APOCYNACEAE 1061 
7. APOCYNUM [Tourn.] L. Upright herbs. Leaves opposite: blades rela- 
tively broad. Corolla campanulate to urceolate, with entire appendages near 
the base, the lobes erect or recurved, fromthe ut 12 species, in the nort 
temperate zone.—Sum.—DOGBANES. und. 
one white, or pink within, 5-9 mm. long. . 
orolla -lobes revolute: flowers nodding: corolla pink 
eee leaves sprea 1. A. androsaemifolium. 
Corolla-lobes spreading: , flowers slightly or not at all 
nodding: corolla usually white: leaves erect. 2. A. medium. 
Corolla white or greenish, 2 5-4 mm. long: lobes usually 
ect: leaves and branches erect. 3. A. cannabinum. 
1. A. Ro ag DUAE L. Plant 3-15 dm. tall: leaf-blades ovate, elliptic, 
oval, n . long: eymes rather long: ealyx-lobes ovate to ovate- lanceolate, 
2—2.9 B eorolla-lobes nearly as Ios 
as de tube: follicles 10-17 em. long.— 
s, and fence-rows, various 
ee fiel 
pro nees, in Coastal Plain only northward, 
Ga. 7 Tex., B. C., Ont., and N. B. 
um Greene. Plant intermediate 4 
between the receding and the following 
ids leaf- pes pres n hae Mes. 
. lon es son t dense: calyx 
» bo Een e, "2-2.5 mm pre a 
lobes nearly as long a the tube: 
8- : 
and low. grounds, rious provinces, 
Cag Plain only hé N. C. to Mo 
Minn., and Newf. 
. cannabinum L. Plant 8-18 dm. ind ed blades PR to elliptie- 
den 
ovate or Mrd -lanceolate, 5-12 cm. lon rather calyx-lobes 
lanceolate, 2.5-3 mm. long: eorolla- niu NE half as long as p nibo: fol- 
A cles 12— "20 em. long.—Thickets, ae hi aps iin m-banks, various prov- 
ces, Fla. to un B. C., Ont d N. P eral propos sed segregates of 
this species do not pro ove to be oF a ‘all variations being found 
between the sae segregates 
8. URECHITES Muell.-Arg. Vines, or erect woody dad in op- 
posite: blades flat, entire. Calyx-lobes 5, relatively long and na Corolla 
showy, large, the short tube dilated into a longer a a. the limb 
prominently lobed. Anthers sagittate, Piles than the nts, Mee usually 
with a much elongate narrow apical appendage. d aoe ery slen- 
der, more or less incurved. Seeds numerous, slender- ei RE, rue 6 species, 
tropieal American. 
pen permanently ao pubescent: corolla pubescent Nita basal lobes of 
the anther over 1 cm. long. . U. pinetorum. 
Calyx a. ae least ultimately so: o oe without: 
basal lobes of the anther less than 1 cm. lon 2. U. lutea. 
1. U. pinetorum Small. Plant gray-green, the stem underground, the nes 
erect, or when more elongate reclining, simple or ager SO, copiously -pubes- 
cent: leaf-blades obovate, ov Mee or elliptie, 3-7.5 c ong, dull above, D 
d Me beneath: eymes usually payee 1-few- lowered, n uA narrow 
acts: ca on nci. Su. te, 8-10 mm. long, a mate: a deep- 
A ions 6-9 em. wide: anthers Tun 6 mm. long, ne 25 in FEE 
