8

8.
XIII Orchid Order (Orchidales)
(a) Orchid Family (Orchidaceae) (150) Crested Coral-
root (Hexalectris aphyllus.
XIV Walnut Order (Juglaudales)
(a) Walnut family (Juglaudaceae) (151) Walnut
(Juglans nigra) (152) Pecan (Hicoria pecan)
XV Willow Order (Silicales)
(a) Willow Family (Silicaceae) (153) Black
Willow (Salix nigra) (154) Cottonwood (Populus
deltoides (155) American Aspen (P. tremuloides)
XVI. Beech Order (Fagales)
(a) Beech Family (Fagaceae) (156) Water Oak
(Quercus nigra) (157) Post or Iron Oak (Q. minor) (158)
Mossy-cup or Bur Oak (Q. macrocarpa) (159) Live
Oak (Q. Virginiana) (160) Spotted Oak (Q. shumar-
dii).
XVII Nettle Order (Urticales)
(a) Nettle Family (Urticaceae) (161) Weak nettle
(Urtica chamaedryoides) (162) Obtuse-leaved Pellitory
(Parietaria obtusa)
(b) Mulberry Family (Artocarpaceae) (163) White
Mulberry (Morus alba) (164) Osage Orange