20 



Orchidaceae 



29. Cypripedium spp. — Pitcher plant, Traverse City, Mich. 



Myricaceae 



30. Myrica sp. — Low mucker, undoubtedly a corruption of 

 low myrtle, Goose Creek, S. C. 



Salicaceae 



31. Salix amygdaloides Anderson. — Black willow, Salt Lake 

 Valley, Utah (A. Wetmore.) 



32. Salix exigua Nuttall. — Gray willow, Salt Lake Valley, 

 Utah. (A. Wetmore.) 



Betulaceae 



33. Carpinus caroliniana Walter. — Black beech. Admiral, Md. 

 (Francis Harper.) 



Fagaceae 



34. Quercus ilicifolia Wangenheim. — Bush oak (Schoepf, I, 



p. I59-) 



Ulmaceae 



35. Celtis douglasii Planchon. — Wild orange, Lyle, Wash, 

 (G. G. Cantwell.) 



Urticaceae 



36. Pilea pumila L. — Bastard nettle, dead nettle, silverweed. 

 (Stokes, James. Med. and Surg. Rep. 17, 1867, p. 373.) 



Aristolochiaceae 



37. Asarum sp. — Coltsfoot. (Schoepf, I, p. 319.) 



Chenopodiaceae 



38. Allenrolfea utahensis Tidestrom. — Saltweed, Salt Lake 

 Valley, Utah. (A. Wetmore.) 



39. Salicornia europea L. — Saltweed, Salt Lake Valley, Utah. 

 (A. Wetmore.) 



40. Salicornia sp. — Sea cress. Wallops Id., Va. 



I Ceratophyllaceae 



41. Ceratophyllum demersum L. — Fish-blankets, Oakley, S. C. 

 (Nathaniel Heyward.) ; cedar moss, Reelfoot Lake, Tenn. 



