(Podophyllum peltatum) Barberry family Flowers - White, solitary, large, unpleasantly scented, nodding from the fork between a pair of terminal leaves. Calyx of 6 short-lived sepal...
(Bicuculla Cucullaria; Dicentra cucullaria of Gray) Poppy family Flowers - White, tipped with yellow, nodding in a 1-sided raceme. Two scale-like sepals; corolla of 4 petals, in 2...
(Clintonia borealis) Lily-of-the-valley family Flowers - Straw color or greenish yellow, less than 1 in. long, 3 to 6 nodding on slender pedicels from the summit of a leafless scap...
(Pentstemon hirsutus; P. pubescens of Gray) Figwort family Flowers - Dull violet or lilac and white, about 1 in. long, borne in a loose spike. Calyx 5-parted, the sharply pointed s...
(Lonicera Caprifoliuin; L. grata of Gray) Honeysuckle family Flowers - White within, the tube pinkish, soon fading yellow, 1 to 1 1/2 in. long, very fragrant; borne in terminal who...
(Collinsia verna) Figwort family Flowers - On slender, weak stalks; whorled in axils of upper leaves. Blue on lower lip of corolla, its middle lobe folded lengthwise to enclose 4 a...
(Dasystoma flava; Gerardia flava of Gray) Figwort family Flowers - Pale yellow, 1 1/2 to 2 in. long; in showy, terminal, leafy-bracted racemes. Calyx bell-shaped, 5-toothed; coroll...
(Amelanchier Canadensis) Apple family Flowers - Pure white, over 1 in. across, on long, slender pedicels, in spreading or drooping racemes, with silky, reddish bracts, early fallin...
(Erythronium Americanum) Lily family Flower - Solitary, pale russet yellow, rarely tinged with purple, slightly fragrant, 1 to 2 in. long, nodding from the summit of a footstalk 6...
Class and Order. Diandria Monogynia. Generic Character. Cor. limbo 4-partito: lacinia infima angustiore. Caps. 2-locularis apice emarginata. Specific Character and Synonyms. VERONI...
Class and Order. Tetradynamia Siliquosa. Generic Character. Glandulæ nectariferæ 4, singulæ intra calycis foliola, squamæ instar reflexæ. Specific Character and Synonyms. ARABIS al...
(Hypopitis Hypopitis; Monolropa Hypopitis of Gray) Indian-pipe family Flowers - Tawny, yellow,ecru, brownish pink, reddish, or bright crimson, fragrant, about 1/2 in. long; oblong...
(Ruellia ciliosa) Acanthus family Flowers - Pale violet blue, showy, about 2 in. long, solitary or clustered in the axils or at the end of stem. Calyx of 5 bristle-shaped hairy seg...
(Solanum Dulcamara) Potato family Flowers - Blue, purple, or, rarely, white with greenish spots on each lobe; about 1/2 in. broad, clustered in slender, drooping cymes. Calyx 5-lob...
(Veronica officinalis) Figwort family Flowers - Pale blue, very small, crowded on spike-like racemes from axils of leaves, often from alternate axils. Calyx 4-parted; corolla of 4...
(Castalia odorata; Nymphaea odorata of Gray) Water-lily family Flowers - Pure white or pink tinged, rarely deep pink, solitary, 3 to 8 in. across, deliciously fragrant, floating. C...
Class and Order. Pentandria Monogynia. Generic Character. Cor. rotata. Pistillum declinatum. Stamina tubo corollæ infidentia. Antheræ demum spirales. Peric. 2-loculare. Specific Ch...
(Cynoglossum officinale) Borage family Flowers - Dull purplish red, about 1/3 in. across, borne in a curved raceme or panicle that straightens as the bloom advances upward. Calyx 5...
(Rhexia Virginica) Meadow-beauty family Flowers - Purplish pink, 1 to 1 1/2 in. across, pedicelled, clustered at top of stem. Calyx 4-lobed, tubular or urn-shaped, narrowest at nec...
(Silene stellata) Pink family Flowers - White, about 1/2 in. broad or over, loosely clustered in a showy, pyramidal panicle. Calyx bell-shaped, swollen, 5-toothed, sticky; 5 fringe...
(Erigeron pulchellus; E. bellifolium of Gray) Thistle family Flower-heads - Composite, daisy-like, 1 to 1/2 in. across; the outer circle of about 50 pale bluish-violet ray florets;...
(Lacinaria squarrosa; Liatris squarrosa of Gray) Thistle family Flower-heads - Composite, about 1 in. long, bright purple or rose purple, of tubular florets only, from an involucre...
MINT (Monarda didyma) Mint family Flowers - Scarlet, clustered in a solitary, terminal, rounded head of dark-red calices, with leafy bracts below it. Calyx narrow, tubular, sharply...
(Melilotus officinalis) Pea family Resembling the white sweet clover, except in color. (q.v.) YELLOW or HOP CLOVER (Trifotium agrarium) Pea family Flowers - Yellow, scale-like, ove...
(Hibiscus Moscheutos) Mallow family Flowers - Very large, clear rose pink, sometimes white, often with crimson center, 4 to 7 in. across, solitary, or clustered on peduncles at sum...
(Alisma Plantago-aquatica) Water-plantain family Flowers - Very small and numerous, white, or pale pink, whorled in bracted clusters forming a large, loose panicle 6 to 15 in. long...
(Spathyema fetida; Symplocarpus fetidus of Gray) Arum family Flowers - Minute, perfect, fetid; many scattered over a thick, rounded, fleshy spadix, and hidden within a swollen, she...
(Datura stramonium) Potato family Flowers - Showy, large, about 4 in. high, solitary, erect, growing from the forks of branches. Calyx tubular, nearly half as long as the corolla,...
Class and Order. Tetrandria Monogynia. Generic Character. Cal. communis polyphyllus; proprius duplex, superus. Recept. paleaceum nudum. Specific Character and Synonyms. SCABIOSA at...