SAXIFRAGACEAE | 595 
6. THEROPHON Raf. Perennial herbs without runners. Leaves mainly 
cauline. Petals white, with broad blades. Stamens 5, the filaments short. 
Styles equal. fF ollicles with spreading 
beaks. a Nutt. ]—About 10 species, 
North American. 
2-10 dm. tall: leaf- blades 4-18 em e, 
5-9-lobed and ineised-serrate: sepa als tri- 
pal uat - ud oadly laneeolate, about 
l mm. long: pet 3-3.5 mm. long; blades 
oval to Rim ma capsule 3-4 mm. 
1. T. aconitifolium (Nutt.) Millsp. Plants 
wide 
« 
long. [B. aconitifolia Nutt.]—(BROOK- ` N 
SAXIFRAGE.)—Along streams, Blue Ridge ks 
and Puer peni Ga. to Tenn., SH 
W. Va., and Va.—Spr.-sum a 
7. MICRANTHES Haw. Acaulescent herbs with short caudices. Leaf- 
blades ovate to flabellate, or rarely cordate at the base. Petals re Mad 
ual. Carpels slightly united belov [Saxifraga L. in part.]— 
species, most abundant in the wie parts of the Nodo. NUM 
SAXIFRAGES. DWARF-SAXIFRAGES. 
Filaments subulate or filiform-subula 
Petals wholly white, destitute of SHORE spots. 1. M. virginiensis. 
Petals eh n each with 2 yellow spots below the 
Petals ls lanceolate to elliptic-lanceolate: follicles 4-5 
2. M. tennesseensis. 
Pe ta is elliptic: follicles 2.5-3 mm. long. 3. M. Careyana. 
Filaments clavate 
Leaf-blades not elongate: petals bimaculate. 4. M. AA RA 
Leaf-blades elongate: petals wholly white. 5. M. icranthidifolia. 
M. virginiensis (Michx.) Small. o 2—20 cm. long; blades ovate, oval 
or r elliptic: cymules becoming lax, axis often elongate: petals elliptie, 
4—5.5 mm. lo irginiensis — 
rocks, various provinces, Ga. to Ala., Min nn., 
and N. B.—Spr. 
2. M.tennesseensis Small. Leaves 4—13 em. 
long; blades ovate, sometimes suborbicula 
or aoe -ovate or occasionally o SE] 
renifor cymules open: petals lanceolate 
to eliptic UR 4-4.5 mm. lon 
(GOLDEN-EYE SAXIFRAGE. )—Limestone bluffs, 
een re Valley, Tenn.—Spr. 
=Y 
M. Careyana (A. Gray) § Small. Leaves 
2 11 em. long; blades ovate to orbicular- 
i : mules lax: 
ovate or somewhat Pins orm: les 1 
p elliptic, 2.5-3 mm. long: follicles 2. 5-3 mm. long. [S. Careyana A. 
Gray.]—Cliffs, Blue Ridge, N. C. and Tenn.—Spr. 
4. M. M pun Na (A. Gray) Small. ig. 5-19 em. long; blades oval 
to orbicular or ovate: ism wide: petals 3-3.5 mm. pi iR ein to elliptic- 
ovate: follieles n^ mm S. n A. Gray.]— and limestone 
eliffs, Blue Ridge and dS anis provinees, N. C. to Va a 
