Part 4, 1908] ROSACEAE 383 
above, 1-1.5 em. long; flowers in small axillary clusters, short-pedicelled; hypanthium 
deeply urceolate, about 2 mm. long, acute at the base, coarsely strigose; bractlets and 
sepals lanceolate, scarcely 1 mm. long, acute; filaments two thirds as long as the sepals; 
pistil solitary, on a rather thick stalk. 
Type collected near Angangueo, Mexico, Schiede 588 {herb. Columbia University]. 
6. Lachemilla velutina (S. Wats.) Rydberg. 
Alchemilla velutina S, Wats. Proc. Am. Acad. 17: 354. 1882. 
Branched perennial ; stems decumbent or ascending, leafy, strigose with rather long 
hairs ; stipules connate and adnate to the petioles, usually 2-cleft; lower leaves short~- 
petioled, the upper sessile; leaf-blades divided to near the base into 3 cuneate divisions, 
which are 1 cm. long or less, sparingly strigose on both sides or glabrate above, 3-5-cleft 
with oblong lobes; flowers in small axillary clusters, nearly sessile; hypanthium urceo- 
late, less than 1 mm. long, constricted at the mouth, finely and usually densely pubescent 
with short spreading hairs; bractlets lanceolate, shorter than the ovate sepals, which are 
scarcely 0.5 mm. long; carpels usually solitary. 
TYPE LOCALITY : Swampy places about San Luis Potosi, Mexico. 
DISTRIBUTION: Central Mexico. 
7. Lachemilla tripartita (R. & P.) Rydberg. 
Alchemilla tripartita R. & P. Fl. Per. 1: 68. 1798. 
Aphanes tripartita Pers. Syn. Pl. 1: 150. 1805. 
Cespitose perennial; stems ascending or erect, branched, leafy, strongly hirsute with 
spreading hairs; lower leaf-blades short-petioled, the upper sessile; stipules 4-5 mm. long, 
connate and adnate to the petioles, dissected into linear-lanceolate divisions ; leaf-blades 3- 
parted to near the base, sparingly hirsute above, more densely so beneath ; divisions cuneate, 
1 cm. long or less, deeply toothed or cleft with linear or lanceolate divisions; flowers in 
small clusters in the axils of the upper leaves; hypanthium urceolate, sparingly hirsute, 
about 1 mm. long ; bractlets and sepals lanceolate, about half as long, acute; pistils usually 2. 
TYPE LOCALITY: Pillao, Peru. : 
DISTRIBUTION : In the mountains from Bolivia to Central Mexico. 
8. Lachemilla Pringlei Rydberg, sp. nov. 
Alchemilla hirsuta campestris Cham. & Schlecht. Linnaea 5: 572,in part. 1830. 
Erect. perennial, with branched root; stems branched, 3-4 dm. high, sparingly hirsute ; 
lower leaves petioled, the upper sessile; stipules connate, and adnate to the petioles, often 
1 cm. long, divided into 2-4, linear or lanceolate divisions ; leaf-blades light-green, 3-parted 
to near the base, sparingly hirsute-strigose beneath, glabrate above, the divisions cuneate or 
obovate, coarsely toothed above the middle, 1-2 cm. long; flowers in small, axillary and 
terminal clusters, subsessile or short-pedicelled ; hypanthium urceolate, a little over 1 mm. 
long, constricted at the mouth, strigose; bractlets lanceolate, glabrous, shorter than the 
ovate, acutish sepals; filaments half as long as the sepals; pistils 2-4. 
Type collected in Sierra de San Felipe, State of Oaxaca, Mexico, in 1894, Pringle 4876 (herb. 
Columbia University]. . 
DISTRIBUTION : Central and southern Mexico and Guatemala. 
9. Lachemilla orizabensis Rydberg, sp. nov. 
Diffusely branched perennial; stem decumbent, strigose, leafy; lower leaves petioled, 
the upper sessile; stipules connate and adnate to the petioles, usually divided into 2 or 3 
linear or oblong divisions; petioles of the lower leaves about 5 mm. long, strigose ; leaf- 
blades 3-parted to the base, dark-green, strigose with long hairs on both sides or glabrate 
above; divisions cuneate, about 5 mm. long, deeply 3-5-cleft into linear divisions ; flowers 
in small axillary clusters, short-pedicelled; hypanthium urceolate, strigose, about 1 mm. 
long; sepals and bractlets lanceolate, almost as long as the hypanthium, with a few hairs 
on the margins and mid-veins; filaments about half as long as the sepals; pistils usually 2, 
short-stipitate, but developed achenes often solitary. 
Type collected at Mount Orizaba, Mexico, in 1855, F. Mueller 1353 [herb. Columbia 
University]. 
