76 
4. Mitella pentandra Hook. Bot. Mag. f/. 2973. 1828. 
Drummondia mitelloides DC. Prodr. 4: 50. 1830. 
Pectiantia mitelloides Raf. F\. Tell. 2: 72. 1836. 
Mitellopsis Drummondia Meisner, P|. Vasc. Gen. 1: 100. 1836. 
Mitellopsis pentandra Walp. Rep. 2: 370. 1843. 
_Alaska, British Columbia, Montana, Colorado, Utah. 
5. Mitella Breweri A. Gray, Proc. Am. Acad. 6: 533. 1865. 
British Columbia, Washington, California. 
6. Mitella ovalis Greene, Pittonia, 1: 32. 1887. 
Mitella Halhi Howell, Erythea, 3: 33. 1895. 
Vancouver Island. 
7. Mitella trifida Graham, Edinb. New Phil. Journ. April, 1829. 185. 
Ozomelis varians Raf. Fl. Tell. 2: 73. 1836. 
Mitellopsis Hookeri Meisner, P|. Vasc. Gen. 1: 100. 1830. 
8. Mitella diversifolia Greene, Pittonia, 1: 32. . 1887. 
California, Oregon. 
17. LEPUROPETALON Ell. Bot. S.C. & Ga. 1: 370. 1817. 
1. Lepuropetalon spathulatum (Muhl.) Ell. Bot. S.C. & Ga. 1: 
370. 1619, 
Pyxidanthera spathulata Muhl. Cat. 24. 1813. 
Cryptopetalum pusillum Hook. & Arn. Bot. Misc. 3: 345. 1832- 
Lepuropetalon pusillum C. Gay, Fl. Chil. 3: 42. 1847. 
South Carolina, Chile. 
18. CHRYSOSPLENIUM L. 
Leaves alternate; stamens 8. 1. C. alternifolium. 
Leaves opposite, or alternate; stamens 4. 2. C. tetrandrum. 
Leaves opposite; stamens 8. 
Leaves obscurely crenate-lobed. 3. C. Americanum. 
Leaves crenate-dentate. 4. C. glechomacfolium. 
1. Chrysosplenium alternifolium L. Sp. Pl. 398. 1753- 
Alaska, Europe, Asia. 
2. Chrysosplenium tetrandrum Th. Fries, Bot. Notis. 193. 1858. 
Chrysosplenium alternifolium var. tetrandrum Lund. in Sched. _ 
ex Maxim, Mel. biol. 9: 761. 
