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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

125b. Leaves truly compound, with distinct petiolate leaflets --127.

     126a. Flowers in axillary clusters         =CHENOPODIACEAE=, p. 28.

     126b. Flowers in terminal clusters            =COMPOSITAE=, p. 113.

127a. Stamens 5; flowers in umbels --128.

127b. Stamens 6; flowers in small clusters
                                          3b, in =BERBERIDACEAE=, p. 40.

127c. Stamens many; flowers in racemes or panicles
                                                 =RANUNCULACEAE=, p. 35.

     128a. Styles 5                                 =ARALIACEAE=, p. 80.

     128b. Styles 2                               =UMBELLIFERAE=, p. 80.

129a. Flowers in dense cottony heads; plants more or less white-woolly
                                            79, in =COMPOSITAE=, p. 120.

129b. Pistillate flowers in an ovoid spiny involucre, ripening into a
      bur                                   3a, in =COMPOSITAE=, p. 114.

129c. Flowers minute, subtended by palmately cleft axillary bracts
                                          1a, in =EUPHORBIACEAE=, p. 66.

129d. Plants without any of the preceding characters --130.

     130a. Plants with milky or colored juice
                                          10, in =EUPHORBIACEAE=, p. 67.

     130b. Plants with tendrils, at least on the upper leaves
                                              4a, in =LILIACEAE=, p. 11.

     130c. Plants of nettle-like character, with stinging hairs
                                             8b, in =URTICACEAE=, p. 24.

     130d. Plants with sheathing stipules, surrounding the stem above
           the base of each leaf                  =POLYGONACEAE=, p. 25.

     130e. Plants with smooth, pale, juicy, almost translucent stems
                                            12a, in =URTICACEAE=, p. 24.

     130f. Plants without any of the preceding structures or habits
           --131.

131a. Flowers axillary, solitary or in few-flowered clusters --132.

131b. Flowers in terminal, or terminal and axillary clusters --138.

     132a. Leaves linear                        =CHENOPODIACEAE=, p. 28.

     132b. Leaves of a broader shape than linear --133.

133a. Flower-clusters with bracts as long as or longer than the flowers
      --134.

133b. Flowers without conspicuous bracts --135.

     134a. Leaves broadest below the middle  8a, in =URTICACEAE=, p. 24.

     134b. Leaves broadest above the middle
                                           2, in =AMARANTHACEAE=, p. 30.

135a. Principal leaves 3 cm. long or more --136.

135b. Principal leaves 2.5 cm. long or less --137.

     136a. Flowers nodding in the axils of the leaves
                                              1a, in =VIOLACEAE=, p. 75.

     136b. Flowers erect in the axils        2a, in =ONAGRACEAE=, p. 78.

137a. Leaves narrowly oblong             1a, in =HALORAGIDACEAE=, p. 79.

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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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