WILLOW FAMILY 



20. Salix glauca L. Northern Willow. 

 (Fig. 1192.) 



i.i- glauca L. Sp. PI. 1019. 1753. 

 A low arctic shrub, with terete brown twigs, the 

 >-oung shoots and leaves densely totnentose, becom- 

 ig glabrate when old. Leaves elliptic or elliptic- 

 iceolate, entire, obtuse or acute at the apex, iiar- 

 at the base, 1'-$' long, l / 2 '-i' wide; petioles 

 '-$" long; stipules deciduous; ainents borne on 

 lort leafy branches, the staminate dense, about i ' 

 jng, the pistillate *'-$' long in fruit, rather loose; 

 aniens 2; filaments distinct; scales persistent, 

 lensely white-villous; capsule ovoid-conic, densely 

 rhite-tomentose, sessile or very short-pedicelled, 

 " long; style about as long as the stigmas. 



Arctic America from Labrador to Alaska. Also in 

 rctic and alpine Europe and Asia. Summer. 



21. Salix Candida Fluegge. Hoary Willow. (Fig. 1193.) 



Salix Candida Fluegrge; Willd. Sp. I". 4 ; - !-' 

 An erect shrub, 2-5 tall, the older twig* red 

 or purple and terete, the younger densely white- 

 tomentose. Leaves persistently whitc-tomentose 

 beneath, green and loosely tomentose or becom- 

 ing glabrate above when mature, oblong or oblong- 

 lanceolate, thick, sparingly repand-denticulate or 

 entire, acute at both ends or the lower obtuse at 

 the apex, 2'-4' long, 3"-8" wide, their margins 

 slightly revolute; petioles i>"-2" long; stipules 

 lanceolate-subulate, about equalling the petioles, 

 deciduous; ainents expanding before the leaves ( 

 dense, cylindric, the staminate about i' long, the 

 pistillate i / -2'longin fruit; bracts villous, persist- 

 ent; stamens 2; filaments glabrous; style filiform, 

 red, three times as long as the stigmas; capsule 

 ovoid-conic, acute, densely tomentose, a #"-3" 

 long, very short-pedicelled. 



In bogrs, Labrador and Hudson Bay to tin- N"rth 

 wist Territory, south t<> N 



York and Iowa. Hybridizes with .<v pttiolaris9\\<\ .V. 

 cordata. May. 



-22. Salix viminalis L,. Osier Willow. 

 (Fig. 1194.) 



ilix viminalis L. Sp. PI. 1021. 1753. 

 A small slender tree or shrub, with terete 

 green twigs. Leaves elongated-lanceolate or 

 linear-lanceolate, long-acuminate at the apex, 

 sparingly repand-crenulate or entire, revolute- 



largined, short-petioled, dark green and gla- 



rous above, persistently silvery-silky beneath, 

 5 / -6 / long, 2 // -S // wide; stipules narrow, decidu- 

 sus; aments expanding before the leaves, dense, 

 the pistillate 2 / ~3 / long and nearly %' in diam- 

 eter in fruit; stamens 2; filaments glabrous; style 

 longer than the stigmas; capsule narrowly ovoid- 



snic, acute, silky-pubescent, about 3" long, 

 very short-pedicelled. 



Cultivated for wicker-ware and occasionally e- 



iped into wet places in the Eastern and Middle 

 js. Native of Europe and Asia. April-May. 



