SALICACE.E. 32 ( J 



1. A. tncana, Willd. Black Alder. 



Leaves broadly oval or ovate, rounded at the base, sharp ly serrate, often ooamdy 

 toothed, white and mostly downy underneath ; stipules oblongdanceolate ; fertile 

 ammls oral ; fruit orbicular. 



Banks of mountain Btrea»ns, common. A shrub 8 to 20 feet high, with smooth 

 brown bark. Fertile a.nents usually 4 to 5 in a paniculate raceme. 



2. A. serrulata, Ait. Common Alder. Smooth Alder. 



Leaves obovato, acute at the base, sharply serrate with acute teeth, thickish, 

 Bm > ;'» ve\ I - ■> m on both Sides, a Little hairy on the veins beneath; stipules ovs\ ; 

 fertile aments ovoid oblong; fruit ovate. 



Borders of ponds and sfcreanY^, common. A well known shrub 6 to 12 fjet high, 

 growftifin clumps. L> ives 2 to i inches Ion.; and % as wide, strongly vein"!. 

 , 2 to 3 inch9S long, slender, pjuiulous; the fe.tile ones short, thick, dark 

 persistent. 



Order 106. SALIOAOEJE.— Willow Family. 



Dioecious trees or ehruht, with alternate undivided leaves, the fertile and sterile 

 fiiioers in aments, one under each brazt, entirely destitute of calyx or corolla; the 

 fruit a \-cclled and 2-valved capsule, containing numerous seeds clothed with a lor.j 

 silky down. Ovary 1-cellsd or imperfectly 2-celled; styles 2, very short, or more 

 or less united, each with a 2-iobcd stigma. m 



1. SA-LIX, Tourn. Willow. Osier. 



Celtic, sal, near, and lis, water ; alluding to their usual locality. 



Dicesious. Aments cylindric, with entire imbricated 

 ecales. Sterile flowers of 2 to 6 stamans, aeeompan 

 with 1 or 2 little glands. Fertile flowers with a sum";. 

 fiat gland at the base of the ovary on the inner side; STIG- 

 MAS short. — Trees or shrubs, general'?/ growing along streams, 

 with round and flexible branches, mostly long and pointed 

 leaves, entire or glandidarly-toothed, and terminal and lateral 

 aments appearing before or with the leaves. 



Ssc. I. Aments lateral and sessile, appaaring before the leaves. Shrubs or small 

 trcs. 



* Leaves entire or ohscurjUy wavy toothed; amntsovjid or shyrt-eylir.Jrical, small ; 

 Stigmas 2 cleft. 



1. S. Candida, Willd. Iljanj or Whitedeaved Willow. 



Leav63 narrow-lanceolate, acuminate, or the lowest obtus», pubescent above, 

 white-tomento^e beneath; stipules sm\li, lanceolate, toothed; a wcttis oblong-cylin- 

 drical, closely flowered ; cvarj/densely woolly; style distinct. 



Bogs in shady woods, rare. April, May. A shrub 2 to 5 feet high with reddish 

 twigs, smooth and shining at maturity. leaves 8 to 12 inches long, 1 to 2 wide 

 Aimnts about an inch long, dense on short peduncles. 



2. S. tristis, Ait. Dwarf Gray Willow. 



Leaves wedgedanceolate, almost sessile, pointed, or at the lower obtuse grayhh- 

 troolly on both sides, the upper Bide at maturity nearlv smooth; stipules emull. 



M2* 



