SALICACE.^. 649 



or 4, 2- 3-cleft, capsule 2 - 4-seeded. — Herbs or shrubs. Leaves mostly pal- 

 mately lobed. 



J. gossypiifolia, L. Shrubby (2° high); leaves roundish, 3-5-lobed, 

 serrate, the petiole bristly, glandular; bracts and calyx bristly-ciliate ; petals 

 5, dark red. — Key West {Curtiss), introduced. 



Order ULMACE^E. 



ULMUS, L. 



U. racemosa, Thomas. Branches often corky ; leaves oblong-ovate, 

 smooth above, downy beneath ; racemes slender; fruit large. — River-banks, 

 Tennessee, and northward. 



TREMA, Lour. 



Chiefly like Celtis, but with fleshy albumen, and thick narrow incurved 

 cotyledons. — Trees or shrubs. 



T. micrantha, Benth. & Hook. Shrub very leafy (10° -15° high), the 

 branchlets, &c. canescent ; leaves (T long) rigid, oval, serrate; flowers mi- 

 nute, in dense axillary cymose clusters ; drupe small, yellow, globose. 

 (Celtis pallida, Torr.) — Shell-mounds in Lastero Bay, South Florida ( Garber). 



Order CUPULIFERiE. 

 QUERCUS, L. 



Q. palustris, Du Koi. (Pm Oak.) Leaves long-petioled, oval, trun- 

 cate or abruptly acute at base, with broad and rounded sinuses, and 5-7 

 sparingly-toothed lobes, smooth on both sides ; cup shallow, with appressed 

 scales, enclosing tlie base of the nearly globular nut. — Mountains of Georgia, 

 and northward. — A middle-sized tree. Nut |' long. 



Order SALICACE^. 



SALIX, Tourn. 



S. fragilis, L. Leaves broadly lanceolate, acuminate, finely serrate, 

 white silky wlien young, glaucous beneath ; aments long, cylindrical ; bracts 

 hairy ; stamens mostly 2 ; capsule short-pedicelled. — Tennessee, and north- 

 ward. — A small tree. 



POPULUS, Tourn. 



P. monilifera, Ait. Branchlets obtusely angular; leaves deltoid-ovate, 

 acuminate, serrate (-3' -10' long); fertile aments long and slender; stigma 

 large, toothed ; capsule oblong-ovate. (P. Canadensis, Michx. P. laevigata, 

 Willd.) — River-banks, Florida, and northward. — A large tree. 

 55 



