CONTENTS xill 
CHAPTER XVIII 
Paytum XII. CycapopnytTa: Cycapbs 
PaGE 
General Characters. ‘Seed-ferns.’”’ Common Cyeads. © 
“Flowering Plant Ancestors.” Conifer Ancestors. 
Maidenhair Trees. Joint-firs..........4.. 271 
CHAPTER XIX 
Puytum XIII. Srrosmoruyta: ConrirEers 
General Characters. Taxodiums. Old Pines. Modern Pines, 
Genera of Modern Pines. Cypresses. Junipers. Yews. 277 
CHAPTER XX 
Puytum XIV. ANTHOPHYTA: FLOWERING PLANTS 
General Characters. Typical Flower; Buttercup; Water 
Plantain; Strawberry. Two Classes. Monocotyledons; 
Lilies; Calla Lilies; Palms; Grasses; Amaryllises; Orchids. 
Dicotyledons; Axis Flowers, Magnolia, Mallow, Gera- 
nium, Violet, Mustard, Pink, Primrose, Phlox, Petunia, 
Snapdragon, Sage; Cup Flowers, Spiraea, Rose, Apple, 
Plum, Pea, Currant, Evening Primrose, Prickly Pear, 
Walnut, Oak, Parsnip, Honeysuckle, Sunflower, Dande- 
lion. Summary of Anthophyta; Evolution; Progressive 
Development through the Phyla. .......... 284 
CHAPTER XXI 
Some SpeciaAL ADAPTATIONS 
Plant Body; Thorns; Storage Organs; Mesophytes; Xero- 
phytes; Hydrophytes; Parasites. The Flower; Anemo- 
philous; Entomophilous; Colors and Odors; Nectar; 
Actinomorphic; Zygomorphic; Proterogynous; Proteran- 
drous; Dimorphic; Parthenogenesis. Seed Distribution. 319 
