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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

181a. Leaves compound or dissected                 =FUMARIACEAE=, p. 41.

181b. Leaves simple --182.

     182a. Flowers solitary                   =ARISTOLOCHIACEAE=, p. 25.

     182b. Flowers in spikes, heads, or racemes   =POLYGALACEAE=, p. 65.

183a. Leaves truly compound --184.

183b. Leaves palmately cleft; flowers 15 mm. wide or larger
                                          6a, in =RANUNCULACEAE=, p. 36.

183c. Leaves irregularly cleft; flowers about 5 mm. wide
                                                    =RESEDACEAE=, p. 48.

     184a. Petals prolonged backward into hollow spurs
                                          6b, in =RANUNCULACEAE=, p. 36.

     184b. Petals not prolonged into spurs       =CAPPARIDACEAE=, p. 47.

                                 --185--

185a. Perianth consisting of one circle of parts only (usually
      considered to be the calyx) --186.

185b. Perianth consisting of both calyx and corolla --192.

     186a. Leaves with sheathing stipules encircling the stem above the
           base of every leaf                     =POLYGONACEAE=, p. 25.

     186b. Leaves without sheathing stipules --187.

187a. Leaves entire --188.

187b. Leaves toothed, lobed, or compound --190.

     188a. Stamens 5                               =SANTALACEAE=, p. 24.

     188b. Stamens 6 --189.

     188c. Stamens 10                           =PHYTOLACCACEAE=, p. 30.

189a. Perianth-lobes 3; perianth-tube curved  =ARISTOLOCHIACEAE=, p. 25.

189b. Perianth-lobes 6, spreading             4a, in =LILIACEAE=, p. 11.

     190a. Stamens 5                              =UMBELLIFERAE=, p. 80.

     190b. Stamens 6 --191.

     190c. Stamens more than 6                   =RANUNCULACEAE=, p. 35.

191a. Climbing plant with heart-shape perianth
                                            2a, in =FUMARIACEAE=, p. 41.

191b. Erect plant, with spreading perianth
                                          3b, in =BERBERIDACEAE=, p. 40.

     192a. Corolla composed of united petals --193.

     192b. Corolla composed of separate petals --208.

193a. Stamens 2 or 4                         =SCROPHULARIACEAE=, p. 101.

193b. Stamens 3; climbing vines                 =CUCURBITACEAE=, p. 112.

193c. Stamens 5 --194.

193d. Stamens 6                             2a, in =FUMARIACEAE=, p. 41.

193e. Stamens 8                              22b, in =ERICACEAE=, p. 85.

193f. Stamens 10 --207.

193g. Stamens very numerous                          =MALVACEAE=, p. 72.

     194a. Ovaries 2; flowers orange-red, in umbels
                                         7a, in =ASCLEPIADACEAE=, p. 91.

     194b. Ovary 1, deeply 4-lobed; flowers in racemes
                                                  =BORAGINACEAE=, p. 93.

     194c. Ovary 1, not deeply lobed --195.

195a. Climbing or scrambling vines --196.

195b. Not climbing or scrambling --198.

     196a. Flowers about 1 cm. wide --197.

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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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