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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

92c. Leaflets mostly 25-45, less than 15 mm. long
                                            8a, in =LEGUMINOSAE=, p. 58.

93a. Leaflets entire 3a, in =ANACARDIACEAE=, p. 68.

93b. Leaflets entire, except for 1-4 large glandular teeth near their
     base                                         =SIMARUBACEAE=, p. 65.

93c. Leaflets toothed throughout --94.

     94a. Juice milky                     1a, in =ANACARDIACEAE=, p. 68.

     94b. Juice not milky                      3a, in =ROSACEAE=, p. 51.

95a. Leaves minute, scale-like, appressed     2a, in =CISTACEAE=, p. 74.

95b. Leaves 3-10 mm. long, spreading, completely rolled into a tube
                                                   =EMPETRACEAE=, p. 68.

95c. Leaves normal in shape, green in color --96.

     96a. Leaves evergreen, as shown by their presence on the older
          parts of the stem                   4b, in =ERICACEAE=, p. 84.

     96b. Leaves deciduous --97.

97a. Stems or branches thorny --98.

97b. Stems or branches without thorns or thorny leaves --103.

     98a. Leaves conspicuously palmately veined --99.

     98b. Leaves pinnately veined, or sometimes with smaller lateral
          veins arising from the end of the petiole --100.

99a. Leaves 5 cm. wide or less            1a, in =SAXIFRAGACEAE=, p. 49.

99b. Leaves 15 cm. wide or more              1a, in =ARALIACEAE=, p. 80.

     100a. Leaves entire 5a, in =SOLANACEAE=, p. 100.

     100b. Leaves toothed or somewhat lobed --101.

101a. Leaves with bristly margins; some of the thorns three-pointed
                                          2a, in =BERBERIDACEAE=, p. 40.

101b. Leaves not bristly on the margin; thorns not branched --102.

     102a. Only lateral thorns present        41b, in =ROSACEAE=, p. 54.

     102b. Only terminal thorns present      2a, in =RHAMNACEAE=, p. 71.

103a. Leaves palmately veined, or with one or more pairs of lateral
      veins from the base of the leaf --104.

103b. Leaves pinnately veined --111.

     104a. Leaves entire --105.

     104b. Leaves toothed --106.

     104c. Leaves palmately lobed --108.

105a. Foliage fragrant when crushed; leaves ovate
                                              1b, in =LAURACEAE=, p. 41.

105b. Foliage not aromatic; leaves heart-shape
                                            3b, in =LEGUMINOSAE=, p. 58.

     106a. Lateral veins straight and parallel, running to the teeth of
           the leaf                          3a, in =BETULACEAE=, p. 22.

     106b. Lateral veins curved or branched, and not running straight to
           the teeth --107.

107a. Tall shrubs with somewhat milky juice and broadly ovate leaves
                                             2b, in =URTICACEAE=, p. 23.

107b. Low shrubs less than 1 m. high with watery juice
                                             1b, in =RHAMNACEAE=, p. 71.

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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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