Hypericum denticulatum (coppery st. johnswort) Clusiaceae (4-5 4-5 N 3)129 -- shrub; copper-yellow; stem sharply 4-angled; lvs point up

Hypericum ellipticum (pale st. johnswort) Clusiaceae (4-5 4-5 N 2-5)127 -- OE sessile, growing upward

Hypericum frondosum Clusiaceae (4-5 4-5 N 3) 127 -- shrub; fls terminal & solitary to 1m; big fls

Hypericum gentianoides (orange grass st. johnswort) Clusiaceae (4-5 4-5 N 3) 130 --

Hypericum hypericoides (st. andrew's cross) styles 2 Clusiaceae (4 4 N 2)126 -- small shrub; fls axillary; OE narrowly oblong, not clasping

Hypericum majus (larger Canada st. johnswort) Clusiaceae (4-5 4-5 N 3)129 --

Hypericum mutilum (dwarf st. johnswort) Clusiaceae (4-5 4-5 N 3) 129 -- lvs ellip or oval

Hypericum perforatum (common st. johnswort)(4-5 4-5 N 2-5)128--fls blk-dotted on margins; lvs to 1.5"; brnchs shrply ridged below each leaf; flds,waste pls.

Hypericum prolificum (shrubby st. johnswort) Clusiaceae (4-5 4-5 N 3)126 -- shrub; to 2m

Hypericum punctatum (spotted st. johnswort) Clusiaceae (4-5 4-5 N 3)128 -- fls black-dotted on the back; lvs 1.5-3" w/ rounded tip; damp pls.

Hypericum pyramidatum (pyramidal st. johnswort) Clusiaceae (4-5 4-5 N 5) 128 --

Hypericum sp. (st. Johnswort) Clusiaceae (4-5 4-5 N 2-5)-- yellow fls

Hypericum stans (st. peter's wort) Clusiaceae (4 4 N 3) 126 -- decumbent shrub; fl at stem top; OE broadly oblong, partly clasping

Hypericum stragulum (st. andrew's cross) Clusiaceae (4 4 N 2) 126 -- a decumbent shrub; fls axillary Hypochaeris radicata (cat's foot) Asteraceae/Lactuceae 600

Hypoxis hirsuta (yellow stargrass) Liliaceae (3 3 6 3) 802

Hyssopus officinalis (hyssop) Lamiaceae ((5 -- 2over3) (5) 2+2 1) 414 -- pale-prpl fls in whrls; stamens protruding; OE nrrw, rndd tips

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Iberis umbellata Brassicaceae (4 4 4+2 1) 167 -- Ilex glabra (inkberry) Aquifoliaceae (6-8 6-8 4 1or0) 309

Ilex laevigata (smooth winterberry holly) Aquifoliaceae (4-8 4-8 4 1or0 unisex hypo) 310 -- lvs distinctly acuminate; sepals entire; fr orange-red

Ilex montana (bigleaf holly) Aquifoliaceae (4-8 4-8 4 1or0 unisex hypo) 310 -- lvs egg-shpd or brdly lance, sharply toothed, long ptd; mtn woods

Ilex opaca (American holly) Aquifoliaceae (4 4 4 1or0) 309 --

Ilex verticillata (winterberry holly) Aquifoliaceae (6-8 6-8 4 1or0) 309 -- sepals ciliate; fr red Impatiens capensis (jewelweed) Balsaminaceae (3 3 5 1 hypo) 341 -- orange

Impatiens pallida (pale jewelweed) Balsaminaceae (3 3 5 1 hypo) 341 -- yellow

Impatiens parviflora (jewelweed) Balsaminaceae (3 3 5 1 hypo) 341 -- Inula graveolens Asteraceae/Inuleae 563 --

Inula helenium (elecampane) Asteraceae/Inuleae 563 -- yellow, disheveled rays; AT large, rough, woolly beneath Ipomoea coccinea (red morning glory) 386 -- fls scarlet

Ipomoea hederacea (ivy-leaved morning glory) 385 -- fls purple, blue, white

Ipomoea lacunosa (white morning glory) 386 -- fls white, occ. pink or pale purple

Ipomoea pandurata (wild potato morning glory) 386 -- fls white, w/ red-purple center

Ipomoea purpurea (common morning glory) 386 -- fls white, purple, blue, or variegated

Ipomoea sp. (morning glory) Convolvulaceae ((5) 5 5 1) -- Iridaceae (iris) -- Belamcanda (blackberry lily), Iris, Sisyrinchium (blue-eyed grass) Iris germanica (German ivy iris) 811

Iris lacustris (iris) 810

Iris prismatica (slender blueflag iris) 810

Iris pseudacorus (yellow flag iris) 810

Iris sp. (iris) Iridaceae (3 3 3 3) 810 --

Iris versicolor (blue flag iris) 811 -- lvs 1/2-1" wide Isanthus brachiatus (false pennyroyal) Lamiaceae ((5) (5) 2+2 1) 409 -- pale blue, 1/4"; OE lance, larger 3-veined

Isatis tinctoria (woad) Brassicaceae (4 4 4+2 1) 166 -- Isotria medeoloides (little whorled pogonia) Orchidaceae (2+1z 3 1-2 3) 823 --

Isotria verticillata (larger whorled pogonia) Orchidaceae (2+1z 3 1-2 3) 823 -- Itea virginica (Virginia willow) Grossulariaceae (5 5 5 1 peri, us epi) 205 -- Iva annua (rough marsh elder) Asteraceae/Heliantheae 514 -- waste ground, esp. in most soil

Iva frutescens (marsh elder) Asteraceae/Heliantheae 514 -- greenish, nodding heads; OT succulent

Iva xanthifolia (big marsh elder) Asterac/Heliantheae 514 -- opposite leaved; bottomlands & moist waste pls. Ixeris stolonifera (creeping lettuce) Asteraceae/Lactuceae 591 --

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Jacquemontia tamnifolia Convolvulaceae ((5) 5 5 1) 384 --

Juglandaceae (walnut) -- Carya (hickory); Juglans (walnut)

Juglans nigra (black walnut) Juglandaceae 072 -- lflts 11-23; crushed lvs spicy scented; brk w/ vry rgh rdg edges; twgs hairless Juncaceae (rush) -- Juncus (rush), Luzula (wood rush) Juncus acuminatus (acuminate rush) 629 -- obpyrimidal w/ smaller frs never awl-shaped;

Juncus alpinoarticulatus (alpine jointed rush) -- obpyrimidal w/ smaller frs never awl-shaped;

Juncus arcticus (wire rush) 624 -- side infl w/ no big side lvs; calcareous or brackish shores & dunes

Juncus articulatus (jointed rush) 629 --obpyrimidal w/ smaller frs never awl-shaped; septate lvs

Juncus biflorus (two-flowered rush) 626 -- unique side lvs; infl snow-cone like; moist or wet meadows & shores

Juncus brachycarpus (short-fruited rush) 629 -- infl round balls; obpyrimidal w/ smaller frs never awl-shaped;

Juncus brachycephalus (short-headed rush) 627 -- obpyramidal infl

Juncus brevicaudatus (short-tailed rush) 627 -- obpyrimidal infl;

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