THYMELEACE/E— MEZEREUM FAMILY 



LEATHERWOOD. MOOSEWOOD 



Dirca paliistris. 



Dirca is the name of a fountain of ancient Thebes. Leath- 

 erwood refers to the tough, fibrous bark. 



Much branched, two to six feet high, found mostly in wet, 

 shady places. Ranges from New Brunswick to Virginia and 

 westward to Minnesota and Missouri. Juices acrid, producing 

 nausea. 



Stem. — Twigs yellowish green, smooth ; bark of mature stems 

 golden brown ; inner bark tough, fibrous, and of great strength. 



Leaves. — Alternate, simple, two to three inches long, one and 

 one-half wide, oval or obovate, wedge-shaped at base, entire, 

 obtuse at ai)ex ; midvein and primary veins depressed above, 

 prominent beneath. They come out of the bud involute, pale 

 yellow green, downy, when full grown are pale yellow and 

 smooth. In autumn they turn a clear yellow. Petioles short ; 

 the bases conceal the buds of the next season. 



Flowers. — Ai)ril, before the leaves. Perfect, light yellow, 

 borne tliree or four in a cluster, from a bud of tliree or four dark 

 hairy scales, which form an involucre, from which soon after pro- 

 ceeds a leafy branch. 



Calyx. — Corolla like, tubular, funnel-shaped, truncate, the 

 border wavy or obscurely four-tootlied. 



Corolla. — Wanti ng. 



Sfaniens. — I'j'glit, in two rows, inserted on the calvx-tube, 

 above tlie middle, exserted, the alternate ones longer ; fihnnents 

 very slender ; anthers large, ovoid. 



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