618 ROSACEAE 
G. geniculatum Michx. Stem 5-9 dm. tall: blades s ox lower leaves 
toothed or 3-divided: braetlets linear, about 14 as long as sepals: white, 
with darker veins: achene-body 3.5—4. 5 mm. long.—W ooded rd Blue Ri idge, 
N. C. and Tenn 
18. STYLIPUS Raf. Perennial herbs resembling Geum in habit, but 
calyx not accompanied by a series of braetlets. Style elongated and ene 
bent near the apex. Head of carpels, or 
jd oe —About 3 species, North png 
Am CH SMS: 
ntan: YN 
aves; 
1. S. vernus Raf. Stem and branches often 
decumbent: blades of the lower leaves both 
e pi s about 2 m 
m. long: 
petals 1n d e the sepals: head 
of achen f = diameter: achene- 
body 3 m "c Gown vernum T. & G. 
— Thickets ‘and open woods, various prov- 
in, . to t. 
nd N. his of the ‘‘western’’ 
plants that have migrated N through 
the channels of agric 
19. SIEVERSIA R. Br. Perennial caulescent herbs. Leaf-blades vari- 
ous, those of the basal leaves with G blades, those of the cauline 
smaller and usually simple. Flowers few 
solitary. Petals yellow or sues: as 
notched. Carpels numerous: style elongate, 
not jointed, pubescent or plumose. About 
15 species, of Alpine and arctic regions. 
1. S. soar (Michx.) Greene. Plant - 
dm. tall, hirsute: basal leaves with lyra 
aA Le the terminal division ue 
orbieular or reniform 4—]5 em. wide: sepals 
acuminate: petals deep- Sloe. 12-18 mm 
long, deeply obcordate: achene- ek 3—4 
mm. lo [Ge radiatum Michx. ]— 
mE Blue Ridge, N. C. and Tenn. — Sum. 
L. Perennial unarmed ereeping herbs.  Leaf-blades 
me denied Flowers of 2 kinds, some petaliferous, but usually sterile on 
long erect unie others apetalous and 
fruit-producing hort curved peduncles di Ve 
(not further Pared he re). Sepals 5 or E. E 
6, the 3 larger _ at least, toothed at the EZ ii EP 
apex. Petals mostly 5, white, deciduous. dius 
Carpels 5-10. a a cluster of nearly dry 
drupelets.—One species. 
1. D. repens L. Stem and branches soft- 
pubescent: leaf blados ovate to orbicular, 
2—5 em. wide, erenate, pubescent on both 
sides, cordate, slender-petioled: sepals 6-7 
mm. long, pubescent: petals elliptie, oval, 
