500 CONVOLVULACEAE 
Corolla regular; twining vines. 
Yellowish-white leafless vines, parasites CUSCUTACEAE 
Vines with normal leaves, not parasitic 
ie eee CONVOLVULACEAE 
Herbs, not vines. 
Ovary 3-celled. Flowers in umbel-like, 
spreading clusters, rarely solitary, or in 
a loose irregular compound cluster, sta- 
mens not plumose . . POLEMONIACEAE 
Ovary 1-celled, stamen filaments plumed 
with rather long hairs HYDROPHYLLACEAE 
Famity I—CONVOLVULACEAE. Morwninc-cLtory FAMILY 
Herbs, mostly with twining vines. Leaves alternate, without 
stipules. Flowers regular, corolla of a single petal (by concres- 
cence of 5) ; calyx 5-parted; margin of corolla in 5 lobes; stamens 
5, inserted at the very base of the corolla or with it. Ovary su- 
perior to the calyx and not connected directly with it; styles 1 to 
3. Fruit a capsule or 2 to 4 pods, distinct. 
Styles 2, or one deeply 2-parted . . . . . . +. Breweria 
Style 1. 
Stigmas 2. we 5 wm we ew Ga. OC CO 
Stigma 'd-in!' . Usiows alpen eat eet, oar ee 
1. BREWERIA, R. Br. - 
Ours a slender species, nearly or quite prostrate, with long narrow leaves 
and axillary bell-shaped flowers resembling those of Convolvulus. Cap- 
sule globose, 2-celled. 
B. Pickeringii, (M. A. Curtis) A. Gray. (Fig. 4, pl. 125.) Prcker- 
1NGc’s Brewerta, Stem 1 to 2 ft. long, downy. Leaves very narrowly 
linear, tapering at base. Flower stems spring at axils, bearing from 1 
to 3 flowers. Southern part of our area, June-Aug. 
2. IPOMOEA, L. 
Twining or trailing vines. Corolla funnel-form to bell-form, the mar- 
gin only slightly lobed. Caly# without bracts at the base. Style undi- 
vided, terminated by a single cap or 2 or 3 globose nearly united caps. 
Capsule globular. 
Flowers white. 
Corolla«2ato*goin Mone: «i Se. ths es ey pee Were 
Corolla’ #*to' 4) if long ©! 6 “ee “So a ae Rs os ere 
Flowers pink or purple. 
Leaves deeply lobed . . . « - «© «© «© « «© « «© dy hederacea 
Leaves not deeply lobed . . . . ... . . - . ‘JL. purpurea 
