Jones: Flora of Illinois, 62. Ranunculaceae 131 



slender-petioled; rich woods. Apr.-May. Early Meadow-rue 



T. dioicum L. 



2. Leaflets thick, oval, sharply 3-Iobed, revolute-margiri'ed; stem-leaves ses- 



sile or nearly so; moist thickets and hedge-rows. June-July 



T. hypoglaucum Rydb. 



1. Leaflets glandular or short-pubescent beneath; stem-leaves sessile. 



3. Leaflets finely glandular with short-stipitate or sessile glands on the lower 



surface; woods and roadsides, local. May-June. Waxy Meadow-rue 



T. revolutum DC. 



3. Leaflets finely short-pubescent on the lower surface, not glandular; moist 



ground, local. May-June. Purplish Meadow-rue 



T. dasycarpiim Fisch. 8C Lall. 



1 1 . Trautvetteria Fisch. & Meyer 



T. cawlinensis (Walt.) Vail. False Bugbane. Possibly along the Wabash 

 River in s.e. 111.; near Beardstown, Cass Co., S. B. Mead. June-July. 



12. Anemone L. 



(Pulsatilla Adans.) 



1. Styles elongate, plumose; plant villous; leaf-segments linear; sepals 5-7, 

 bluish-purple, 2-3.5 cm. long; prairie soil, n. 111. Mar. -Apr. [/4nemone 

 patens var. woljgangiana of Gray, not Koch; Pulsatilla hirsutissima 

 (Pursh) Britt.} Pasque Flower A. ludoviciana Nutt. 



1 . Styles shorter, glabrous or pubescent, not plumose; sepals white. 



2. Achenes villous. 



3. Stem-leaves siessile; stem arising from a small tuber; sepals 6-20, pubes- 

 cent outside; bluflFs, rare; centr. and n. 111. Apr.-May 



A. caroliniana Walt. 



3. Stem-leaves stalked; plants with rhizomes. 



4. Fruiting heads cylindrical, more than twice as long as wide; style 1 

 mm. long; leaf-segments toothed above the middle; roadsides or 

 open woods, centr. and n. 111. May-July A. cyl.ndrlca Gray 



4. Fruiting heads ellipsoid, not more than twice as long as wide; style 

 1.5-2 mm. long; leaf-segments sharply serrate to below the middle; 



woods, throughout 111. June-Aug. Tall Anemone 



A. virginiana L. 



2. Achenes not villous; plants with rhizomes. 



5. Stem-leaves sessile; basal leaves simple, deeply lobed; achenes wing- 

 margined when mature; flowers 1-3; alluvial soil, centr. and n. III. 

 May- July. Meadow Anemone A. canadensis L. 



5. Stem-leaves stalked; basal leaf solitary, compound, appearing later; 

 achenes not wing-margined; flower solitary; rich woods, not common; 



chiefly n. and e.-centr. III. Apr.-May. Wood Anemone 



A. quinquefolia L. 



