16 



(JKXKRAI. ASPECT OF THE FLORA. 



Rhynchosia tomentosa, Torr.& Gray. 

 Djsmxlium viridiflorum Buckl. 



D. sessili folium T )rr. 

 Ciitoria M iriana L. 

 IJiptisia titictoria R. Br. 

 ThrrinopsisCarolinianaM. A. Curt, 

 Cladr.istis tinctoria Rif. 



S -lir inkia angustata Torr. & Gray. 

 (E lotherifruticosa L. 

 <E. sinuita L. 

 Ludwi^^ia hirtella Raf. 

 L. linearis W ill. 

 Hunarnelis Virginica L. 

 Lythruai alatuni Pursh. 

 Guir.i biennis L., (E. Ten.). 

 G. tilip^s Si)ich, (E. Ten.). 

 P.)lyt:i^ lia Nuttallii DC. 

 Arrhmgelica hirsuta Torr. & Gray. 

 Housto'iia cjerulea L. 

 Oldenlandia Boscii Chapm. 

 Eiipatorium semiserratum DC. 



E. aromatic um L. 



E. leucolepis Torr. <k Gray. 



Liatris spicata Willd. 



L. graminifolia Pursh. 



Ohrysopsis Mariana Nutt. 



Solida^o cae^ia L. 



S. bi color L. . 



S. odora Ait. 



S. corymbosa Ell. 



S. lanceolata L. 



Boltonia diffusa Ell. 



Aster concolor L. 



A. umbellatus Mill. 



A: linariifolius L. 



Silpliium braehiatum Gattinger. 



S. scaberrimum Ell. 



S. Asteriscus Ell. 



Rudb9kialaciniata L. 



Helianthus atrorubensL. 



Helianthella tenuifolia Torr. & Gray. 



Coreopsis auriculata L. 



C. senifolia Michx. 



Cacalia suaveolens L. 



Castanea vesca, var. Amsricana 



Michx. 

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

 Habenaria integra Sprengel. 

 H. psramoeia Gray. 

 Spiranthes simplex Gray. 

 Sp. cernua Rich. 

 Pogonia pen lula Lindley. 

 Iris Virginica L 

 Lilium Canadense L. 

 Uvularia perfoliata L. 

 Stenanthiam robustum Wats. 

 Amianthium muscse^oxicum, Gray, 



(E. Tnnn.). 

 Dichromena latifolia Baldso. 

 Juncu-i pelocarpus E. Meyer. 

 Cvperus vegetus Willd. 

 S?,irpus polyphyllus Vahl. 

 Carex Shortiana Dev. 

 C. fl iccosperma Dew. 

 C. granularis Miihlb. 

 Paspalum laeve Michx. 

 Panicum commutatum Schulz. 

 P. depauperatum Mhlb. 

 P. fill forme L. 

 P. glabrum Gaud., var. Mississippi 



ense Gattinger. 

 Erianthns alopecuroides Ell. 

 E. brevibarbis Michx. 

 E. strictus Baldw. 

 Danthonia spicata Beauv. 

 Gymnopogon racmeosus Beauv. 

 Eatonia obtusata,. var. laxiflora 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 Tennessee river very nearly indicates in its northern 

 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 bluff, which 



