GEOLOGICAL REPORT. 81 



Chestnut or Yellow Oak (Quercus acuminata). On lime- 

 stone bluffs and dry bottoms. 



Chinquapin or Dwarf Chestnut Oak ( Quercus prinoides ?). 

 On limestone bluffs larger than usual. Acorns often peduncled. 



Third Division Leaves entire. 



Laurel Oak, erroneously called Pin Oak ( Quercus imbri- 

 i aria'). On the borders of prairies and fields. On rich land. 



fourth Division Leaves lobed, lobes mitcronate. 



Black Jack Oak ( Quercus nigra) . On the poorest soils ; very 

 common on the barrens in all the counties of South-west Mis- 

 souri. 



Black Oak (Quercus tinctoria). Abundant on good and 

 medium soil excellent timber. 



Scarlet Oak (Quercus coccinea). On good soil. 



Red Oak (Quercus rubra). On damp, rich soil, especially 

 in the bottoms. 



Pin Oak (Quercus palustris). In swamps and wet land 

 scarce in South-west Missouri. 



Gray Oak (Quercus ambigua?). On good soil. 



Spanish Oak ( Quercus falcatci) . Rare in the South-west. 



PAWPAW. 



Pawpaw (Anona triloba). In rich soils, particularly under 

 limestone bluffs. 



PERSIMMON. 



Persimmon (Diospyros Virginiana). Scarce in South-west 

 Missouri. In good soil ; borders of prairies and fields. 



PINE. . 



Yellow Pine (Pinus mitis). In Crawford, McDonald, and 

 Washington counties. 



PLUM. 



Red Plum (Prunus Americana). In bottoms, and on borders 

 of the prairies rich soil. 



Chickasaw Plum (Prunus Chicasa). 



PRICKLY ASH. 



Prickly Ash (Zanthoxylum Americanum). In wet places, on 

 the borders of prairies and forests. 

 6 



