MYRICACEAE. 11 



6. H. glabra (Mill.) Britton. Tree becoming 60 m. tall, the bark close, in 

 flat ridges: leaflets mostly 3-7, the blades of the lateral ones oblong or oblong- 

 lanceolate, 7-15 cm. long, acuminate, green beneath, glabrous: staminate 

 aments 6-10 cm. long: fruits subglobose, obovoid or pyriform, 3.5-5 cm. long, 

 the husk thinnish: nut angled, thick-shelled, the seed astringent. 



The Pig-nut grows in rich woods and on dunes throughout Florida as far south 

 as the Everglade region. The brown heart-wood is hard and tough. Also known 

 as Broom-hickory. (Cont.) 



Order LEITNERIALES. 



Shrubs or trees, with exceedingly light wood. Leaves alternate. 

 Flowers dioecious, in aments appearing before the leaves, the staminate 

 flowers borne on the base of each bract : perianth wanting : androecium of 

 3-12 stamens : pistillate flowers each with a minute perianth : gynoecium a 

 single carpel, the stigma introrse. 0\-ule solitaiy. Fruit a collection of 

 drupes each subtended by a bract. 



Family 1. LEITNERIACEAE. Corkwood FA:MiLr. 



Bark smooth, brown. Leaf-blades entire. Stipules wanting. Aments 

 from the axils of last year's leaves. Staminate aments many-flowered: 

 filaments short: anthers 2-celled. Pistillate aments few-many-flowered: 

 ovary sessile: stigma elongate. Drupes elongate. 



1. LEITNERIA Chapm. Leaves scattered: blades shining above, petioled. 

 Staminate aments conspicuously bracted: filaments distinct. Pistillate aments 

 inconspicuously bracted: ovary shorter than the stigma. Drupes glabrous, 

 the flesh leathery. 



1. L. floridana Chapm. Tree becoming 7 m. tall or shrub: leaf-blades nar- 

 rowly elliptic, oblong, or elliptic-lanceolate, or rarely oval, 10-20 cm. long, 

 pubescent beneath: staminate aments 3-4 cm. long, the bracts acuminate: 

 pistillate aments with acute bracts: drupes elliptic, 15-17 mm. long. — "Winter 

 & spr. 



The Corkwood grows in salt or brackish swamps near Apalachicola. The pale- 

 yellow wood is close-grained, but soft and very light. It is the lightest wood in 

 North America. (Cont.) 



Order MYRICALES. 



Shrubs or small trees, usually aromatic. Leaves alternate: blades 

 simple, sometimes toothed or pinnatifid. Flowers dioecious or monoe- 

 cious, the staminate in long aments, each flower consisting of a g-jaioeeium 

 of 2 united carpels on a bract subtended by 2 bractlets and surrounded by 

 2-8 scales. Stigmas 2. Ovule solitaiy. Fruit a nut, the epicarp often 

 waxy. 



Family 1. MYRICACEAE. Bayberry Family. 



Leaves resinous-dotted. Staminate and pistillate flowers in scaly 

 aments. Perianth wanting. Ovary 1-celled. 



1. CEROTHAMNUS Tidestrom. Trees or shrubs. Leaf-blades entire 

 or merely toothed. Pistillate aments not bristly. Nut globose, drupe-like, 

 with a fleshy-waxy epicarp. — Winter & spr. — Bayberry. 



Stamens 3 or 4 : nuts 2-3 mm. in diameter. 1. C. ceriferus. 



Stamens 9 or 10 : nuts 5-7 mm. in diameter. 2. C. inoilorus. 



