ht. 8 5. Mackensiana (Hook.) Barrgtt. Shrub or small tree with usually elongate 
i ita eae 
yellowish or brownish glabrous branches, leaves qanmmmiiaimegiay oblong y Commonsy 
6-12 cm. long, 2-3.5 em. wide, tapering rather abruptly above the middle to a ’ 
sharp point, rounded or even cordate at the base, finely glandular-serrulate 
maugems, glabrous above, glaucous beneath; petioles commonly 8-12 mm. long; 
stipules oouspLouous, usually kidney-shaped and clasping; catkins ppearing wi 
PparrAsy = 0s 
$p,borne on very short leafy branchlets, the staminate 2-35.5 om. long, | 
pistillate rather lax, commonly 4-65 cm. long; stamens 2 with glabrous filamenta 
practs obovate, thinly pubescent on the outside, densely so within; pedicels 
2.5-4 mm. long; capsules glabrous, 4.5-5.5 mm. long, the style about .5 mm. 
longe 
Common along streams and lake shores and in swampy places. 
4a 
