1084 CONVOLVULACEAE 
P. hederacea (L.) Choisy. Stem twining: leaf-blades 5—12 em. long, deeply 
3 lobed ; lobes acuminate: peduncles usually shorter than the ns calyx- 
dee 
lobes 2 “3 em. long, the bases en or oval: corolla 2.5-4 em. long, deep-blue, 
or the tube white; limb abou . broad.—W aste- ps i cult. grounds, 
various provinces, Fla. to Tox. So Dak., and Me.—(W. I., Mex.,)—Nat. of 
trop. Àm., and eult. 
4. P. Nil (L.) Choisy. Stem hispid or hirsute: leaf-blades broadly ovate 
to aac in outline, 6-16 em. long, 3-a mari ed or 3-lobed, the lobes acute: 
sepal long: corolla- limb deep-blue, 4—6 rm wide —Hammocks and 
cult. eR Fla. and La. Nat. of Africa, E cu 
P. cathartica (Poir.) m Stem minutely strigillose or glabrate: leaf- 
blades Nei pin 5-9 em. long, entire or 3-lobed: sepals ovate- dance 
ong, nate: corolla-limb purple to white, 6-8 cm. wide. 
Hammocks and thickets: along or near the coast, pen. Fla. and the Keys. 
W. I.) 
6. IPOMOEA L. Annual or perennial elimbing or trailing vines, or 
rarely upright dd ip an entire, angled or divided. Flowers solitary 
on axillary pedun cymes. Calyx-lobes coriaceous or membranous, 
rarely fleshy. NA imd the limb usually spreading. Capsule mostly 
septifragally 2- or 4-valved. Seeds often pubescent. — 200 species, widely 
distributed.—Sum.-fall or all year S.—MORNING-GLORIE 
Stems and branches prostrate and SUCEDE or climbing. I. PANDURATAE. 
Stems and branches erect or diffus II. FISTULOSAE. 
PANDURATAE 
Stem creeping, perennial, glabrous, fleshy or succulent 
Corolla-limb white: leaf-blades elliptic to ovate in outline, 
er obe . I. stolonifera. 
o a HD purple : leaf-blades suborbicular, notched at the 
. I. Pes-Caprae. 
Stem Sine or rarely ee never creeping. 
Leaf-blades EDO or 3-lo 
Leaf-blades sagittate or e cnc e at the base: 
inner sepals less than 1 cm. 
» Leaf-blades denticulate-hastate at. Te base, linear or 
linear-lanceolate: corolla white. 3. 1. angustifolia. 
Leaf- e. aoe sometimes broadly so: corolla- 
purple 
Sins equal, 6 Du long: corolla 3-4 em. long. 4. I. tenuissima. 
i ees: unequal, 7-9 mm. long: corolla 5-6. em. 
ng. 5. I. sagittata. 
Leaf- blades m s sagittate: inner sepals often over 1 
sepals pM or mucr m a 
eaf-blades cordat an typ 
ar a Qu. and fleshy, "with the peti- 
nd sepals densely setaceo 6. I. setosa. 
Pediceld not fleshy, not aao dr 
Sep "n Ko seeds with long wool 
al 7. I. macrorhiza 
Sepals “glabrous: seeds with wool on the 
a) 
pandurata. 
Sepals cuspidately pointed or acuminate. 
Corolla yellow : inflorescen n. RATS te. 
Co rolla Mic purple, or white: inflorescence soli- 
e 
M 
. polyanthes. 
Bond: CAE. glabrous. 
Cor ei ia cm. long or less, pink or lilac- 
10. I.trifida. 
Corolla p cm. long, or longer. 
Sepals 10-14 mm. long: stem usually 
glabrous and trailing. 11. I. Batatas. 
