FAM. 51, 52. 45 



to oblong, glaucous beneath; bracts of the staminate amenta finely pubes- 

 cent; capsules about 3 times as lonij as the pedicels. Wet ground. 



S. Babylonica ipendula), Wet ping-willow, and other species of Salix are planted 

 for ornament. 



61. Corylaceae, Ilazd-nut Family. 



Monoecious shrubs and trees with alternate simple 

 leaves; staminate aments drooping; pistillate aments short, 

 erect or ascending; fruit consisting of accrescent bracts 

 with 1-3 nuts. 



Small tree or shrub with a pale smooth bark and flowers before the leaves; 

 staminate amjnts solitary, stamens 3-2) on a broal scile; pis- 

 tillate aments terminal, pistils 2 at the base of a scale; nut ovoid, 

 seed solitary. - -- ... .__ Carpinus 



C. Caroliniana, Hornbeam, Blue Beech. Bark blue-gray; leaf oblong, smooth. 

 Hammocks. Spring. 



62. Fagaceae, Beech Family. 



Monoecious shrubs or trees; alternate leaves simple, 

 entire, toothed or lobed; sterile flowers in aments, peri- 

 anth of 4-7 partially united parts, stamens 4-20 with dis- 

 tinct filaments; fertile flow r ers solitary or several in aments, 

 perianth of 4-8 partially united parts; ovary 3-7 celled, 

 adnate to the perianth; styles and stigmas as many as 

 there are cells in the ovary; fruit a 1-seeded nut in a scaly 

 or spiny involucre. 



Besides the Beech, Fagus, this family has the following genera: 

 1. Staminate aments erect, stamens 10-20, styles 6, nuts 1-3 included in a 



spiny involucre or burr. -------- Castanea 



C pumila, Chinquapin. Shrub or tree with smooth bark; the petioled leaves 

 oblong or obovate, sinuate-toothed, glabrous above and white-toraentose 

 beneath; nuts 1, rarely 2. in a burr. Dry sandy soil. Late Spring. 

 1. Staminate aments drooping, stamens 6-12. styles 3, nut seated in an 

 involucre of imbricated scales, or cup; nut and cup called acorn. 



Quercus, Oak 

 a. Leaves or their lobes bristle-tipped; fruit often pubescent insi ie. - - b 



a. Leaves or their lobes without bristles (except on shoots), fruit 



often glabrous inside, _-_-_-__-h 



b. Lmth deciduous, sometimes almost persistent, ----- c 



b. Leaves evergreen; — shrub or small tree with smooth bark; the 

 leathery leaves small, obovate or oval, entire, or sinuate-toothed 

 on the shoots; acorns sessile or nearly so; nut dark brown, often 

 striate. On sandy ridges along the coast. 



Q. myrtifolia (arenaria), Myrtle Oak 



c. Leaves little or not at all dilated at the apex, not lobed except 



on shoots, sometimes with one or a few teeth near the apex. - - f 

 c. Leaves dilated upward, 3-lobed near the apex, ----- e 

 c. Leaves pmnatifid or pinnately lobed, green and glabrous on both 



