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The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State — John Shaqi

The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the StateGleason, Henry A. (Henry Allan)

Science

The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State

Name: The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State
Author: Gleason, Henry A. (Henry Allan)

Gleason, Henry A. (Henry Allan)

Plants -- Michigan

7a. Leaves twice to three times compound or dissected --8.

7b. Leaves once-compound --11.

     8a. Flowers in racemes                 2b, in =FUMARIACEAE=, p. 41.

     8b. Flowers in umbels --9.

9a. Flowers about 3 mm. wide, white or greenish-white --10.

9b. Flowers 10-20 mm. wide, conspicuous  45b, in =RANUNCULACEAE=, p. 39.

     10a. Leaflets 5-15 cm. long             5b, in =ARALIACEAE=, p. 80.

     10b. Leaflets not over 2 cm. long    16a, in =UMBELLIFERAE=, p. 81.

11a. Leaflets 2                           3a, in =BERBERIDACEAE=, p. 40.

11b. Leaflets three or more --12.

     12a. Leaflets entire or very finely toothed --13.

     12b. Leaflets coarsely toothed or lobed --15.

13a. Flowers irregular, in dense head-like umbels
                                           37a, in =LEGUMINOSAE=, p. 61.

13b. Flowers consisting of a greenish or purplish bract wholly or partly
     enclosing a fleshy spike                     2, in =ARACEAE=, p. 8.

13c. Flowers regular, solitary or in loose clusters --14.

     14a. Leaflets reverse heart-shape, not over 2 cm. long
                                                   =OXALIDACEAE=, p. 64.

     14b. Leaflets 4-10 cm. long           1c, in =GENTIANACEAE=, p. 88.

15a. Flowers with colored or white petals and green or colored sepals
     --16.

15b. Flowers with one kind of perianth only (calyx), with broad and
     petal-like parts                     32, in =RANUNCULACEAE=, p. 38.

15c. Flowers with white petal-like sepals and small inconspicuous petals
                                         38b, in =RANUNCULACEAE=, p. 39.

     16a. Petals and sepals each 4           31, in =CRUCIFERAE=, p. 44.

     16b. Petals and sepals each 5 or more --17.

17a. Leaves with stipules                             =ROSACEAE=, p. 51.

17b. Leaves without stipules             23b, in =RANUNCULACEAE=, p. 37.

                                 --18--

     18a. Stem-leaves a single opposite pair (basal leaves may also be
          present) --19.

     18b. Stem-leaves none --23.

19a. Leaves entire --20.

19b. Leaves toothed or lobed --21.

     20a. Flowers solitary; leaves broadly kidney-shape
                                              =ARISTOLOCHIACEAE=, p. 25.

     20b. Flowers in racemes; leaves linear or lanceolate
                                                 =PORTULACACEAE=, p. 34.

21a. Flowers in racemes; petals deeply toothed
                                         23b, in =SAXIFRAGACEAE=, p. 51.

21b. Flowers solitary or few in a cluster; petals entire or nearly so
     --22.

     22a. Petals                                 5 =GERANIACEAE=, p. 64.

     22b. Petals 6 or more                2b, in =BERBERIDACEAE=, p. 40.

23a. Flowers or flower-clusters sessile, at or partly beneath the
     surface of the ground                       4a, in =ARACEAE=, p. 8.

23b. Flowers or flower-heads solitary at the ends of the flower-stalks
     --24.

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The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State

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