380 NORTH AMERICAN FLORA [VorumME 22 
2. Aphanes occidentalis (Nutt.) Rydberg. 
Alchemilla occidentalis Nutt.; T. & G. Fl. N. Am. 1: 432. 1840. 
Alchemilla arvensis occidentalis Piper, Fl. Palouse Reg. 96. 1901. 
Low annual ; stems 3-10 cm. high, profusely branched, ascending, hirsute with ascend- 
ing hairs; stipules connate, often 5 mm. long, 2-4-cleft, with lanceolate divisions; leaf-blades, 
except the uppermost, petioled, cuneate-flabellate in outline, deeply 3-parted, 5-8 mm. long ; 
divisions cuneate, again 3-5-cleft into oblong divisions, sparingly hirsute on both sides; hypan- 
thium nearly 1 mm. high, urceolate, rather densely pubescent with short, spreading hairs ; 
bractlets usually present, ovate, about half as long as the ovate acutish sepals; staméen 
solitary; pistils 1 or 2; achene usually solitary, glabrous, nearly 1 mm. long. 
TYPE LOCALITY: Rocky plains of the Oregon [Columbia River]. 
DISTRIBUTION : Oregon and Washington. 
3. Aphanes australis Rydberg, sp. nov. 
? Alchemitla monandria Sw. Prodr. 38. 1788. 
Alchemilla Aphanes Pursh, Fl. Am. Sept. 112. 1814. Not A. Aphanes Leers. 1775. 
Alchemilla arvensis T. & G. Fl. N. Am. 1: 432. 1840. Not Alchemilla arvensis Scop. 1772. 
Low annual; stem 3-10 dm. high, branched at the base, decumbent or ascending, stri- 
gose; stipules 3-4 mm. long, connate with 3 or 4 oblong divisions ; lower leaves petioled, the 
rest sessile, the blades broadly cuneate in outline, sparingly pubescent with rather appressed 
hairs, 3-10 mm. long, 3-parted and the divisions again 3-5-cleft or -toothed; hypanthium 
urceolate, nearly 1mm. long, pubescent with short spreading hairs; bractlets broadly ovate, 
minute; sepals broadly ovate, about one fourth as long as the bypanthium, usually closed 
in fruit; achenes usually solitary, ovoid, glabrous and shining. 
Type collected in pastures near Washington, D. C., in 1898, &. S. Steele. 
DISTRIBUTION: From the District of Columbia and Virginia to Georgia. 
4. Aphanes cuneifolia (Nutt.) Rydberg. 
Alchemilla cuneifolia Nutt.; T. & G. Fl. N. Am. 1: 432. 1840. 
Alchemilla arvensis Brewer & Wats. Bot. Calif. 185. 1876. Not Alchemiila arvensis Scop. 1772. 
Alchemilla arvensis glabra Greene, Fl. Fran. 62. 1891. 
Low slender annual; stem often simple or somewhat branched, ascending or erect, 2-10 
em. high, rather sparingly pubescent with ascending hairs ; stipules less than 5 mm. long, 
connate, with 2-4 ovate teeth ; lower leaf-blades short-petioled, the upper sessile, 2-8 mm. 
long, cuneate, sparingly pubescent, 3-cleft about halfway down, their divisions with 24 
ovate teeth; hypanthium nearly 1 mm. long, urceolate, pubescent with short, spreading 
hairs or glabrous; bractlets minute or often wanting; sepals ovate, about one third as long 
as the hypanthium ; achenes usually solitary. 
TYPE LOCALITY: Dry plains, St. Barbara, California. 
DISTRIBUTION : From Washington to Lower California. 
5. Aphanes macrosepala Rydberg, sp. nov. 
Low annual; stems hirsute with ascending hairs, decumbent, much branched at the 
base; stipules connate, less than 5 mm. long, with 2-4 ovate teeth ; leaf-blades subsessile 
or the lowest short-petioled, 3-6 mm. long, sparingly pubescent, cuneate-flabellate, 3-cleft, 
the divisions 2-4-toothed ; hypanthium short-urceolate, in fruit rounded-ellipsoid, densely 
pubescent with moderately long, divaricate hairs; sepals and bractlets lanceolate ; the former 
nearly as long as the hypanthium ; the latter about one third as long; achenes usually sol- 
itary, glabrous, ovate, acute, yellowish and shining. 
Type collected at Wimer, Oregon, in 1892, E. W. Hammond 116 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: British Columbia to California. 
32. LACHEMILLA (Focke) Rydberg, gen. nov. 
Alchemilia § Lachemilia Focke, E. & P. Nat. Pfl. 33: 43. 1894. 
Herbs, with perennial roots, of various habits, sometimes wholly herbaceous, sometimes 
with cespitose woody caudices or with branched rootstocks. Stipules, at least of the stem- 
leaves, connate and adnate to the petioles or leaf-blades, or together with the reduced leaf- 
blades forming obconic, many-cleft sheaths ; basal leaf-blades digitately lobed or divided. 
