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Section Viii. Flowers 72

The Elements of Botany, for Beginners and for Schools · Asa Gray — chapter 2 of 28 · ~154 words · public domain

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Sec. 1. POSITION AND ARRANGEMENT, INFLORESCENCE 73

Raceme 73 Corymb, Umbel, Spike, Head 74 Spadix, Catkin, or Ament 75 Panicle: Determinate Inflorescence 76 Cyme, Fascicle, Glomerule, Scorpioid or Helicoid Cymes 77 Mixed Inflorescence 78

Sec. 2. PARTS OR ORGANS OF THE FLOWER 79

Floral Envelopes: Perianth, Calyx, Corolla 79 Essential Organs: Stamen, Pistil 80 Torus or Receptacle 81

Sec. 3. PLAN OF THE FLOWER 81

When perfect, complete, regular, or symmetrical 81 Numerical Plan and Alternation of Organs 82 Flowers are altered branches 83

Sec. 4. MODIFICATIONS OF THE TYPE 85

Unisexual or diclinous 85 Incomplete, Irregular, and Unsymmetrical 86 Flowers with Multiplication of Parts 88 Flowers with Union of Parts: Coalescence 88 Regular Forms 89 Irregular Forms 90 Papilionaceous 91 Labiate 92 and Ligulate Corollas 93 Adnation or Consolidation 94 Position of Flower or of its Parts 96

Sec. 5. ARRANGEMENT OF PARTS IN THE BUD 97

AEstivation or Praefloration, its kinds 97

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