ANTHOPHYTA 357 



Family 9. Taxaceae. Yews. Microsporophyll with 

 3 to 5 sporangia; megasporophyll 

 solitary; seeds 1 or 2, erect. Taxus, 

 Torreya. 



Phylum XIV. ANTHOPHYTA. The Flowering. Plants 



Minute gametophytes developed in seeds enclosed in carpels 

 in flowers, produced by the large, leafy-stemmed and 

 rooted sporophytes; sperms not motile 

 (Sp. about 132,500.) 



Class 32. MONOCOTYLEDONS AE. Monocotyledons- 

 Leaves of sporophyte alternate, from 

 the first, usually parallel veined; 

 fibrovascular bundles of stem scat- 

 tered. (Sp. about 23,700.) 



Sub-Class MONOCOTYLEDONEAE-HYPOGYNAE. Peri- 

 anth and stamens arising below the 

 carpels (carpels superior). 



Order ALISMATALES. Carpels separate, superior to all other 

 parts of the flower. 



Family 1. Alismataceae. Water Plantains. Large- 

 leaved herbs with rather large flowers 

 having calyx and corolla of 3 leaves 

 each. Alisma, Sagittaria. 



Family 2. Butomaceae; 3, Triuridaceae; 4, Scheuch- 

 zeriaceae. 



Family 5. Typhaceae. Cat-tails. Tall herbs with 

 linear, sheathing leaves and cylin- 

 drical-crowded flowers. Typha. 



Family 6. Sparganiaceae; 7, Pandanaceae; 8, Apon- 

 ogetonaceae. 



Family 9. Potamogetonaceae. River-weeds. Most- 

 ly aquatic herbs with reduced small 

 flowers. Potamogeton, Zostera, Zan- 

 nichellia. 



Order LILIALES. Carpels (usually 3) united forming a 

 compound pistil, superior; perianth 

 in two whorls (of 3 each), corolla-like. 



Family 10. Liliaceae. Lilies. Pistil, mostly 3- 

 celled; stamens 6. Lilium, Erythron- 



