I 
' ^ L. Spuege. 
Flowers monredous, destitute of calyx and corolla; the single pistillate and 
several mon^drous staminate ones included in a cup-shaped or top^shaped 4 - 5 
toothed mvolucre, which has commonly thick and often colored gfands^^between 
see^d 3-celled: cjpels 2^^ 
l-seeded—A polymorphous genus of plants with acrid miiky juice. 
§ 1 . Leaves without stipules. 
Stem erect umhetkMy tranched above: involucres solitary, terminal and in the 
wUrM ^ ’’■f ^ ^ alternate, those of the branches opposite or 
- Glands of the invdmre 5, with wMte petal-like appendages: haves entire: peren- 
nials. 
thr-'n f Stem smooth or pubescent; branches 4-6, twice or 
ttece forking mostly short and fastigiate; leaves thick, oblong- or oval, obtuse, 
pwe^and mostly hairy beneath; involucres pedicelled; appendages of the (green) 
glands orbicular, showy ; capsule and seed smooth. (E. paniculata, Ell.) — Var. 
ANGUSTiroLiA, EIL Stems slender ; branches mostly 3, forking, elongated 
spreading; leav^arying from linear to obovate ; involucres small, scattered,- 
appendages of the glands transversely oblong. — Dry rich soil, Florida to Mis- 
sissippi, and northward ; the var. in sandy pine barrens. July - Sept. — Stem 
10-2° high. * * 
2. E. diseoidalis, n. sp. Smooth or pubescent ; branches commonly 2 
divaricate, forking; leaves linear, obtuse, ^ith the margins revolute; involucres 
on slender pedicels ; glands deep red, bordered by the narrow appendages ; 
seeds obovate, pale, minutely pitted. — Dry sandy pine barrens near the coast’ 
West Florida. Aug. -Oct. Plant 6'- 18' high; the stem much shorter than 
the branches. Leaves 2' - 3' long, 1" - 2" wide. Involucres scattered. 
3. E. Curtisii, Engelm. Smooth; stems filiform; branches mostly 3, 
erect, sparingly divided ; leaves thin, linear or linear-oblong, obtuse, short-peti- 
oled, spreading or recuiwed; involucres minute, scattered, on long capillary 
pedicels I glands green, margined by the white crenate appendages ; capsule 
erect, short-stalked, round-angled; seed globose, smooth. — Low pine barrens, 
Florida to North Carolina. Aug. — Plant 6' -9' high, sometimes branching 
from the base. Leaves i'-li' long. 
•i- -1- Glands of the involucre 5, without appenddges. 
Anngals. 
4. E. eommutata, Engelm. Smooth; stems erect or ascending, umbel- 
lately or alternately brafiched; leaves thin, obovate, entire, the lower -ones peth 
oled, those of the branches round-kidney-shaped, sessile- involucres nearly 
sessile, shorter than the floral leaves; glands crescent-shaped or 2-horned; cap- 
sule smooth, round-angled; seeds ovoid, pitted. — Dry soil, Aspalaga, Florida, 
and probably elsewhere, previously confounded with E. Peplus, L. which has a 
wing-crested capsule. - Stem *6' - 12' high. Leaves i'-l' long. Plant pale 
green. 
5. E. Obtusata, Pursh. Smooth; stem erect; branches 3-5; leaves 
sessile, serrulate, obtuse ; those of the stem wedge-oblong, of the branches ovate • 
involucre nearly sessile; glands oval; capsule round-angled, warty; seeds 
smooth. (E. Helioscopia, £://.?)- Shady woods, South Carolina, and north- 
ward. July-Sept. — Stem lo high. Leaves 1 ' long. 
^ 6. E. Darlingtonii, Gray. Stem tall; branches 5-8, forking - leaves 
entire, slightly pubescent beneath; those of the stem oblong, of thelbranches 
oval or roundish, obtuse, truncate at the base ; involucres nearly sessile ; glands 
obliquely oval ; capsule obscurely warty ; seeds smooth. — Mountains of North 
Carolina, and northward. July. — Stem 2° - 4° h'-’- 
7. E. Floridana, n. sp. Smooth; stem erect; branches 3-4, forking; 
leaves entire, sessile ; those of the stem linear or linear-lanceolate, mostly acute’ 
reflexed; of the branches cordate-ovate, clasping, acute; involucres short-pedi- 
celled, green, with the ovate lobes nearly entire, much shorter than the truncate 
crenate stalked glands ; capsule acute-angled, and, like the seeds, smooth. -Drv 
34^ 
402 EUPHOEBIACEiE. (SPURGE FAMILY.) 
pine barrens. Middle Florida. June -Aug. — Stem 1° -2° high. Branches 
the more sterile plants successively forking and widely spreading. Leaves 1'- 
long. f 
8. E. inundata, Torr. Smooth ; stem erect, 3-branched or alternafl 
branched from near the base, few-flowered ; leaves erect, lanceolate, entire acu 
sessile ; those of the branches oblong-ovate, clasping; involucre long-peduncl 
reddish, the pubescent lobes 3-toothed ; glands orbicular, peltate, enjire ; capsul 
acute-angled, smooth, like the globose seed. — Pine-barren swamps. Florid 
April -June. — Stems 6' -12' high, from a thick woody root. Leaves 2'- 
long. 
9. E. telephioides, n. sp. Smooth and somewhat fleshy ; stem thick 
branches 3, short, forking ; leaves of the stem large, oblong-obovate, obtus 
erect, with membranaceous margins ; those of the branches small, ovate, clasj 
ing; involucre purple, slender-stalked, the lobes ovate, entire, ciliate, incurved 
glands peltate, roundish, entire; capsule acute-angled, smooth ^ seeds smooth. - 
Low sandy pine barrens near the coast, West Florida. May and June — Plar 
light-green, 2' - 5' high. Stem-leaves 2' - 3' long, often longer than the branchei 
Floral leaves 4" - 6" long. 
* * Stem erect, successively forking : leaves commonly opposite : involucres in theforh 
dark purple: glands 5, without appendages : perennials. 
10. E. IpecaeuanhSB, L. Stems several from a long perpendicular root 
slender, commonly forking from near the base ; leaves of the stem and branchei 
similar, opposite, or the lowest rarely alternate, entire, Obtuse, varying from lin 
m to round=obovate, short-petioled ; peduncles slender, mostly longer than thi 
leaves; involucre small; capsule slender-stalked, nodding, round-angled - seed] 
minutely pitted. -Dry sandy soil, Florida to Mississippi, and northward. Mat 
and June. — Stem 2' - 12' high. Leaves - 1' long. 
11. E. nudicaulis, n. sp. Smooth; stems slender, forking above ; leaved 
minute (^" long), oval or obovate, the lowest alternate, those of the branche 
opposite; involucres minute, on short peduncles ; glands top-shaped. - Low pin 
barrens, near St. Josephus, West Florida. June.— Stems 1° high. Capsu' 
and seeds unknown. 
f * * Branches and leaves alternate : involucres terminal, clustered or single : glan 
without appendages. 
12. E. eyathophora, Jacq. Annual, smooth ; stem erect, branching froiJ 
e ase; branches elongated, leafy at the summit; leaves petioled, oblong, I 
e-shaped, toothed.^oren^the uppermost deep red at the base; involucr^ 
• clustered, short-stalUa»i^i„ci|?riobes and a single -glmriVSlil^otl 
see s globose, wart^ _ Var. graminifolia (E. graminifolia, MuM.) ^IKeaw 
a l linear and entire. -South Florida, and around dwellings, appareSly into 
faced. May-Oct. - Stem 1°- 20 high. Leaves 2' long. « 
■, H. B. K. Shrubby ; stem irregularly much branch^ 
small, imbricated, oblong-obovate, acute, obscurely crena?5 
shorf^ f solitary , top-shaped, sessile ; glands 5, peltate ; capsule smooth,' 
short-stalked. - South Florida. - Stem low. Leaves 3«-4" 1^ 
EUPHOKBIACBiE. (SPUEGE FAMILY.) ^ 
^ 2. Leaves stipulate, all opposiU : glands of the involucre 4 ; amuah. 
* Stems erect or ascending : seeds i-angled, transversely rugose.^ 
li E hVDerieifolia, L. Smooth throughout; stem (J°-l°high) erect; 
Ss involneres in dense lateral long-pednncled cy-ose cluster ; 
fleshy, nearly sessile, / a^nse terminal clusters ; glands pol- 
lute, the uppermost crowded , neiage; capsule smooth, achte-angled ; 
Trf.aves3"-5''long. Stipules fringed. 
17. E. piluUfera, L. “ud,™ en-ate ; invo- 
leaves shorhpetioled, oblong-ovate obliflj acn^^^ 
the summit of the branches. 
E. r. r.1— ; ““ 1“ 
base, petioled, often gUnds transversely oblong, white ; seed 4- 
angled, hairy; of the gtofato (e. depressa, 
angled, smooth, faintly wiinkl p _ common. June -Oct. - 
2hrr)_ Cultivated ground and waste place , y 
"sp^i^giy short-fringed, 
SUXd r:e’res:-U Florida. May - Oet. - Stems.,- 1. 
1-ong. Reaves 2»- 5” long. 
obthse-,.Saife . - 
parted ^ into long capillary segmei ’ ; seed , - - ■, 
and 
'ti’ I polyglifolia, L. baL. P«^«= ' 
or linear-ohlong, entire, fte involucre slightly margined by the. 
stipules hypmrs,2-3-p^ed; U^-^^^ l„hes; 
narrow “tPP^^ii'^ed large, obovate, not angled, smooth ^ 
Drifting sands ardfif vM -:jio and northward. 
^ Leaves i' long. Involucrek m^a^.d within. / 
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