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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

76b. Leaflets not reverse heart-shape; flowers white, greenish, or
          pink --77.

77a. Flowers greenish or white, about 2 mm. broad   =ARALIACEAE=, p. 80.

77b. Flowers 5 mm. broad or larger                 =GERANIACEAE=, p. 64.

     78a. Juice milky --79.

     78b. Juice not milky --80.

79a. A 3-lobed ovary with 3 short styles visible in some of the flowers
                                                 =EUPHORBIACEAE=, p. 66.

79b. Ovaries 2 in the center of each flower (sometimes concealed by
     other organs); sepals and petals each 5 --104.

     80a. Perianth with one circle of parts only --81.

     80b. Each flower with both calyx and corolla --82.

81a. Stem prostrate; flowers only 2 mm. broad        =AIZOACEAE=, p. 31.

81b. Stem erect; flowers at least 20 mm. wide 4a, in =CORNACEAE=, p. 83.

     82a. Petals 2 or 4 --83.

     82b. Petals 3                             22, in=LILIACEAE=, p. 12.

     82c. Petals 5 or 6 --84.

83a. Leaves with 3-5 principal veins             =MELASTOMACEAE=, p. 77.

83b. Leaves with 1 principal mid-vein               =ONAGRACEAE=, p. 78.

     84a. Leaves palmately lobed --85.

     84b. Leaves entire or toothed, or with 1-2 small lobes near the
          base only --86.

85a. Petals entire or notched at the end           =GERANIACEAE=, p. 64.

85b. Petals conspicuously fringed        23b, in =SAXIFRAGACEAE=, p. 51.

     86a. Ovary 1 --87.

     86b. Ovaries 2, surrounded and concealed by other organs
                                                =ASCLEPIADACEAE=, p. 90.

     86c. Ovaries 4-5                      2b, in =CRASSULACEAE=, p. 48.

87a. Leaves dotted with translucent dots (easily seen when the leaf is
     held to the light)                           =HYPERICACEAE=, p. 73.

87b. Leaves not dotted with translucent dots --88.

     88a. Leaves only 1-3 mm. long, closely appressed and concealing the
          stem                                2a, in =CISTACEAE=, p. 74.

     88b. Leaves larger, not concealing the stem --89.

89a. Style 1 or none --90.

89b. Styles 2 to 7 --94.

     90a. Stamens 5 --91.

     90b. Stamens 10 --92.

     90c. Stamens neither 5 nor 10 --93.

91a. Flowers blue, sessile in terminal spikes with leaf-like bracts
                                                    =LYTHRACEAE=, p. 77.

91b. Flowers not in terminal bracted spikes        =PRIMULACEAE=, p. 87.

     92a. Leaves entire                             =LYTHRACEAE=, p. 77.

     92b. Leaves toothed or crenate                  =ERICACEAE=, p. 84.

93a. Flowers irregular; petals 3                  =POLYGALACEAE=, p. 65.

93b. Flowers regular; petals 5 or more              =LYTHRACEAE=, p. 77.

     94a. Sepals 2, partly attached to the ovary =PORTULACACEAE=, p. 34.

     94b. Sepals 5, free from the ovary --95.

95a. Stamens 5 --96.

95b. Stamens not 5                             =CARYOPHYLLACEAE=, p. 31.

     96a. Flowers blue or yellow                      =LINACEAE=, p. 63.

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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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