( 937 j 
4. Thalictrum Tourn. Meavow-Rus. 
Involucre 0. Sepals 4 or 5, very caducous. 
Petals 0. Ovaries o, l-ovulate. Fruit o- 
capitate akenes. Leaves ternately compound. 
af. 
1. T. Fenptert Engelm. Flowers violet. 
Saucelito. San Mateo. Summer. 
8, Anemone Hall. 
Involucre 3-foliate. Sepals petaloid, 5 or a 
multiple. Petals 0. Ovaries , 1-ovulate. 
Fruit o, capitate akenes.—2f. 
1. A.Grayi Kellogg & Behr. Flowers 
white, tinged with blue or purple.—Tamalpais. 
Camp Taylor. Spring. 
9. Clematis L. VirGin's-BowEr. 
Sepals 4, petaloid, not imbricate in sstiva- 
tion. Petals 0. Ovaries l-ovulate. Fruit oo 
akenes, caudate by the persistent style. 
1. ©. asrantaa Nutt. Tomentose; flowers 
solitary on long peduncles, pale.—2f¢. Niles. 
Summer. 
2. C. LiausticiroLtia Nutt. Almost gla- 
brous; Flowers paniculate, pale.—-2¢. San Ma- 
teo. Niles. Marin County. Summer. 
-Orver 3. RANALES. Floral parts having 
.a@ pronounced tendency to merge gradually into 
each other. 
