EUPHORBIACEAE 781 
I. ALABAMENSES 
Evergreen shrub, with leaf-blades fe ee es ` 1. C. alabamensis. 
II. ARGYRANTH 
Perennial herb, the stem often branched at the ped leaves, 
beneath, and inflorescence silvery-scaly. 2. C. argyranthemus. 
II. FRUTICULOSI 
Shrub with slender branches: leaves with very slender . 
petioles, the blades of an ovate or elliptic type. 3. C. Berlandieri. 
IV. LINEARE 
Leaf-blades narrowly linear, glabrate above, oeque 
cent beneath. 4. C. linearis. 
Leaf- blades narrowly elliptie to broadly linear, stellate E 
above, white-pubescent beneath. 5. C. Fergusonii. 
V. GLANDULOSI 
Leaves with prominently toothed blades 
Calyx, and capsule, FID TOUS or merely with few short 
appressed stellate hair 6. C. floridanus. 
a and E USD pub cent with long hirsute or hispid 
anchin 
Leaf-blades E shallowly crenate to shallowly serrate. 
Se i one minutely punctate, dull: leaf-blades 
1. C. arenicola. 
Seed. oval or ovoid, smooth n ane leaf- 
. €. glandulosus. 
. C. miquelensis. 
(v 
^ 
Hn 
m 
ct 
(D 
o 
A 
o~“ 
Lar | 
[t] 
OR 
ete 
PS 
un 
O 
rj 
H 
to 
c 
«o0 
Lower ‘eaves with lanceolate, oval, or ovate blades : 
sepal 
s not hooded. 
Petioles long: tomentum of inflorescence pur- 
lish. 10. C. capitatus. 
Petioles short: tomentum of inflorescence yel- 
‘lowish. 11. C. Engelmannii. 
Lower leaves with linear or linear-lanceolate blades: 
sepals hooded. 12. C. Elliott. 
p flowers early drooping from the base of the 
13. C. monanthogynus. 
VI. PUNCTATI 
Plant perennial, more or less woody: leaves stout pe etioled. 14. C. punctatus. 
Plant annual, herbaceous: leaves with slender petioles. 15. C. texensis. 
1. C. alabamensis E. A. Smith. Shrub 2-3 m. tall: leaf-blades evergreen, 
e to elliptic-lanceolate, 5-8 cm. long, green and glabrate above, elothed 
ben with silvery pipiens er: scales 
—2 
mm, i pom scaly 
without; du edd 5: rs sule euren lon 
us oval, long.—River rbluffs of 
sue, Tus ie and Bibb 
and li 
pu d. ia Plateau, Ala.—Spr. 
C. argyranthemus Michx. Perennial 
and 3-6 dm. tall: leaf-bl ades sone i LEI 
oval, ig elliptic to elliptic-lanceolate above, X:&w 
1-5 em. long, blunt, scaly or glabrate oe 
clothed uu silvery seales beneath: 
nate flowers often 10—15; a ual lanceolate, 
sta 
0; filaments swollen in the puso: or istillate flowers few; sepals partly 
united, acute; capsule globular. or Meu rau about 5 mm. long: s seed less 
than 5 mm. long.—Sandhills and pin elands, Coastal Plain and SW provinces, 
Fla. to Tex. (N. M.?) and Ga.—Sum 
