4 CONTENTS. 



PART FIRST.-STRUCTURAL BOTANY, OR ORGANOGRAPHT 19 



CHAPTER I. The Flower. It may consist of, 19 



a The leafy Envelopes, or Perianth, in 2 whorls or sets. 



1, The onter circle, of Sepals, usually green. Calyx. 



2, The inner circle, of Petal?, usually colored Corolla. 



6 The Essential Organs, also in 2 whorls or sets. 



3, An outer set, of Stamens, within the corolla Amlrcecium. 



4, The inner and central set, of Pistils Gyncecium. 



c The base, or platform on which these organs stand Torus. 



CHAPTER n. Plan of the Flower. The Typical Flower, 21 



1, Consisting of 4 whorled sets of organs, is Complete. 



2, Each set having the same number of parts Symmetrical. 



3, The parts composing each set uniform Regular. 



4, All the parts separate and distinct from each other Free. 



5, Parts of adjacent sets alternating in position Alternate. 



CHAPTERS III. and IV. Anomalous Flowers. Deviations from the Type 23 



1, Variations in the Radical Number From */ to v'. 



8, Deficiencies, rendering the flower 



a Incomplete. Corolla wanting Apetalous. 



Corolla and calyx both wanting Naked. 



b Imperfect. The stamens wanting 9 Pistillate. 



The pistils wanting Staminato. 



c Unsymmetrical, from the suppression of a part of some set. 

 d Organs opposite, from the suppression of some entire set. 

 % Redundancies. 



a Organs increased in number, by multiples Multiplication. 



by clusters Chorisia. 



b Appendages. Horn-like nectaries projecting backward Spurs. 



Attached to the inside of the petals Scales. 



Enlarged scales Crown. 



Glandular bodies Glands. 



V Union of Parts. 



a By Cohesion. Petals unitad Gamopetalous, or Monopetalous. 



Stamens united Monadelphous. 



Pistils united Compound. 



5 By Adhesion. Parts blended with the Calyx Perigyuous. 



Parts blended with the Ovary Epigynous. 



6, Irregularities. Torus lengthened, excavated, &c. 



Like organs, becoming unequal in size, &c. 



CHAPTER V. Of the Floral Envelopes, or Perianth 30 



CHAPTER VI. Forms of the Perianth 34 



1, Dialypetalous, or Polypetalous. 



* Regular. a Four lou<r-clawed petals spreading at right-angles.. Cruciferous. 



b Fire short-clawed spreading petals Rosaceous* 



c Five spreading petals on long erect claws.... Caryophyllaceoua. 

 d A 6-leaved gradually spreading perianth Liliaceous. 



* Irregular. e Five petals, 2 pairs and an odd one Papilionaceous. 



/ Six petals, one of them lip-like ,..,., .Orchidaceous. 



t, Gamopetalous, or Monopetalous. ( 102) 



* Regular. a Tube very short, border flat, spreading Rotate. 



b Tube very short, border wide, concave, Cup-form, &C M &c. 



* Irregular. c Cylindrical tube split clown, &c. <| 103) 

 | Transformations of the Perianth. ( 101-108) 



1, In the Composite. A circle of dry scales or bristles Pappus . 



8, In the Bog-Rushes. A circle of 6 (more or les?) bristles Seta 



