5IO ?LORA. 



obtuse, short-petioled, dentate, silky-pubescent or canescent below, 1.5-3 cm - l° n g> 

 6-15 mm. broad; flowers axillary, solitary or in pairs, short-peduncled, recurved, 

 about 6 mm. broad; style becoming 5-10 cm. long and very plumose in fruit. In 

 dry or rocky soil, S. Dak. and W. Kans. to northern Mex., west to Cal. April- 

 June. 



2a. ULMARIA Hill. 



Tall perennial herbs, with alternate petioled pinnately divided stipulate leaves, 

 and small perfect flowers in large cymose panicles. Calyx 5 -lobed. Petals 5, 

 clawed. Stamens numerous, inserted on the flat or slightly concave receptacle; 

 filaments narrowed at the base. Pistils about 10 (5— 1 5), distinct; ovary 2-ovuled. 

 Ripe carpels resembling follicles but indehiscent, 1 -seeded. Seed pendulous. 

 [Named from the fancied resemblance of the leaf- segments to those of Ulmus.\ 

 About 9 species, natives of the north temperate zone. 



Lateral leaflets palmately 3-5-lobed ; flowers pink or purple. 1. U. rubra. 



Lateral leaflets merely serrate, or slightly lobed; flowers yellowish white. 2. U.Ulmaria. 



1. Ulmaria rubra Hill. Queen-of-the-Prairie. (I. F. f. 1953.) Glabrous; 

 stem branched, 6-25 dm. tall. Leaves large, the lower sometimes I m. long, 

 pinnately 3-7-foliolate, commonly with smaller leaf-segments interposed or borne 

 on the petiole; the lobes acute, unequally serrate or incised; terminal leaflet larger, 

 7-9-parted; flowers fragrant, about 8 mm. broad; fruit glabrous. In moist grounds 

 and on prairies, Penn. to 111., Mich., Ga., Ky. and Iowa. Escaped from gardens 

 farther east. June-July. [ Spiraea lobata Gronov.] 



2. Ulmaria Ulmaria (L.) Bamhart. Meadow-sweet or Meadow-Queen. 

 Honey-sweet. (I. F. f. 1954.) Stem 6-12 dm. tall. Leaves pinnately 3-9- 

 foliolate, densely and finely white-downy beneath, green above, or in some forms 

 green on both sides; lateral leaflets sessile, opposite, ovate or ovate-lanceolate, 

 acute or acuminate, the terminal one larger and deeply 3-5-lobed, the lobes acute 

 and serrate. Escaped from gardens, Quebec to Mass. Native of Europe and 

 Asia. June- Aug. [Spiraea Ulmaria L.] 



23. ALCHEMILLA L. 



Herbs, with alternate lobed or digitately compound leaves, adnate stipules, and 

 small perfect greenish corymbose or capitate flowers. Calyx persistent, cup-shaped, 

 contracted at the throat, 4-5-lobed, 4-5-bracteolate. Petals none. Stamens 1-4; 

 filaments short. Carpels 1-4; style basal or lateral, slender. Achenes 1-4, enclosed 

 in the calyx-tube. Seed ascending, its testa membranous. [Name from its 

 fancied value in alchemy.] About 35 species, natives of the Old World and of 

 western America from Br. Col. to Chile. 



Annual ; flowers in sessile axillary clusters ; leaves small. 1. A. arvensts. 



Perennial ; flowers in compound terminal corymbs ; leaves large. 2. A. vulgaris. 



1. Alchemilla arvensis (L.) Scop. Parsley-Piert, or Field Lady's 

 Mantle. Akgentill. (I. F. f. 1955.) Annual, softly pubescent, the branches 

 usually slender, ascending, 2-15 cm. high. Stipules toothed or rarely entire; 

 leaves very short-petioled, pubescent, fan-shaped, 4-10 mm. long, deeply 3-parted, 

 the lobes cuneate, 2- 4-cleft; flowers 2-3 mm. broad, in sessile axillary clusters 

 partly enclosed by the stipules. In dry fields, D. C, Va., Tenn., N. Car., and in 

 N. S. Also on the Pacific coast. Nat. or adventive from Europe. April-Sept. 



2. Alchemilla vulgaris L. Lady's Mantle. Dew-cup. (I. F. f. 1956.) 

 Perennial from a woody rootstock. Stipules mostly toothed; leaves orbicular- 

 reniform, 5-9-lobed, pubescent, the lower slender-petioled. the upper sessile or 

 nearly so; loins broad, not deep, serrate; flowers about 4 mm. broad, very 

 numerous in peduncled often leafy corymbs. In grassy places near the coast, 

 N. S., Cape Breton, Lab. and Greenland. Nat. from Europe. May-Sept. 



Alchemilla alplna L., reported by lursh from the White and the Green Mountains, 

 a native of alpine and northern Europe ami Asia, is distinguished from the preceding by 

 its 5 oblong silky entire leaflets. 



