The Plants of Michigan Part 30

34a. Leaves oblong, 2-5 cm. wide, not present when the plants are in bloom (greenish-white flowers) =Wild Leek, Allium tricocc.u.m.=

34b. Leaves linear, present with the flowers --35.

35a. Umbel nodding or horizontal (petals rose-color) =Wild Onion, Allium cernuum.=

35b. Umbel erect --36.

36a. Pedicels longer than the flowers --37.

36b. Pedicels equaling or shorter than the flowers (petals rose-purple) =Wild Chives, Allium schoenoprasum var. sibiric.u.m.=

37a. Leaves flattened; flowers pink to white =Wild Onion, Allium canadense.=

37b. Leaves cylindrical; flowers greenish to purple =Field Garlic, Allium vineale.=

38a. Leaves lanceolate to ovate, not more than 8 times as long as broad --39.

38b. Leaves linear or gra.s.s-like, at least 12 times as long as broad --45.

39a. Princ.i.p.al leaves all basal, stem-leaves none or bract-like --40.

39b. Princ.i.p.al leaves on the stem --41.

40a. Flowers in a spike-like raceme (4-10 dm. high; small white flowers in summer) =Colic-root, Aletris farinosa.=

40b. Flowers in an umbel-like cl.u.s.ter --34b.

41a. Perianth-segments 4 (1-2 dm. high; flowers white, early summer) =Wild Lily of the Valley, Maianthemum canadense.=

41b. Perianth-segments 6 --42.

42a. Styles 3; flowers dioecious (3-10 dm. high; flowers white, early summer) =Blazing Star, Chamaelirium luteum.=

42b. Style 1; flowers perfect, white, in spring (False Solomon's Seal) --43.

43a. Flowers panicled (3-6 dm. high) =False Solomon's Seal, Smilacina racemosa.=

43b. Flowers racemed --44.

44a. Leaves 2-4, usually 3 (1-2 dm. high) =False Solomon's Seal, Smilacina trifolia.=

44b. Leaves 5-12 (2-5 dm. high) =False Solomon's Seal, Smilacina stellata.=

45a. Flowers bright blue; perianth-segments united (2-3 dm. high, spring) =Grape Hyacinth, Muscari botryoides.=

45b. Flowers blue, greenish, yellowish, or white; perianth-segments separate --46.

46a. Flowers 1 cm. wide, or smaller (white or greenish, in racemes, late spring or summer) (False Asphodel) --47.

46b. Flowers 1.5 cm. wide, or larger --48.

47a. Stem glabrous (2 dm. high or less) =False Asphodel, Tofieldia pal.u.s.tris.= =False Asphodel, Tofieldia glutinosa.=

47b. Stem viscid-p.u.b.escent (1-5 dm. high)

48a. Perianth-segments with 2 glands near the base (3-8 dm. high; greenish-white panicled flowers in summer) =Zygadenus, Zygadenus chloranthus.=

48b. Perianth-segments without glands --49.

49a. Plant 3-5 dm. tall; flowers blue or nearly white, in long racemes (early summer) =Wild Hyacinth, Cama.s.sia esculenta.=

49b. Plant 1-3 dm. tall; flowers greenish-white, in short corymb-like racemes (spring) =Star of Bethlehem, Ornithogalum umbellatum.=

DIOSCOREACEAE, the Yam Family

Twining herbs with net-veined leaves and greenish or white flowers in panicles or racemes.

One species in Michigan; leaves ovate-cordate; flowers in summer =Wild Yam, Dioscorea villosa.=

AMARYLLIDACEAE, the Amaryllis Family

Plants with linear basal leaves, and perfect flowers, with 6-parted perianth, inferior ovary, and 6 stamens.

One species in Michigan; 1-2 dm. high; flowers yellow, 1 cm. wide, in spring =Star Gra.s.s, Hypoxis hirsuta.=

IRIDACEAE, the Iris Family

Herbs, with 6-parted perianth, inferior ovary, and 3 stamens.

1a. Flowers blue, 5 cm. wide or larger --2.

1b. Flowers about 1 cm. wide (blue or white, from a spathe terminating a 2-edged stem 2-5 dm. high, spring and early summer) (Blue-eyed Gra.s.s) --3.

2a. Flowering stems 4-8 dm. high (early summer) =Blue Flag, Iris versicolor.=

2b. Flowering stems 2 dm. or less high (spring) =Dwarf Iris, Iris lacustris.=