Sanguinaria 



Papaveraceae 



481 



o 50 



Map 990 



Sanguinaria canadensis L. 



Stylophorum diphyllum (MichxJ Nutt 



104. PAPAVERACEAE B. Juss. Poppy Family 



Flowers white; leaves all basal; juice of plants red 2841. Sanguinaria, p. 481. 



Flowers, leaves, and juice not as above. 



Leaves spiny-toothed 2852. Argemone, p. 482. 



Leaves not as above. 



Flowers yellow; juice of plants yellow; pod dehiscent to the base. 



Capsule oblong, bristly; buds erect, ovoid 2843. Stylophorum, p. 481. 



Capsule linear, glabrous ; buds drooping just before opening, obovoid 



2845. Chelidonium, p. 481. 



Flowers not yellow; juice of plants not yellow; pods dehiscent at the top or only 

 to the middle 2853. Papaver, p. 482. 



2841. SANGUINARIA [Dill.] L. Bloodroot 



1. Sanguinaria canadensis L. Bloodroot. Map 990. Infrequent to 

 frequent in all parts of the state in rich, moist woods. Bloodroot has 

 long been much used in medicine and where it was once frequent or 

 locally common in woodland located near where an active "root gatherer" 

 lived, it has become extinct or rare. 



N. S. to Man., southw. to Fla., Ala., Ark., and Nebr. 



2843. STYLOPHORUM Nutt. 

 1. Stylophorum diphyllum (Michx.) Nutt. Celandine- POPPY. 



Map 



991. Infrequent to frequent or local in all parts of the state or possibly 

 absent in some counties. I have not found it in the southwestern counties 

 although I have done much collecting there. 

 Western Pa. to Wis., southw. to Tenn. and Mo. 



2845. CHELIDONIUM [Tourn.] L. 



1. Chelidonium majus L. Celandine. Map 992. Three authors 

 have reported this species as escaping from about dwellings. I found it 



