14 RANUNCULACEiE. Ilepalica. 



i 15. //. Amencnnn, Ker, Bot. Reg. t. 387. H. triioha, var. Americana, DC. 1. c. 21f..i 

 Anemone Hepatica, h. Spec. i. 538. — Open woods, Nova Scotia to the northern Kocky 

 Mountains, lat. 55°, and Sitka, according to Bongard, south through the upper country to 

 the border of Florida, west to Missouri and Minnesota. (Eu., N. Asia.) l'a.sses into 

 H acutiloba, DC. Lobes of tlie leaves ovate and acute, occasionally lateral lobes 2-cleft : 

 akenes slightl'y stipitate. — Prodr. i. 22; Gray, Gen. lU. i. t. 5. H. triloba, var. acuta, 

 Pursh, Fl. ii. 391.- Anemone acutiloba, Lawson, Rev. Canad. Ranunc. 30. — Quebec to upper 

 part of Geortcia, and Iowa. Rarely has the middle lobe or all of them incised. 



4. ANEMONi^LLA, Spach. (A diminutive of Anemone,) — Hist. Veg. 

 vii. 239; Gray, Bot. Gaz. xi. 39. Syndesmon, Hoflfmansegg, Flora, 1832, ii. 

 Intell.-Blatt. 34, name only, referring to this and to a Thalictrum. — Single 

 species, flowering in early spring. 



A thalictroides, Spach, 1. c. 240. Low and very glabrous perennial: roots tuberiform 

 and fascicled : slender and simple scapiform stems and radicle petioles a span or two high ; 

 the latter twice ternate into slender petiolules, bearing roundish leaflets with mostly sub- 

 cordate base and 3-lobed broad apex : involucre of 6 to 9 similar filiform-petiolulate leaflets 

 (i. e. belonging to 2. or 3 trifoliolate leaves with primary petiole wanting or obsolete), 

 subtending °an umbelliform cyme of few or several (rarely solitary) slender-stalked 

 flowei-s: .sepals 5 to 10, oval, white, sometimes pinkish, 4 or 5 lines long, tardily deciduous, 

 much longer than the stamens and carpels : anthers oval : disciform stigma horizontal or 

 nearlv so, obscurely 2-lobed, sessile, but in fruit comparatively small and slightly elevated 

 on the pointed apex of the oblong-fusiform 8-10-ribbed akene. — Anemone tlialirlroide!i,L. 

 Si)ec. i. 542; Hill, Veg. Syst. 25, t. 46, f. 5; Willd. Hort. Bem\. t. 44; .)uss. Ann. Mus. iii. 

 249. t. 21; Sims,' Bot. Mag. t. 866; Bart. Fl. N. A. ii. t. 44.3 Thalictrum anemonoides, 

 Michx. Fl.' i. 322 ; DC Syst. i. 186; Sweet, Brit. Fl. Gard. ser. 2, t. 150; Gray, Gen. 111. i. 

 24, t. 6; Meehau, Native Flowers, ser. 1, ii. t. 30; Lecoyer, Bull. Soc. Roy. Bot. Belg. 

 xxiv. 223. SipidesmoH thalictroides, Hoffmansegg, 1. c, name only;* Lawson, Monog. 

 Ranunc. Canad. 31. — Dry woods. New Englan<l and Ontario di.strict of Canada to 

 Minnesota, to Maryland, and .south along the mountains and upper country to W. Florida. 

 AJiore plena form has been found wild. 



5. THALICTRUM, Tourn. Meadow-rue. (Old Greek and Latin name, 

 of uncertain derivation.) — Perennial herbs of temperate regions, largely northern, 

 usuiilly glabrous, with alternate compound or decompound leaves, petioles dilated 

 at base, and pauicled or corymbiform cyraose or rarely racemose small flowers, in 

 most of ours dioecious or polygamous and with dnll colored sepals, these 4 or 

 sometimes 5 in number and deciduous. There are not rarely small appendages 

 to some partial petioles or leaflets, which have been called stipels, but they are 

 inconstant. — Inst. 270, t. 143; Benth. & Hook. Gen. i. 4; Lecoyer, Bull. Soc. 

 Bot, Belg. xxiv. 1885, 78-325.'* 



* Flowers hermaphrodite, on a low scapiform stem : filaments ca])illary and drooping. 

 T. alpinum, L. A span or more high: leaves all or chiefly ra<lical, inch or two long, 

 "pinnately 5-7-foliolate, with lower pinna; similarly 3-5-foliolate : leaflets cuneate-obovate, 

 few-lobed, prominently veined beneath: flowers drooping, purplish : anthers linear-oblong; 



1 Add syn. Hepntira Hepatica,. KsLTst. Dentschl. Fl. .^.TO. 



2 Add syn. Hepatica ncutn, Britten, Ann. N. Y. Acad. Sci. vi. 234. 

 8 Add Garden, xxxv. 409, t. 6§9. 



4 See also Gray, Bot. Gaz. xi. .39. 



6 In accordance with the expressed intention of Dr. Gray, his manuscript relatmg to the genns 

 has been freely revised in the light of Prof. Trelease's careful treatment of the group (Proc. Bost. 

 Soc. Nat. Hist, xxiii. 293-304); and plants of .subsequent description have been in.serted where 



