RANUNGULACE^:. 5 



nearly sessile, acute at each end, strongly ribbed, twice as long as the style. 

 T. Cornuti and T. pubescens Pursh. T. revolutum and T. corynellum 



D. a 



Wet grounds. From lat. 56 N. to Car. June, July. 7J-. Stem 3 5 feet 

 high, branching. Leaves very variabl4 in form, deep-green above, paler glau- 

 cous smooth or pubescent beneath. Flowers in a compound leafy panicle. Se- 

 pals greenish-white, oblong, much shorter than the stamens. Carpels about 

 3 lines long, beaked with the persistent style. Common Meadow Rue. 



2. T. dioicum Linn. : very smooth ; leaves decompound, on short pet- 

 ioles ; leafets rounded, crenately and obtusely lobed, glaucous beneath ; 

 flowers dioecious or polygamous ; peduncles as long as the leaves ; carpels 

 oblong, sessile, strongly ribbed. T. lavigatum Mich. T. purpurascens 

 Linn. 



Banks of streams. Can. to Car. N. to lat. 67. W. to Oregon. April, 

 May. 4-. Stem 1 2 feet high. Flowers in a terminal panicle. Sepals white 

 or purplish. Filaments much longer than the sepals. Anthers yellowish- 



Early Meadow Rue. 



** Stamens shorter than the petaloid calyx. 



3. T. anemonoides Mich. : root tuberous ; radical leaves biternate ; leaf- 

 ets subcordate, 3-toothed ; floral leaves petioled, resembling an involucre ; 

 flowers perfect, few, umbelled ; petaloid calyx 8 10-leaved. Anemone 

 thalictroides Linn. 



Woods. Common throughout the U. S. April June. 1J.. Stems or scapes 

 4 8 niches long, often several from one root. Flowers about an inch in di- 

 ameter. Sepals 6 10, white or purplish, twice as long as the stamens. The 

 flowers of this species resemble those of Anemone, but the fruit that of Thalic- 

 trum. Rue Anemone. 



3. ANEMONE. Linn. Wind Flower.* 



(From the Greek ai>/zo? , wind ; because the flowers are supposed to open 

 when the wind blows.) 



Involucre remote from the flower, of 3 divided leaves. Calyx 

 petaloid, with 5 15 sepals. Petals none. Achenia mucronate. 



1. A. nemorosa Linn.: leaves ternate; leafets undivided, or with the 

 middle one 3-cleft and the lateral one 2-parted, incisely toothed, acute; 

 those of the involucre similar, petioled ; sepals 4 6, oval or elliptical. 

 A. lancifolia Pursh. 



var. quinquefolia, D. C. : lateral leaves of the involucre 2-parted to the 

 base. A. quinquefolia Linn. 



Woods. Can. to Car. N. to lat. 53. W. to the Rocky Mountains. April, 

 May. 1J-. Stem or scape 4 8 inches high, slender. Flowers about an inch in 

 diameter. Sepals 4 7, white or purplish. Wood Anemone. 



2. A. Pennsylvania Linn.: leaves 3 5-parted; segments 3-cleft; lobes 

 oblong, incisely toothed, acuminate ; involucre similar, 2-leaved, sessile ; 

 sepals 5, elliptic ; carpels hairy, compressed, crowned with a long style. 

 A. aconitifolia Mich. A. dichotoma Linn. 



Meadows. Throughout the U. S. N. to Hudson's Bay. June, July. %. 

 Stem 1318 inches high. Flowers 1 1 J inches in diameter. Sepals white and 

 membranaceous. Pennsylvania Wind Flower. 



3. A. cylindrica Gray : silky, pubescent ; leaves ternately divided ; late- 



