3S CROWFOOT FAMILY. 



5. THALl'CTRUM, MEADOW RUE. (Old name of obscure deriva- 

 tion.) (Lessons, Fig. lUL) ^ 



* Floicers mostly dioeciouH, small, in loose compound panicles ; the 4c or H 

 sepals falling early; filaments slender; stigmas slender; akenes sev- 

 eral-grooved and angled. 



T. di6icuiii, Linn. Eakly Meadow Rue. Herb t^laucons, l°-2° 

 hi.uli ; flowers greenisli in early .sprinir ; the yellowish linear anthers of 

 the sterile i^lant hanging on long capillary filaments ; leaves all on gen- 

 eral petioles. Rocky woods. 



T. polygamum, Muhl. Tall M. Herb 4°-8° high ; stem-leaves not 

 raised on a general petiole ; flowers white in summer ; anthers oblong, 

 blunt, not drooping ; the white filaments thickened upwards. Low or 

 wet ground. 



T. purpurascens, Linn. Purplish M. Later, often a little downy, 

 2°-4° high ; stem-leaves not raised on a general petiole; flowers greenish 

 and purplish ; anthers short-linear, drooping on capillary and upwardly 

 rather thickened filaments. Dry uplands and rocky hills. 



* * Floicers all perfect, corymhed ; filaments strongly club-shaped or in- 



flated tinder the short anther; stigmas short; akews long-stalked. 



T. clavatum, DC, has the size and appearance of T. dioimrn ; 

 flowers while, fewer, appearing in June or July ; mountains southward. 



6. TRAUTVETTERIA, FALSE BUGBANE. (For Traiitvetter, a 

 Russian botanist.) One species, with numerous 4-angled, capitate, in- 

 flated akenes. 2i 



T. palm^ta, Fisch. & Meyer, along streams of S. Central States. Stems 

 2°-3° high ; root-leaves large, palmately -j-ll-lobed, the lobes toothed and 

 cut. 



7. ADONIS. (Adonis, killed by a wild boar, was fabled to have been 

 changed at death into a flower.) Stems leafy ; leaves finely much cut 

 into very narrow divisions. Cult, from Europe for ornament. 



A. cest/yalis, Linn. ® Stems about 1° high ; flower deep crimson ; 

 petals flat, half longer than calyx. 



A. autumnalis. Linn. Fiieasakt's Eye A. (i) Near 1° high, stem or 

 its branches terminated by a small globose flower of 5-8 scarlet or crim- 

 son petals, concave, commonly dark at base, scarcely larger than sepals. 

 Sparingly natural ized. 



A. vernalis, Linn. Spring A. IJ. Stems about 6' high, bearing a 

 large, showy flower of 10-20 lanceolate, light-yellow petals in early spring. 



8. MYOSURUS, MOUSETAIL (which the name means in Greek). 

 M. minimus, Linn. An insignificant little plant, wild or run wild 



along streams from Hlinois S., with a tuft of narrow entire root-leaves, 

 and scapes ]'-?>' higli, bearing an obscure yellow flower, followed by tail- 

 like spike of fruit, l'-2' long in spring and summer. 



9. RANUNCULUS, CROWFOOT, BUTTERCUP. (Latin name for 

 a little frog, and for the Water Crowfoots, living with the frogs.) A 

 largo genus of plants, wild with the exception of the double -flowered 

 varieties of three species cult, in gardens for ornament. (Lessons, 

 Figs. 21.''), JUL-'lTr., ,377.) 



