STORES AGI! I CULTURAL EXrEEIMENT STATION. 567 



Saucer-shGiicd. Shaped like a saucer, shallower than cup-shaped. 



Scale. A small modified leaf seen in buds and cones. One of the dakes 

 mto which the outer hark often divides. ^.^ c oi Lue nai^es 



Scurfy. Covered with small bran-like scales. 



Sepal. One of the divisions of the calyx. 



Sessile. Without a stalk. 



Shruh. A low woody growth, smaller than a tree and generally branching 

 near the base. 



Smooth. Not rough nor hairy. 



Spray. The aggregate of smaller branches and branchlets. 



•Spur. A short, slowlj'-grown branchlet. 



Sta-})iens. The pollen-bearing portions of a flo"wer. 



Staminate. Having stamens; said of trees bearing only male flowers. 



Sterile. Not producing seed. 



Stipular. Similar in form or position to stipules. 



Stipnles. Two small letif-like bodies locate'l tit the base of the leaf-stalk 

 in some species. 



Stipule-scar. The scar left by the fall of a stipule (fig. 5). 



Stomata. Breathing piores in lea^'es. 



Stone-fruit. A fruit like that of the Cherry. The same as drupe. 



Strengthening cells. Thick walled cells present in the leaves of some of the 

 Pines. 



Striate. Longitudinally streaked. 



Submerged. Covered, as by the bark. 



Sucker. A shoot arising from below ground. 



Superposed huds. Accessory buds above the auxiliary bud, as in the Butter- 

 nut (fig.6). 



Surface-sectioned. Cut parallel to and near the surface. 



Teeth. — Small projections along the maj^gin. 



Terminal hud. The bud formed at the tip of a twig. 



Thorn. A stiff woody sharp-pointed projection. 



Top-shaped. Shaped like a top with the broadest part above. 



Tree. A woody plant, larger than a shrub, from which it cannot always be 

 distinguished. Usually defined as a woody growth, unbranched near the 

 base and reaching a height of at least fifteen feet. 



Triangular. Shaped like a triangle with the base below. 



Trunk. The main stem of a tree. 



Twig. A young shoot. Unless otherwise specified, used in the desci-iptions 

 to denote the growth of the past season only. 



Valvate. Said of buds in wdiich the scales meet without overlapping. 



Whorl. A cluster of three or more leaves or leaf-scars at a single node. 



Wing. A thin flat appendage. 



Woolly. Covered wdth tangled or matted hairs resembling wool. 



