75 
6. Lithophragma tripartita Greene, Erythea, 3: 102. 1895. 
Lellima tripartita Greene, Erythea, 1: 106. 1893. 
California. 
re ee oper agtee Bolanderi A. Gray; Proc. Am. Acad. 6: 535. 
1865. 
Tellima Bolanderi Boland. Catal. 11. 1870. 
California. 
8. Lithophragma scabrella Greene, Erythea, 3: 102. 1895. 
Tellima scabrella Greene ; Pittonia, 2: 162. 1891. 
California. 
9. Lithophragma Cymbalaria T. & G. Fl. N. A. 1: 585. 1840. 
Tellima Cymbalana ioe Rep. 2: 372. 1843. 
California. 
to. Lithophragma Williamsii (D. C. Eaton) Greene, Erythea, 
3:. 102s: 1805. 
Heuchera Williamsii D. C. Eaton, Bot. Gaz. 15: 62. 1890. 
Tellima nudicaulis Greene, Pittonia, 2: 162. 1891. 
Montana, Wyoming. 
16. MITELLA L. 
Stem leafy. 
Stem-leaves a single pair, opposite; stamens Io. 1. M7. diphylla. 
Stem-leaves 2~3, alternate; stamens 5. 2. M. caulescens. 
Stem a leafless scape. 
Stamens Io. 3. ML. nuda. 
Stamens 5. 
Stamens opposite the petals. 4. M. pentandra. 
Stamens alternate with the petals. 
Petals greenish or yellow, pinnately-parted. 
Leaves round-reniform, mostly glabrous. 5. 47. Brewert. 
Le.ves oval, hirsute on upper surface. 6. M. ovalis. 
Petals white, 3-cleft. 
Calyx campanulate, lobes long, spreading. 7. M. trifida. 
Calyx-lobes short; leaves angulate-lobed. 8. M. diversifolia, 
1. Mitella diphylla L. Sp. Pl. 406. 1753- 
Quebec to Minnesota, North Carolina and Missouri. : 
2. Mitella caulescens Nutt.; T. & G. Fl. N. A. 1: 586. 1840. 
Washington, Oregon, Idaho. 
3. Mitella nuda L. Sp. Pl. 406. 1753- 
Newfoundland to British Soe: oF ia pe M Michigan 
