857 858 



a broad base to a sharp point, versatile, attached by a point so that 



Buckers, shoots from subterranean it may swing to and fro. 



branches. verticil, a whorl. 



suffrutescent, somewhat woody or vespertine, appearing of expanding 



shrubby at the base. in the evening. 



Bulcate, grooved longitudinally, virgate, having a glutinous surface. 



superior, above. Wedge-shaped, broad above, tapering- 



suture, the line of junction of con- to the base by straight lifted. 



tiguous parts grown together. whorled, arranged in whorls Of cir- 



sympetalous, petals united. cles. 



tawny, dull yellowish, with a tinge of - - 



brown, Genus ALJTtS Tonttiefort. 



tendril, a thread-like organ used in Shrubs or trees with dentate or serrU- 



climbing. j t , both stam j nate & pistillate fls 

 terete, cylindrical, 



lernate in 3's ln aments tne staminate pendulous; the 



testa, the outer seed coat. pistillate erect, clustered: staminate fl3 



throat, the expanded portion between 3-6 in each ax, consisting of a mostly 4- 



the lobes and the proper tube in part ed perianth, 1-4 sta & subtended by 



panicle of cymes. woody, persistent, 5-toothed or erose* 



torus, the receptacle of the flower, nut sm, compressed, winged or wings i. 



trifid, 3-cleft. ALNUS RHOMBIFOLIA Nutt 



trifoliolate, with 3 leaflets. Branches slender, dark brown, scarce- 



SSriTi ^ t' y off -at ng r top. I? do'ted; 1 slight pubescent beneath, 



tuberculate, bearing little pimple-like smoOthish above, ovate or obovate to 



bodies. ovate-oblong. 2-3 incheslong rounded, at 



tunicate, coated, as an onion. summit or acute, cuneate at base, irreg 



turbinate, top^shaped." glandular-denticulate; fr'ng aments ob- 



umbel. an inflorescence in which a f 



number of pedicels of nearly lon ^ 8 h lon &. bracts rather thm 



equal length spring from the above; nutlets a li long, very broadobo- 



same point. vate with a thickened margin, 

 Umbellate, in umbels. 



unarmed, destitute of thorns or G * ItWlWI Toarnefort. 



spines, etc. Large trees with soft light wood: buds 



uncinate. hook-shaped. varnished with a fragrant resin: leaves 



S5s^r?sr** or wavy> broad ' r tioles i ong ' ofien com r sse ? 



unisexual, having stamens or pistils vertically, A glandular: aments lateral, 



only. expanding before the leaves, cylindric; 



urceolate, urn-shaped. brae's lacerately fringed; ex an oblique, 



Utricle, a small thin-walled, 1-seeded discoid cup> its margin ent i re : sta 8-30: 



vafve lt one of the pieces into which a ova superior; sty very short, bifid; stig 



dehiscent fruit splits. large, 2-lobed; cap 2-valved, 2-celled. 



valvate, opening by valves; in aesti- Latin: populus the people, being oiten 



vation when the parts just meet O n the highways. Aspen, Cottonwood. 



and do not overlap. POPrLUS FREMONTII S. Watson. 



venation, the veining or leaves. ^ . , , , , , f . , * 



ventral, the ooposlte of dorsal. Tree wlth a broad hd of wlde s f )repd ' 



ventricose, inflated on one side. ing branches. 6-15 m hi; Ivs deltoid-or- 



verrucose, warty. bicular, 4-10 cm long, somewhat broad* 



