PI. ex. thai, 85. RANUNCULACEiE. 471.Thalict. 727 



Thalictriim sive Thalictrum majus, Ger. em. 1251, 1. 

 Thalictrum majus vulgare. Park. 263. 

 Thalictrum majus, Murray Syst. Veg, 513. 

 Great bastard rhubarb, English rhubarb. 



Shady mountainous places ; perennial ; June and July. 



Stem 3 feet high ; leaves dark green ; petioles diverging, 

 spreading; panicle much bent; sepales greenish purple; 

 cariopsides large, bellied on one side, obliquely rounded at 

 bottom. — Root used as rhubarb. 



4. Thalictrum nigricans. Blackish meadotv-rue. 

 Stem stiff, branched, furrowed ; root fibrous ; panicle 



manifold, upright, nearly corymbous; radical-leaf-segments 

 wedge-shaped, 3-cut; stem-leaf-segments oblong, linear. 



Thalictrum nigricans, Jacquin Austr. 5, 421, 

 Thalictrum rugosnm, Poiret Diet. 5,317. 

 Thalictrum flavum 2, Lightfoot Fl. Scot. 



Edges of fields and rivers ; perennial; July. 



Lobes of the leaves neither all wedgeshape, nor all linear. 



5. Thalictrum Jlavum. Yellow meadow-rue. 

 Stem upright, branched, furrowed; root fibrous; panicle 



manifold, upright, nearly corymbous ; leaf-segments wedge- 

 shape, 3-cut, acute. 



Thalictrum seu Thalictrum majus, Rati Syn. 203, 1 j not of Gerarde. 

 Thalictrum flavum a, Lin. S. P. 110. 

 Thalictrum flavum, Miller Diet. 



Damp fields and sides of rivers ; perennial ; July. 



Stem 3 feet high ; panicle slightly leafed ; flowers up- 

 right; sepales 4; stamens 21'; ovaries 8 to 10; stigmata 

 thick, heartshape, white. — Root astringent yet purgative. 



E. Clematide^. Estivation of the calyx valvate, or 

 induplicate; petals flat, or 0; anthers linear, fastened out- 

 side the filaments ; cariopsides tailed ; tails feathered : seeds 

 pendulous. — Plants climbing, shrubby ; leaves opposite. 



XVI. 472. CLEMATIS. Dioscorides. Travellers-joy. 

 Involucrum under the flower ; sepales 4 to 8 ; ceslivation 

 valvate, or induplicate ; petals ; cariopsides many, ending 

 in a long feathered beard; cotyledons distant. 



Clematis dumosa. Bush travellers-joy. 



Stem climbing ; leaves pinnately cut ; segments ovate, 

 lanceolate, deeply toothed, acuminated ; truncated heart- 

 shape at the base ; peduncles rather shorter than the leaf. 



