Synopsis of the Natural Orders. 



82. Naiadaceae. 



(Pond- weed Family). Marsh or water plants with inconspicuous 

 green flowers. 



* +t Carpels united. 



76. Liliaceae. 



(Lily Family). Herbs with perfect flowers. Stamens 6. Perianth 

 6-partite. Ovary 3-celled. 



77. Trilliaceae. 



(Herb-Paris Family). Herbs with perfect flowers. Stamens 6 — 10. 

 Fruit a berry, leaves netted-veined. 



79. Melanthaceae. 



(Crocus Family). Herbs with perfect flowers. Stamens 6. Perianth 

 petaloid, 6-partite. Fruit a 3-valved capsule. 



86. Juncaceae. 



(Rush Family). Rushes with small brown flowers. Stamens 6. 

 Ovary of 3 carpels i — 3-celled. 



84. Araceae. 



(Arum Family). Flowers sessile on a spadix enclosed in a spathe. 

 Fruit a berry. 



83. Lemnaceae. 



(Duckweed Family). Floating fronds, without stems. Flowers 

 minute on the fronds. 



85. Typhaceae. 



(Bulrush Family). Erect marsh or water plants. Flowers monoecious 

 in spikes. 



B— Glumacese. 



87. Cyperaceae. 



(Sedge Family). Stems solid usually triangular grass-like, leaves very 

 slender, with entire sheaths. 



88. Gramineae. 



(Grass Family). Stems solid round, leaves with sheaths split to the 

 base. 



Class III.— ACOTYLEDONS. 



Flowerless plants. Reproduction by spores. 



89. Filices. 



(Fern Family). Spores of one kind minute in spore cases on the 

 frond — rarely in spikes or panicles. 



90. Lycopodiaceae. 



(Clubmoss Family). Creeping moss-like plants, with spores of two 

 kinds. 



91. Equisetaceae. 



(Horsetail Family). Stems erect hollow jointed, with whorled 

 branches. Spores of one kind. 



