Tennessee Flora. 123 



P. lutea L. Yellow passion flower. Thickets. O. S. May- 

 July. 



CACTACE.E Lindl. 

 OPUNTIA ^lill. 



Opuntia Opuntia (L.) Coulter. O. vulgaris Mill. Eastern 

 prickly pear. A waif near a railroad station. Laverg-ne. 

 Common on the Atlantic Coast. June, July. 



O. humifusa Raf. O. Rafinesquii Engelm. Western prickly 

 pear. Abundant in rocky g-lades. O. S. Varying with or- 

 bicular and obovate joints. June, July. 



THYMELEACE.E Reichenb. 



DIRCA L. 



Dirca palustris L. Leatherwood. Moosewood. Swampy 

 or moist thickets in the Alleghany and Cumberland Mts. 

 April, ]\Iay. 



LYTHRACE.E Lindl. 



AMMANIA L. 



Ammania coccinea Rottb. Swamps or ditches. O. S. July- 

 September. 



A. latifolia L. Wet places. Tullahoma, etc. July, August. 



DIDIPLIS Raf. 



Didiplis diandra Wood. D. linearis Raf. O. S. June-Au- 

 gust. 



ROTALA L. 



Rotala ramosior (L.) Krehne. Ammania humilis Michx. 

 Pools and ditches. O. S. July-September. 



DECODON J. T. Gmelin. 



Decodon verticillatus (L.) Ell. Nesaea verticillata H. B. K. 

 Loosestrife. Waters of Barren Fork of Caney Fork, near 

 Nicholson Springs. September. 



LYTHRUM L. 



Lythrum alatum Pursh. Angled loosestrife. Borders of 

 springs and rivulets. Cleveland, E. Tenn. July. 



PARSONIA P. Br. (Cuphaea Jacq.) 



Parsonia petiolata (L.) Rusby. Cuphaea viscosissima Jacq. 

 Clammy cuphaea. Tar weed. Dry woods. O. S. August, 

 September. 



