APPENDIX. 37 



Order i8. MALVALES. 

 Family i. Tiliacoae Juss. 

 Tilia Americana L. Bass-wood. American Linden. In rich woods. 



Family 2. Malvaceae Neck. 



Althaea officinalis L. Marsh-mallow. In the county, (P. Fl.). 



Althaea rosea Cav. Hollyhock. Sellersville; Perkasie; Rockhill. 



Malva sylvestris L. High Mallow. In waste grounds. 



Malva rotundifolia L. Common Mallow. Cheeses. In waste places. 



Malva crispa L. Curled Mallow. Near Mount Pleasant. 



Malva moschata L. Musk Mallow. In the county, (P. Fl.). 



Sida spinosa L. Prickly Sida. Along the entire river border. 



Abutilon Abutilon (L.) Rusby. Velvet Leaf. Indian Mallow. In waste places. 



Hibiscus Moscheutos L. Swamp Rose-mallow. Bristol swamps. 



Hibiscus Trionum L. Bladder Ketmia. In waste grounds. 



Hibiscus Syriacus L. Shrubby Althaea. Rose-of-Sharon. In lower end. 



Order 19. PARIETALES. 

 Family i. Hypcricaccae Lindl. 



Ascyrum stans Michx. St. Peter's-wort. Near Bristol, I. C. Martindalc. 



Ascyrum hypericoides L. St. Andrew's Cross. Hulmeville, I. C. Martindale. 



Hypericum Ascyron L. Great St. John's-wort. Nochamixon; Point Pleasant. 



Hypericum adpressum Bart. Creeping St. John's-wort. Tullytown; Bristol. 



Hypericum ellipticum Hook. Pale St. John's-wort. Solliday's island, (M. C); Mor-. 

 risville. Dr. E. Newlin Williams. 



Hypericum virgatum Lam. Copper-colored St. John's-wort. Bristol, I. C. Martin- 

 dale. 



Hypericum perforatum L. Common St. John's-wort. In fields, a common weed. 



Hypericum maculatum Walt. Spotted St. John's-wort. In moist soil. 



Hypericum mutilum L. Dwarf St. John's-wort. In wet grounds. 



Hypericum gymnathum Engelm. & Gray. Clasping-leaved St. John's-wort, Bristol, 

 I. C. Martindale. 



Hypericum Canadense L. Canadian St. John's-wort. In wet soil. 



Sarothra gentianoides L. Orange-grass. Pine-weed. On dry banks. 



Triadenum Virginicum (L.) Raf. Marsh St. John's-wort. In swamps. 



Family 2. Elatinaceae Lindl. 

 Elatine Americana (Pursh.) Arn. Water-wort. Andalusia, I. C. Martindale. 



Family 3. Cistaceae Lindl. 



Helianthemum majus (L.) B. S. P. Hoary Frostweed. Solliday's island; near Sel- 

 lersville. 

 Helianthemum Candense (L.) Michx. Frost-wort. Bristol, Tullytown. 



