Tennessee Floea. 55- 



COMMELINACE^ Reichenb. 

 COMMELINA L. 



Commelina nudiflora L. Day flower. Alluvial banks. O. 

 S. July,' August. 



C. hirtella Vahl. Shaded bluffs, Nashville. August-Octo- 

 ber. 



C. Virginica L. Copses. O. S. 



C. Virginica angustifolia Michx. Cedar glades of M. Tenn_ 

 July, August. 



TRADESCANTIA L. 



Tradescantia Virginiana L. Spiderwort. Rich woodlands.. 

 O. S. May. 



T. montana Schuttlw. Wolf Creek, Cocke County, E. Tenn. 

 T. H. Kearney. June, July. 



T. brevicaulis Raf. Bluffs on Mill Creek, Nashville. June.. 



PONTEDERIACE^ Dumort. 



PONTEDERIA L. 



Pontederia cordata L. Pickerel weed. Wild Goose Pond,, 

 near Mitchellville, Robertson County. June-October. 



HETERANTHERA R. & P. 



Heteranthera •uniformis R. & P. Mud plantain. Ditche.?^ 

 and ponds. O. S. August. 



H. limosa (Sw.) Willd. With the former. O. S. Ponds- 

 near Nashville. August. 



H. djibia (Jacq.) MacM. Schollera graminifolia A. Gray. 

 Water star grass. E. and W. Tenn. 



JUNCACE^ Vent. 

 JUNCUS L. 



Juncus effusus L. Common rush. In swamps and moist 

 places. O. S. June-September. 



J. bufonius L. Toad rush. In clayey soil. July-October. 



J. tenuis. Willd. Roadsides in damp soil ; very common. 

 O. S. June. 



J. secundus Beauv. J. tenuis var. secundus Engelm. E. 

 Tenn. Oakland Station, Robertson County. 



J. setaceus Rostk. Along streams. O. S. June, July. 



J. repens Michx. Miry places in the barrens of M. Tenn. 

 Tullahoma. June-August. 



J. marginatus Rostk. Mts. of E. Tenn. and in the feak bar- 

 rens of M. Tenn. June. 



