Loading your reading…

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

42b. Flowers in racemes, panicles, flat-topped clusters, or merely
          1 or 2 --45.

43a. Leaves almost round, peltate, palmately veined
                                           3a, in =UMBELLIFERAE=, p. 80.

43b. Leaves at least twice as long as broad, with a single mid-vein
     --44.

     44a. Stamens 5                                =PRIMULACEAE=, p. 87.

     44b. Stamens 10                          15, in =ERICACEAE=, p. 85.

45a. Leaves cylindrical, hollow, obtuse.   1a, in =LOBELIACEAE=, p. 113.

45b. Leaves beset on the upper side with long glandular hairs; bog plant
     with flowers in racemes                       =DROSERACEAE=, p. 48.

45c. Leaves flat, pubescent or smooth, but not with long glandular hairs
     --46.

     46a. Sepals and petals each 4           53, in =CRUCIFERAE=, p. 46.

     46b. Sepals and petals each 5 --47.

     46c. Sepals 6; petals none; flowers minute, green; leaves
          frequently lobed at the base      4, in =POLYGONACEAE=, p. 25.

47a. Petals united with each other in an irregular corolla
                                             =LENTIBULARIACEAE=, p. 105.

47b. Petals separate from each other --48.

     48a. Stamens 10; style 1                        =ERICACEAE=, p. 84.

     48b. Stamens 5 or 10; styles 2              =SAXIFRAGACEAE=, p. 49.

     48c. Stamens and pistils each very numerous --49.

49a. Flowers white                            64a, in =ROSACEAE=, p. 56.

49b. Flowers yellow                      13a, in =RANUNCULACEAE=, p. 36.

                                 --50--

     50a. Leaves compound or deeply lobed --51.

     50b. Leaves entire or toothed --54.

51a. Flowers in axillary racemes, spikes, or panicles
                                                    =URTICACEAE=, p. 23.

51b. Flowers terminal, or in terminal clusters --52.

     52a. Flowers in umbels; leaves palmately compound
                                                    =ARALIACEAE=, p. 80.

     52b. Flowers in racemes or spikes, or solitary --53.

53a. Leaves deeply pinnatifid; swamp plants with flowers in spikes or
     solitary                                   =HALORAGIDACEAE=, p. 79.

53b. Leaves lobed, or irregularly pinnately cut or dissected; weedy
     plants with flowers in racemes          2, in =COMPOSITAE=, p. 114.

     54a. Juice milky                      3, in =EUPHORBIACEAE=, p. 67.

     54b. Juice not milky or colored --55.

55a. Leaves whorled --56.

55b. Leaves all opposite --58.

     56a. Aquatic or mud plants with erect stems
                                         2a, in =HALORAGIDACEAE=, p. 79.

     56b. Prostrate weedy terrestrial plants         =AIZOACEAE=, p. 31.

     56c. Erect or ascending terrestrial plants --57.

57a. Leaves more than 2.5 cm. long            4a, in =CORNACEAE=, p. 83.

57b. Leaves 2 cm. long or less              3a, in =PRIMULACEAE=, p. 87.

     58a. Flowers in terminal or axillary spikes, racemes, or other
          clusters --59.

Public-domain text, read in full here on John Shaqi.

The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State

No reviews yet