l*?© Tennessee Ploea. 



*R. umbrosa n. sp. C. L. Boynton and C. D. Beadle. 

 Sparta, White County. August. 



RATIBIDA Raf. (Lepachys Raf.) 



Ratibida pinnata (Vent.) Bernhart. Lapachys pinnata 

 Torr & Gray. Dry copses. O. S. June-September. 



R. columnaris (Sims) D. Don. Prairie cone flower, var pul- 

 cherrima. Found near cotton compress, S. Nashville. A 

 waif. 



BRAUNERIA Neck. (Echinacea Moench.) 



Braunljeria purpurea L. Britton. Echinacea Moench.. 

 Black Sampson. M. and E. Tenn. In moist, rich soil. 



B. pallida (Nutt.) Britton. Echinacea angustifolia Nutt. 

 Hills near Nashville. Flowers differ from deep purple to pure 

 white. July-October. 



HELIANTHUS L. 



Helianthus angustifolius L. Swamp sunflower. Craggy 

 Hope, Cheatham County, and in W. Tenn. S. M. Bain. 



H. annuus L. Common sunflower. Frequently escaping 

 cultivation. July-September. 



H. verticillatus Small. Henderson, W. Tenn. S. M. Bain. 



H. atrorubens Nutt. Dry woods. O. S. August-October. 



H. laevigatus Torr & Gray. Mts. of E. Tenn. August-Oc- 

 tober. 



H. microcephalus T. & G. H. parviflorus Bernh. O. S. 

 July-August. 



H. giganteus L. Knoxville. A. Ruth. August-October. 



H. divaricatus L. Highlands of M. Tenn. E. Tenn. July, 

 August. 



H. mollis Lam. Barrens of M. Tenn. Abundant. Au- 

 gust, September. 



H. decapetalus L. Highlands of M. Tenn. Mts. of E. 

 Tenn. August, September. 



H. tracheliifolius Michx. Big Frog Mts., Polk County. 

 July, August. 



H. hirsutus Raf. Barrens of M. Tenn. Abundant. July, 

 August. 



H. laetiflorus Pers'. Brownsville, W. Tenn. August, Sep- 

 tember. 



H. tomentosus Michx. Lake Otase, near Knoxville. A. 

 Ruth. 



*R. umbrosa C. L. "Boynton. Related to>.R. speclosa Wender., dif- 

 fering from the latter species in the broad and hairy-lipped chaff, size 

 of flower heads, shorter and fewer rays, and in the outline of the leaves. 

 (Biltmore Botanical Studies, Vol. I., No. 1.) 



