Lab 5 Again

Front 1

Acer rubrum - red maple

Back 1

leaves opposite, 3-5 lobed, toothed, base of terminal lobe wide; twigs and buds reddish; flowers red in spring; fruit a samara; bright red fall color;

Front 2

Acer saccharinum - silver maple

Back 2

leaves opposite, deeply 5-lobed, slightlysilver/whitish on lower surface; twigs and buds reddish; fruit a samara;

Front 3

Sagittaria sp. - arrowhead, duck potato

Back 3

"leaves variable from arrow-shaped to elliptical (ribbon-like) to lance-shaped, erect extending above

Front 4

Cicuta sp. – water hemlock

Back 4

doubley oddly pinnate , double umbels.

Front 5

Ilex verticillata - Michigan holly

Back 5

leaves alternate, (pinched leaf) acuminate at tip with numerous fine teeth along margins; red berries

Front 6

Peltandra virginica - arrow arum

Back 6

veins that run along the entire leaf margin on long petioles;

Front 7

Bidens sp. - begger-ticks

Back 7

"two point TICKs; flowers inconspicuous, lacking rays, bright yellow; leaves variable mostly toothed and lanceolate,

Front 8

Eupatorium maculatum - joe-pye-weed

Back 8

"stem deep purple or purple spotted, rough and coarse, up to 1m tall; leaves in whorls, on short petioles, uppermost leaves shorter than the inflorescence, lance-shaped to linear; flower heads in disks, numerous

Front 9

Eupatorium perfoliatum - boneset

Back 9

(perfoliate); leaves wrinkled and veiny, unite basally around the stem hairy plant; white flower

Front 10

Solidago sp. - goldenrod

Back 10

leaves are ribbon-like with a central vein; upper part of stem branched; inflorescence is flat-topped, flowers yellow, in small numerous heads crowded in small clusters

Front 11

Alnus incanaspeckled alder

Back 11

"catkins; leaves simple, dull above, whitened beneath, doubly toothed, with

Front 12

Sambucus canadensis common elder

Back 12

"oddly pinnate; Shrubs or small tree). Leaflets lancelate or oval in shape

Front 13

Ceratophyllum sp. - coontail

Back 13

"leaves whorled, dichotomously forked with spiny teeth along one side, more crowded toward the tip

Front 14

Cornus sp. - dogwood

Back 14

"Shrubs or trees; leaves not toothed; leaf veins follow the smooth leaf edges toward the tips; silky sap

Front 15

Carex sp.

Back 15

Nutlet enclosed in a sac, the perigynium;

Front 16

Scirpus cyperinus - wool grass

Back 16

spikelets terminal, like a fountain spray of wool puff ball due to long bristles

Front 17

Scirpus validus - softstem bulrush

Back 17

"single round stem;

Front 18

Quercus bicolor "swamp oak"

Back 18

"Leaves alternate, simple, obovate, margin with large

Front 19

Elodea sp. - waterweed

Back 19

"

Front 20

Lythrum salicaria - purple loosestrife

Back 20

stems slender, Square ; leaves opposite, not petioled, sort of heartshaped at base; flowers numerous in long purple spikes; many seeded

Front 21

Calamagrostis canadensis - bluejoint

Back 21

grass family feather little puff leaves very narrow1-5mm thick; 1 floret per spikelet;

Front 22

Leersia oryzoides - rice cut grass

Back 22

stack of pancakes, rough to the touch

Front 23

Phalaris arundinaceae - reed canary grass

Back 23

compress spike, not on all sides, like a ladder.

Front 24

Polygonum sp. - smartweed

Back 24

ochrea, many joints

Front 25

Rumex sp. - dock

Back 25

"Perrenial herbs. Leaves large and clustered at base of plant, or can be leafy stemmed, oblong, flat to wavy

Front 26

Pontedaria cordata - pickerelweed

Back 26

heart-shaped with numerous parellel veins glass work

Front 27

Potamogeton crispus - curly pondweed

Back 27

"Aquatic perennial herb. Stems compressed with few branches. Leaves al submersed, oblong rounded at tip

Front 28

Rosa palustris - marsh rose

Back 28

"Highly branching prickly shrub. Leaves alternate oddly pinnate.

Front 29

Spirea sp.

Back 29

5 carpals, open inside, like a crown, in front of padnos

Front 30

Cephalanthus occidentalis - buttonbush

Back 30

"

Front 31

Salix sp. - willow

Back 31

" generally: leaves alternate, usually lanceolate,

Front 32

Solanum dulcamara - nightshade

Back 32

leafs look like a spade from cards

Front 33

Typha angustifolia - narrow-leaved cattail

Back 33

corn dog on a stick, with a gap

Front 34

Typha latifolia - broad-leaved cattail

Back 34

corn dog on a stick, with out a gap

Front 35

Boehmeria cylindrica - false nettle

Back 35

"square hallow stem; leaves opposite, NO stinging hairs, well stalked, coarsely toothed,

Front 36

Vitis riperia - river-bank grape

Back 36

vine; leaves alternate, roughly 3-lobed to about 12 long, leaf margins with teeth various and lobed sinuses, shiny green on both surfaces; grapes