292 



WEEDS A^O) USETUL PLANTS. 



1. UL'MUS, L. Elm. 



[An ancient Latin name : of obscure etymology.] 



Calyx membranaceous, tm^ljinate-campamilate. -i-Q-cleft. Stamens as 

 many as the lobes of the calyx. Ovary compressed, ovate. 2-celled. with 

 a sinu'le ovule suspended from the summit of each cell : sfi/es 2. diverg- 

 ing, stigmatose on the inner side. Samara membranaceous, compressed, 

 vringed all round, by abortion 1-celled and 1-seeded. Albumen none ; 

 embryo straight : the cotyledons large. Floicers purplish-bro^ in lat- 

 eral clusters preceding the leaves. 



1, U. America'na, L. Leaves ovate, oblong, smooth above, very un- 

 ec|ual at base, rather simply serrate. — the serratures uncinately acumi- 

 nate : flovrers conspicuuusly pedicellate, in loose fascicles ; samara oval, 

 densely villous-ciliate on the margin. 



^Vmeeicax Ulmus. White Elm. Weepmg Elm. 



stem, 60-80 feet or more in lieiglit, and 2 - 3 or 4 feet in diameter ; branches long and 



spreading, or oftoR rath'^r droopina'. Leave? 3-5 inches in length, acuminate : petwles one 

 fo'arth to'h'x'.f : ' n /, smooth. Styles pubescent, nearly white. 



Samara Q'l^. - .i>2 styles — the segments incurved so as 



to leave a:. - ; : - - : margin densely fringed with soft white 



hairs. 



Bants of streams, borders of swamps, ic: throughout the United States. i^Z. April. 

 Ft. Jime. 



05.5. This fine large tree is the species so much cultivated as a shade 

 tree in Xew England. The noble avenues of Elms at Xew Haven, 

 Conn., are the admiration of all visitors : and nothing is required but a 

 little attention at the proper season, to have every village in the land 

 similarly adorned. "VThy will not the people of all our American towns 

 and villa2'es learn to do that much for the sake of taste and their own 

 future comlort ? 



2. U. ful'va, ^J^-C. Leaves oval or obovate-oblong, conspicuously acu- 

 minate, very scabrous above, rather unequal and somewhat cordate at 

 base, doubly serrate ; buds clothed with a fulvous t omentum ; flowers 

 in dense subsessile fascicles ; samara orbicular, naked on the margin. 

 Tawxy XJLirrs. Slippery ELm. Red Elm. 



stem 30-50 feet high, and 12-18 inches in diameter : branches virgate. Leaves 4-6 or 



8 inches l-^r^^ — :h-^ up^^'f-r s'lrfaoe remarkably rough, the 'under surface tomentose-pubes- 



cent, esp'" ' _ 'n: 'r'b and nerves : pdioUs about one third of an inch long, 



pubesceni, - < ■ ;tbout T-cieit : L.b-:s obta;:-. clothed and ciliate with'a 



red.i:=:i-r V - > ; often 7, much exserted. glandular-pubescent, 



pur: .u./U. on a slenaer pc-:i:cel the length of the calyx, cleft at 



ap- :. - ■ so-rmc-nis acuminate and so incurved and over-lajiped as to 



giv'_ ..- auce of being entire at apes. 



Rich iov.- gru'onls, ie:.ce-rows, sc.: throughout the United States. Fl. April. Fr. .June. 



Obs. The inner bark of this species contains a large quantity of mu- 

 cilage. — which has caused it to be added to the materia yncdica in our 

 shops. The military on the Canada frontier, during the last war. fed 

 their horses with it. when destitute of the usual fora^-e. and found it a 



