet, Setaria. 



Class III. GYMNOSPERMS. 



Order LXII. CONIFERS. 



Shrubs and trees, mostly trees. Flowers without perianth. Fruit naked 

 In the scales of a cone or in a berry-like cup. Leaves oi)posite, whorled, or 

 fascicled, simple, with simple nerves. 



Pine, Pinus. 



Spruce, Picea. 



Fir, Abies. 



Larch, Larix. 



Cedar, Jviniperus. 



Arbor Vitae, Thuja. 



Hemlock, Tsuga. 



Cypress, Chamaecyparis. 



