358 THE PLANT PHYLA 
ium, Tulipa, Yucca, Asparagus, 
Allium. 
Family 11. Stemonaceae; 12, Pontederiaceae; 13, 
Cyanastraceae; 14, Philydraceae. 
Family 15. Commelinaceae. Spiderworts. Succu- 
lent herbs with 3 or 2-celled pistil, 
and 6 stamens.—Commelina, Trades- 
cantia. 
Family 16. Xyridaceae; 17, Mayaceae. 
Family 18. Juncaceae. Rushes. Herbs with stiff, 
| narrow leaves, and 1 to 3-celled pistil. 
—Juncus. 
Family 19. Eriocaulonaceae; 20, Thurniaceae; 21, 
Rapateaceae; 22, Naiadaceae. 
Order AraLtES. Compound pistil mostly tricarpellary, 
’ superior; ovules solitary. 
Family 23. Cyclanthaceae. 
Family 24. Araceae. Arums. Mostly herbs with 
broad,  petioled — reticulate-veined 
leaves; flowers small, clustered.— 
Acorus, Symplocarpus, Calla, Cala- 
| dium, Arum, Arisaema. 
Family 25. Lemnaceae. §Duckweeds. Reduced 
plants related to the Araceae, with 
flat plant-body floating free on water. 
—Lemna, Spirodela. 
Order PatMALES. Compound pistil mostly tricarpellary, 
superior; ovule usually 1; perianth 
reduced to rigid scales. 
Family 26. Palmaceae. Palms. Trees or shrubs 
with pinnate or palmate leaves.— 
Phoenix, Chamaerops, Calamus, Ore- 
odoxa, Cocos. 
Order GRAMINALES. Compound pistil reduced to 2 or 
3 carpels; ovule solitary; perianth re- 
duced to small scales, or wanting. 
Family 27. Restionaceae; 28, Centrolepidiaceae; 29, 
Flagellariaceae. 
Family 30. Cyperaceae. Sedges. Grass-like herbs 
with 3-ranked leaves.—Cyperus, Scir- 
pus, Carex. 
