SALICACE^. 649 



or 4, 2 - 8-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 

 6, dark red. — Key West ( Curtiss), introduced. 



Oedee ULMACE^. 



ULMUS, L. 



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

 smooth above, downy beneath ; racemes slender; fruit large. — Blver-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 (!' long) rigid, oval, serrate ; flowers mi- 

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

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



Ordee CUPULIFER^. 

 QUBRCUS, L. 



Q. palustris, Du Roi. (Pin 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 sliallow, with appressed 

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

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



Oedee SALICACEJE. 



SALIX, Tourn. 



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

 white silky when 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, 

 WiM.) — Kiver-banks, Florida, and northward. — A large tree. 

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