726 470.Pulsat. 85.RANUNCULACEiE. PI. ex. thai 



Hilly pastures on chalk ; perennial ; April and May, 

 Color very variable ; often double. — Plant acrid. 



XV. 471. THALICTRUM. Dioscorides. Meadow-rue, 

 Flowers dioicous, polygamous, often hermaphrodite; 

 calyx 4 or 5-sepaled ; sepales ovate, petaloid, soon falling 

 off; stamens many; ovaries 4 to 15; styles short; cariopsides 

 $essile, ovate, streaked lengthways. — -Plants perennial ; roots 

 yellowish, fibrous; stems annual, fistulous; leaves many- 

 cut ; stipules ; flowers panicled, yellowish. 



1. Thalidrum alpinum. Alpine meadow-rue. 

 Stem not in the least branched, nearly naked, a finger's 



height; racemes simple, terminal; flowers nodding; leaf-' 

 segments bald. 



Thalictrutn minimum montanum atro-nibens, foliis splendentibus, Raii 

 Syn. 204, 4. 



Thalictrum Alpinum, Lin. S. P. 767. 



Alpine turf-bogs ; perennial ; June. 



Root creeping; stem bald; leaves 5 or 6, radical, pin- 

 nately cut ; lobes sessile, 3 or 5-toothed ; above shining, 

 beneath pale ; flowers 7 or 8 ; pedicells short, rather dis- 

 tant; stamens 12; ovaries few. 



2. Thalictrum minus. Small meadow-rue. 

 Stem cylindrical, covered with glaucous pollen ; flowers 



loosely panicled, nodding, 4-sepaled ; leaf-segments bald, 

 roundish, toothed at the tip, glaucous beneath ; cariopsides 

 sharp at both ends. 



Thalictrum minus, Raii Syn. 203, 2; Ger. em. 1251,2; Park. 264; Lin, 

 S. P. 769. 



Small bastard rhubarb. Fen rue. 



Mountainous pastures on chalk ; perennial ; June, July. 



Stem 1 foot high; leaves spreading; segments ovate, 

 nearly round, 3 or 5-toothed at the tip; panicle naked, 

 stifli very open ; cariopsides 3 to 6. 



^. latifolium. Leaflets broad. 



Thalictrum montanum minus, foliis latioribus, Raii Syn. 204. 



3. Thalictrum majus. Great meadow-rue. 

 Stem cylindrical, without glaucous pollen ; flowers loosely 



panicled, drooping; leaf-segments bald, glaucous beneath, 

 3-cut; lobes ovate, slightly mucronate; cariopsides obliquely 

 rounded. 



