CLASSIFICATION AND DESCRIPTION OF THE 

 SPECIES. 



SPERMATOPHYTA. SEED-PLANTS. 

 Phylum, CYCADOPHYTA. 



Class, GiNKGOEAE. 



Order, Ginkgo ales. 



Cinkgoaccac. Ginkgo Family. 



1. Ginkgo Kaempf. Ginkp^o. 



Trees with dichotomoiisly veined, fan-shaped leaves on 

 thick, wart-like, persistent, dwarf hranchcs. 



Stamens and carpels in clusters on the dwarf l)ranches, 

 appearing with the leaves. 



1. Ginkgo biloha. L. Maiden-hair-trec. A large, beau- 

 tiful and hard}' tree with diecious flowers. Seed large, drupe- 

 like. Autumn leaves orange. Introduced from China and 

 japan : should he commonly cultivated for ornament. 



Phylum. STROBILOPHYTA. 



Class. CoNiFERAE. Couifers. 



Order. Pixai.es. 



TaxodiaccaC P)ald-cyi)rcss I'amily. 



2. Taxodium Kicli. P)ald-cypress. 



Trees with feather-like, annually deciduous dwarf 

 branches with the numerous, small, narrow leaves usually 

 spreading into two ranks, and liaving the slender twigs covered 

 with small self-pruning scars. 



Tall trees with horizontal or drooping l)ranclH's : mone- 

 cious : carpellate cones globose, in small terminal clusters; 

 their scales few, each with two ovules at the base. 



1. Taxodium distichum (\^ Rich. P>ald-cyprcss. A 

 large tree, the old bark flaky in thin strips. The roots de- 

 velop upright conic "knees." Wood light, soft, brown and 

 very durable. In swamps and along rivers. N. J. to f"la.. 

 west to Tex., north to Mo. and Tnd. 



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