194 STATE HOKTICULTUEAL SOCIETY 



CISTACE^E. ROCK-ROSE FAMILY. 



HELIANTHEMUM, Pers. 



2508. E. majus, (L.) B. S. P. Hoary Frostweed. 



Quite common, on dry ridges. 

 :2509. H. canadense, (L.) Michx. Frost- wort. 



Frequent in dry soil. 

 LECH A, L. 



2510. L. minor, L. Thyme-leaved Pin-weed. 

 Not common. 



2511. L. villosa, Eli. Hairy Pin-weed. 

 Infrequent. 



2512. L. tenuifolia, Michx. Narrow-leaved Pin-weed. 

 Dry soil; infrequent. 



2513. L. stricta, Leggett. Prairie Pin-weed. 

 Common on dry, sandy or rocky ridges. 



VIOLACE^I. VIOLET FAMILY. 



VIOLA, L. 



2514. V. palmata, L. Early Blue Violet, 

 Not common. 



2515. V. pedatifida, Don. Prairie Violet. 

 Common on prairies. 



.2516. V. pedata, L. Bird's-foot Violet. 



On dry, sandy slopes and ridges. Not rare. 

 2517. V. oUiqua, Hill. Thin-leaved Wood-violet. 

 2.518. V. papilionacea, Pursh. Common Blue Violet. 



Common, usually in thickets or along borders, some- 

 times in open places. 



2519. V. papilionacea domestica, (Bicknell) Pollard. 

 Cultivated soil, around dwellings. 



2520. V. cucullata, Ait. Marsh Blue Violet. 

 In wet meadows. 



"2521. V. sagittata, Ait. Arrow-leaved Violet. 



In meadows. 

 2522. V. Uanda, Willd. Sweet White Violet. 



In wet places. 

 :2523. V. primulcefolia, L. Primrose-leaved Violet. 



Damp ground. 



