224 



ROSACE AE. [VOL. II. 



i. Ulmaria rubra Hill. Queen- 

 of-the-Prairie. (Fig. 1953.) 



Ulmaria rubra Hill, Hort. Kew. 214. pi. 7. 

 1769. 



Spiraea lobala Gronov. ; Jacq. Hort. Vind. i : 

 38. pl.SS. 1770. 



Spiraea rubra Britton, Bull. Torr. Club, 18: 

 270. 1891. 



Glabrous, stem branched, grooved, 2- 

 8 tall. Leaves large, the lower sometimes 

 3 long, pinnately 3-7-foliolate, commonly 

 with smaller leaf-segments interposed or 

 borne on the petiole; lateral leaflets ses- 

 sile, opposite, palmately 3-5-lobed or 3-5- 

 parted, the lobes acute, unequally serrate 

 or incised; terminal leaflet larger, 7-9- 

 parted; stipules serrate, persistent, 4 // -8 // 

 long; flowers pink or purple, fragrant, 

 about 4" broad; capsules glabrous. 



In moist grounds and on prairies, western 

 Pennsylvania to Illinois and Mii'liii-un, south 

 to Georgia, Kentucky and Iowa. Escaped 

 from gardens farther east. June-July. 



Meadow-sweet or Meadow-Queen. 



2. Ulmaria Ulmaria (L. ) Barnhart. 

 Honey-sweet. (Fig. 1954.) 



Spiraea Ulmaria I,. Sp. PI. 490. 1753. 

 f'lmaria fialuslris Moench, Meth. 663. 1794. 

 I'lmaria Ulmaria Barnhart, Bull. Torr. Club, 

 21:491. 1894. 



Stem branched, angular or grooved, 2- 

 4 tall. Leaves pinnately 3-9-foliolate, 

 densely and finely white-downy beneath, 

 green above.or in some forms green on both 

 sides, sometimes with several or numer- 

 ous much smaller leaf-segments interposed 

 between the leaflets or borne on the peti- 

 ole; lateral leaflets sessile, opposite, ovate 

 or ovate-lanceolate, acute or acuminate, 

 serrate or sometimes slightly lobed, the ter- 

 minal one larger and deeply 3-5 Io1d, the 

 lobes acute and serrate; stipules about #' 

 long; flowers yellowish-white, fragrant. 



Escaped from gardens, Quebec to Massa- 

 chusetts. Native of Europe and Asia. June- 

 Aug. Called also Mead -sweet and Meadow - 

 wort; this and Spiraea salicifolia, also called 

 Bride-wort. 



17. ALCHEMILLA L. Sp. PI. 123. 1753. 



Annual or perennial 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; fila- 

 ments 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 British Columbia to 

 Chili, very abundant in the higher Andes. The two following species of our area are introduced 

 from Europe. 



Annual; flowers in sessile axillary clusters; leaves small. 

 Perennial; flowers in compound terminal corymbs; leaves large. 



1. A. arvensis. 



2. A. vulgar is. 



