8 
13. Family.. ..Junci. 
Alisma, Commelina, Eriocaulon, Floerkea, Helonias, 
Juncus, Mayaca, Melanthium, Narthecium, Nectris, 
Nolina, Pleea, Sagittaria, Scheuchzeria, Tofieldia, Tra- 
descantia, Triglochin, Veratrum, Zygadenus. 
14. Family.. ..Liliaceje. 
Erythronium, Lilian], Streptopus, Tulipa, Uvularia, 
Yucca. 
15 . Family.. ..Bromeli^:. 
Agave, Burmannia, Tillandsia, Tripterella. 
16. Family... .Asphodeli. 
Ale his, Allium, Anthericum, Hyacinth us, Phalam 
gium, Ornithogalum. 
17. Family.. ..Narcissi. 
Amaryllis, Heteranthera, Hypoxis, Pancratium, P 011 - 
tederia, Schollera. 
18. Family.. ..Irides. 
Dilatris, Iris, Ixia, Sisyrinchium. 
19. Family.. ..Musas. 
No plants of this family are known to exist in the 
United States. 
20. Family.. ..Cannje. 
Canna, Thalia. 
21 . Family.. ..Orchidejb. 
Arethusa, Cymhidium, Cypripedium, Epidendrum, 
Epipactis, Limodorum, Malaxis, Neottia, Orchis, Sa- 
tyriurn. 
22. Family....H ydrocharides. 
Hydrocharis, Nelumbium, Nymphsea, Pistia, Pro- 
serpinaca, Yallisneria. 
