16 



GEXKRAT. ASPKCT OF THE FLORA. 



Rhynchosia tomentosa Torr.<fe Gray. 

 D3smodium viridiflorum Buckl. 



D. sessili folium Torr. 

 Clitoria Mariana L. 

 Biptisia tinctoria R. Br. 

 Therinopsis Caroliniana M. A. Curt. 

 Ciadr.istis tinctoria Rif. 



S ^hr.inkia aagastita Torr. St Gray. 

 Q3 aether. I fruticosa L. 

 (Yj. sinuata L. 

 Ludwigia hirtella Raf. 

 L. linearis Walt. 

 Hamamelis Virginica L. 

 Lythrum alatum Pursh. 

 Gaura biennis L., (E. Ten.). 

 G. filipesSpach, (E.Ten.). 

 Polyt;«iia Nuttallii DC. 

 Archangelica hirsuta Torr. & Gray. 

 Houstonia cferulea L. 

 Oldenlandia Boscii Chapm. 

 Eupatorium semiserratum DC. 



E. aromaticum L. 



E. leucolepis Torr. & Gray. 



Liatris spicata Willd. 



L. graminifolia Pursh. 



Chrysopsis Mariana Nutt. 



Solidago csesia L. 



S. bicolor L. 



S. odora Ait. 



S. corymbosa Ell. 



S. lanceolata L. 



Boltonia diffusa Ell. 



Aster eoncolor L. 



A. umbellatus Mill. 



A; hnariifolius L. 



Silphium brachiatum Gattinger. 



S. scaberrimum Ell. 



S. Asteriscus Ell. 



Rudbekia laciniata L. 



Helianthus atrorubens L. 



Helianthella tenuifolia Torr. & Gray. 



Coreopsis auriculata L. 



C. seni folia Michx. 



Cacalia suaveolens L. 



Castanea vesea, var. Americana 



Michx. 

 C. pumila Michx. (E. Tenn.). 

 Habenaria Integra Sprengel. 

 H. peramcena Gray. 

 Spiranthes simplex Gray. 

 Sp. cernua Rich. 

 Pogoaia pendula Lindley. 

 Iris Virginica L 

 Lilium Canadense L. 

 Uvularia perfoliata L. 

 Stenanthium robustum Wats. 

 Amianthium musctetoxicum, Gray, 



(E. Tf-nn.). 

 Dichromena latifolia Baldso. 

 J uncus pelocarpus E. Meyer. 

 Cyperus vegetus Willd. 

 Scirpus polyphyllus Vahl. 

 Carex Shortiana Dev. 

 C. fiiccosperma Dew. 

 C. granularis Miihlb. 

 Paspalum Igeve Michx. 

 Panicum commutatum Schulz. 

 P. depauperatum Mhlb. 

 P. filiforme L. 

 P. glabrum Gaud., var. Mississippi 



ense Gattinger. 

 Erianthus alopef uroides Ell. 

 E. brevibarbis Michx. 

 E. strictus Baldw. 

 Danthonia spicata Beauv. 

 Gymnopogon racmeosus Beauv. 

 Eatonia obtusata, var. laxi flora Gatt. 

 Chryspogon avenaceum Buckl. 

 Aristida purpurascens Poir. 

 Sporobolus Indicus R. Br. 

 Uniola gracilis Michx. 

 Festuca Shortii Vasey. 

 Arundinaria tecta Mhlb. 

 Pinus inops Ait. 

 Equisetum arvense L., E. Tenn. 

 Pteris aquilina L. 

 Phegopteris hexagonoptera Fee. 



WEST TENNESSEE. 



The Tenne.ssee river very nearly indieate.s in its nortiiern 

 cour.se a geological division, flowing, as it does, along an ancient 

 devonian and silurian shore-line. A few miles west and parallel 

 with the river rises the eastern escarpment of an undulating pla- 

 teau of only 2-300 feet elevation above the waters of the Ten- 

 nessee river. This irregular tableland slopes gradually towards the 

 Mississippi river and terminates there in another blutf, which 



