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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

165c. Leaves twice- or thrice-compound       4a, in =ARALIACEAE=, p. 80.

     166a. Flowers small, greenish or greenish-yellow --167.

     166b. Flowers conspicuous, white, or brightly colored --170.

167a. Stems thorny                             1a, in =RUTACEAE=, p. 65.

167b. Stems not thorny --168.

     168a. Leaflets 3, entire or minutely toothed
                                               1b, in =RUTACEAE=, p. 65.

     168b. Leaflets 3, conspicuously toothed
                                          1b, in =ANACARDIACEAE=, p. 68.

     168c. Leaflets more than 3 --169.

169a. Leaflets entire except for 1-4 large glandular teeth near their
      base                                        =SIMARUBACEAE=, p. 65.

169b. Leaflets entire, or toothed for their entire length
                                                 =ANACARDIACEAE=, p. 68.

     170a. Flowers with a single bright-blue petal
                                            8a, in =LEGUMINOSAE=, p. 58.

     170b. Flowers with several petals --171.

171a. Flowers regular                           3, in =ROSACEAE=, p. 51.

171b. Flowers irregular, the upper petal the largest
                                             4, in =LEGUMINOSAE=, p. 58.

     172a. Leaves minute, scale-like, appressed
                                              2a, in =CISTACEAE=, p. 74.

     172b. Leaves 3-10 mm. long, spreading, completely rolled into a
           tube                                    =EMPETRACEAE=, p. 68.

     172c. Leaves normal in shape, green in color --173.

173a. Leaves evergreen, as shown by their presence on the older parts of
      the stem                                4b, in =ERICACEAE=, p. 84.

173b. Leaves deciduous --174.

     174a. Flowers in catkins, without petal-like parts --142.

     174b. Flowers not in catkins, either with or without petal-like
           parts --175.

175a. Flowers small, inconspicuous, yellowish or greenish in color
      --176.

175b. Flowers white or colored, with conspicuous petals --180.

     176a. Leaves broad and palmately lobed; stem thorny
                                             1a, in =ARALIACEAE=, p. 80.

     176b. Leaves entire, toothed, or with 2-3 entire lobes; stem not
           thorny --177.

177a. Flowers in small axillary clusters; foliage not spicy-aromatic
      --178.

177b. Flowers in clusters terminating last year's twigs; foliage
      spicy-aromatic                          1b, in =LAURACEAE=, p. 41.

     178a. Petals none; sepals present       2b, in =RHAMNACEAE=, p. 71.

     178b. Petals present but small --179.

179a. A stamen in front of each petal        2a, in =RHAMNACEAE=, p. 71.

179b. A stamen between each two petals           =AQUIFOLIACEAE=, p. 69.

     180a. Petals united with each other; stamens 8-10
                                              24, in =ERICACEAE=, p. 86.

     180b. Petals separate from each other --181.

181a. Petals 4 --182.

181b. Petals 5 --183.

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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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