THE COLUMBIAN EXPOSITION. 458 



Fraxinus americana, L. White Aeh. 



" qiuidrangidata, Michx. Blue Ash. 



Hydrastis cdiutdensis, L. Golden Seal. 

 Hydrophylluvi canadense, L. Waterleaf. 

 " virginioim, L. Waterleaf. 



Juglans cinerea, L. Butternut. 



" nigra, L. Black Walnut. 

 Alenisjjerm 117)1 canadense, L. Moonseed. 

 Orchis spectabilis, L. Showy Orchis. 

 Podophyllum peltatiim.Li. May-apple. Mandrake. 

 Quercus alba, L. White Oak. When well grown. 



" macrocarpa , Michx. Bur-oak. 

 Ribes cynosbati, L. Prickly Gooseberry. 

 Rubus occidentalis, L. Black Raspberry. 

 Scrovhalaria nodosa, L., var. marilandica. Gray. Figwort. 

 Taraxacum officinale. Weber. Dandelion, 

 Tilia americana, L. Basswood. 

 Ulmus americana, L. American Elm. 



" racernosa, Thomas. Rock Elm. 

 Uvularia grandiflora. Smith. Bellwort. 

 Verbena hastata, L. Blue Vervain. 



When full grown and of good size, several other trees are indications of 

 good soil. 



PLANTS INDICATING A STEEILE SOIL. 



The following twenty species of plants are almost certain to be found in 

 considerable quantity on any extended area of Jack-pine plains, and 

 taken together are a good indication of a poor soil: 



Andropogon furcatus, Muhl. Finger or Beard-grass. 



" scoparius, Michx. Beard-grass. 



Arctostaphylos uva-ursi, Spreng. Bearberry. 

 Aster laevis, L. Aster. 



Carex pennsylvanica, Lam. Pennsylvania Sedge. 

 Danthonia spicata, Beauv. Wild Oat-grass. 

 Epigoia repens, L. Trailing Arbutus. 

 Erigeron canadensis, L. Horse-weed. 

 Oaultheria procumbens, L. Wintergreen. 

 Myrica asplenifolia, Endl. Sweet Fern. 

 Oryzopsis canadensis, Torr. Mountain Rice. 

 Pinus banksiana, Lambert. Scrub or Jack-pine. 

 Populus tremidoides, Michx. Aspen. 

 Prunus virginiana, L. Choke-cherry. 

 Pteris aquilina, L. Brake. Eagle Fern. 

 Quercus coccinea, Wang. Scarlet Oak. 



" tinctoria, Bartr. Black Oak. 

 Rumex acetosella, L. Sheep Sorrel. 

 Salix humilis, Marsh. Low or Prairie Willow. 

 Solidago nemoralis, Ait. Golden-rod. 

 Vaccinium canadense, Kalm. Low Blueberry. 



" pennsylvanicum. Lam. Dwarf Blueberry. 



" vacillans, Solander. Low Blueberry. 



LIST OF WILD FRUITS, NUTS, ETC. 



Amelanchier canadensis, Torr. and Gray, and varieties. Service-berry. 

 Asimina triloba, Dunal. Hapaw. 

 Carya alba, Nutt. Shell-bark Hickory. 



" sulcata, JSutt. Large Shell -bark Hickory. King-nut. 

 Castanea sativa. Mill., var. americana, Gray. American Chestnut. 

 Corylus americana, Walt. American Hazel-nut. 

 " rostrata, Ait. Beaked Hazel-nut. 



