91 
VERJBENACE-ffi. 
VERBENA, Tourn. 
-/ 784. V. urtieaefolia, L. White Vervain. Nettle-leaved Vervain. 
Fields, roadsides, banks and open woods; infrequent and mainly 
south. July — August. j. < 
Hybrid forms are not infrequent. 
(a) Form with flowers sometimes pale-blue; rare, near Riverside. 
( b ) Form with pinkish flowers; rare. Hyde Park. Maywood. 
785. V. ang’UStifolia, Michx. Narrow-leaved Vervain. 
Dry soil, chiefly north; infrequent. July. 
786. V. hastata, L. Blue Vervain. 
Prairies, hanks, roadsides, etc.; abundant. June — September. 
In some seasons, the form with the leaves free from lobes, is 
common. 
787. V. stricta, Vent. Hoary Vervain. 
Barren fields, prairies and banks; frequent or common. July. 
788. V. bracteosa, Michx, Prostrate Vervain. 
Prairies and waste grounds; frequent. July — September. 
LIPPIA, Houst. 
^789. L. laneeolata, Michx. Fog-fruit- 
Banks of the Desplaines river; common. Wet places southward; 
frequent. July — August. 
PHBTMA, L. 
790. P. leptostaehya, L. Lop-seed. 
Woods and moist shaded banks, especially southward; common. July. 
Palatine and Riverside; common, Babcock. 
LABIATiE. 
ISANTHUS, Michx. 
791. I. cseruleus, Michx. False Pennyroyal. 
Bluffs near the lake shore at Evanston ; frequent. 
Gravelly and sandy banks, Englewood, Hill. July — Sept. (B.) 
. TEUCRIUM, L. 
792. T. eanadense, L. American Germander. Wood Sage. 
Banks of streams and low grounds; frequent. July — August. 
The white variety at Riverside and Harlem, Babcock . ~ • v 
COLLINSONIA, L. 
793. C. canadensis, L. Stone-root. Collinsonia. 
Rich woods; infrequent or rare. July— August. (B.) 
Glencoe. Niles. Maywood. 
