57 
4. Mortonia. Flowers perfect, 5-merous: calyx obconic: anthers subglobose and 
mucronulate: style 5-lobed: ovary 5-celled, becoming an oblong dry 1-celled 1-seeded 
fruit. 
1. EUONYMUS Tourn. (SPINDLE-TREE.) 
Shrubs or small trees, with incurved-serrate ample leaves, rather 
few-flowered dichotomous axillary eymes on elongated peduncles, and 
in ours greenish flowers and fruit rough with crowded acute warts. 
1. E. Americanus L. (STRAWBERRY BUSH.) Low shrub: leaves 3.5 to 7.5 cm. 
long, ovate or ovate-lanceolate, acuminate, crenate-serrate, mostly glabrous: pedun- 
cles 1 to 3-flowered: flowers 6 to 12 mm. in diameter: fruit not deeply lobed.—An 
Atlantic and Gulf State species extending into Texas, but whether it reaches our | 
eastern limit is uncertain. 
2. MAYTENUS Molina. 
Shrub or small tree, with coriaceous entire leaves, and small flowers 
solitary or clustered in their axils, 
1. M. phyllanthoides Benth. Glabrous: leaves thick, dull, short-petioled, obo- 
vate-cuneate or cuneate-spatulate, rounded or emarginate at apex: flowers very 
short-stalked: fruit contracted at base or substipitate.—Along the Mexican side of 
the lower Rio Grande and presumably in adjacent Texas, 
3. SCH/ZFFERIAa Jacq. 
Shrubs or small trees, with firm glabrous leaves, and small flowers 
clustered in their axils. 
1. S. cuneifolia Gray. Shrub with rigid somewhat spinescent twigs: leaves cori- 
aceous, 12 mm. long, spatulate-cuneate, subsessile, rounded or emarginate at apex, 
entire or slightly crenate-lobed above, rugose-veiny: flowers sessile: fruit 4 mm. 
long, flattened, grooved on each side.—From the Nueces to the Rio Grande and west 
to the Pecos. 
4. MORTONIA Gray. 
Shrubs, with small thick entire crowded leaves, and small flowers 
clustered at the ends of the branches. 
1. M. sempervirens Gray. Twigs and inflorescence pubescent: leaves small, 4 
to 6 mm. long, smooth and glabrous, elliptical, obtuse to subacute, very short-peti- 
oled: pedicels bibracteate close to the flowers, the bracts obtuse: fruit oblong, 2 by 
6 mm.—From the San Felipe to the Pecos. 
2. M. scabrella Gray. Like the last, but leaves often twice as large, elliptical 
or round-elliptical, obtuse or stout-pointed, papillate-roughened.—On craggy lime- 
stone hillsides from the San Pedro to New Mexico. 
3. M. Greggii Gray. Twigs and inflorescence pubescent: leaves longer, 12 to 25 
mm. long, spatulate to oblong, tapering to a short petiole, mucronate or acuminate, 
glabrous: bracts acute: fruit shorter and thicker.—A Mexican species of limestone 
hills and extending into Texas, 
RHAMNEZA. (BUCKTHORN FAMILY.) 
Shrubs or small trees, with simple undivided leaves, small and often 
caducous stipules, small flowers that are sometimes polygamo.-dicecious 
and often apetalous, a conspicuous disk lining the calyx-tube, valvate 
