The Trees of Texas 145 
2. Nyssa aquatica (l.). Gum. A large, narrow topped 
tree with dark brown, fissured bark and reddish brown twigs. 
Leaves thick, firm, ovate to elliptic, pointed at the apex, entire 
or with angular teeth on the margin, dark green and lustrous 
above, paler and hairy beneath. Flowers dioecious, the stam- 
inate in clusters, the pistillate solitary. Fruit a purple drupe. 
In swampy places Virginia to Missouri, Florida and Texas. 
In Texas it extends to the valley of the Nueces River. 
SVIDA Ofiz. Cornel. Dogwood. 
Svida stricta (Lam.) Small. Stiff Cornel. Usually a shrub 
but sometimes a small tree with stiff ascending branches, thin 
gray bark and reddish twigs. Leaves opposite, elliptic, oval 
to ovate, long pointed at the apex mostly entire, margined 
somewhat hairy on both sides. Flowers perfect in terminal 
clusters. Fruit a pale blue subglobose drupe. 
In swampy places Virginia to Missouri, Florida and Texas. 
CYNOXYLON Rafinesque. 
1. Cynoxylon floridum (L.) Raf. Flowering Dogwood. A 
small round topped bushy tree, 15°-25° high with dark scaly 
bark, reddish gray branches. Leaves elliptic to oval, 3’-6’ 
long, 114’-2’ wide, with prominent curved primary veins, hairy 
on both sides, pointed at the apex. Flowers in dense clusters, 
surrounded by a showy involuere consisting of four white 
bracts. Fruit ovoid red drupes borne in clusters. 
In woods, Massachusetts to Ontario and Missouri south to 
Florid2, Texas and Mexico. A very popular ornamental tree 
throughout its range. 
ERICACEAE De Condolle. The Heath Family. 
Arbutus (Tournefort) L. Madrona. 
Arbutus texana Buckley. Texan Madrona. A shrub or 
small evergreen tree 20° high with short, much branched trunk, 
furrowed, brown bark and red twigs. Leaves ovate to ob- 
long, 1’-3’ long, 2/3’-114’ wide, thick, and mostly entire or 
10—Trees 
