200 STATE HORTICULTURAL SOCIETY 



POLYTiENIA, DC. 



2582. P. nuttallii, DC. Polytsenia. 

 Dry soil, infrequent. 



Oxypolis, Raf . 



2583. 0. rigidus, (L.) Raf. Cowbane. 

 Swampy ground; infrequent. 



Pastinaca, L. 



2584. P. sativa, L. Wild Parsnip. 



A common weed in waste places. Introduced from 

 Europe. 

 Heracleum, L. 



2585. H. lanatum, Michx. Cow-parsnip. 

 In rather moist soil, not rare. 



Daucus, L. 



2586. D. pusillus, Michx. American Carrot. 

 Infrequent. 



2587. D. carota, L. Wild Carrot. 

 Introduced from Europe. 



CORNACE-iE. DOGWOOD FAMILY. 



Cornus, L. 



2588. C. circinata, L'Her. Round-leaved Dogwood. 

 Common on shaded rocky slopes. 



2589. C. amomum, Mill. Kinnikinnik. 

 In dry soil. 



2590. C. asperifolia, Michx. Rough-leaved Cornel. 

 Frequent. 



2591. C. stolonifera, Michx. Red-osier Dogwood. 

 Common, in wet places. 



2592. C. candidissima, Marsh. Panicled Dogwood. 

 Common on shaded banks. 



2593. C. altemifolia, L. f. Alternate-leaved Dogwood. 

 Common on wooded slopes and banks. 



PYROLACE^E. WINTERGREEN FAMILY. 

 Pyrola, L. 



2594. P. elliptica, Nutt. Shin-leaf. 

 Common in deep upland woods. 



