APRIL, 1 TO JUNE 30, 1921. 33 



53122 to 53175— Continued. 



53160. Stipa pennata L. Poacete. Feather grass. 



An ornamental grass with plumose panicles borne on culms 2 to 3 feet 

 high which are in bunches. Native to tlie steppes of Europe and 

 Siberia. 



For previous introduction, see S. P. I. No. 53072. 



53161. Symphytum asperrimum Donn. Boraginace?e. Comfrey. 



A coarse European perennial herb with short pricklelike hairs and 

 purple flowers. 



53162 to 53173. Tiialictrum spp. Ilanunculacefe. Meadow rue. 



53162. Thalictrum angustifolium L. 



A hardy herbaceous perennial 3 feet high, with pale-yellow 

 flowers, useful as a background for herbaceous borders. Native to 

 Germany. 



For previous introduction, see S. P. I. No. 49S69. 



53163. Thalictrusi aquilegifolium L. 



The European " feathered columbine," 1 to 3 feet high, with large 

 hollow stems, white flowers, and purple or white stamens. 



53164. Thalictrum delavayi Franch. 



A slender Chinese plant 2 to 3 feet high, witli nodding purple 

 flowers half an inch long. 



53165. Thalictrum fendleei Engelm. 



A rather stout leafy plant native from southern Colorado west- 

 ward and southward. The flowers are in compact panicles. 



53166. Thalictrum flavum L. 



Variety Jieterophyllum. 



A European plant 2 to 4 feet high with leaves smaller than in 

 Tlialictrum flavum and slightly toothed and bearing compound, com- 

 pact inflorescences of erect pale-yellow flowers. 



53167. Thalictrum foetidum L. 



A hardy herbaceous perennial less than a foot high, with white 

 and yellow flowers. Native to France. 



53168. Thalictrum glaucum Desf. 



A glaucous southern European perennial herb 2 to 5 feet high, 

 with erect panicles of yellow flowers. 



53169. Thalictrum kemense Fries. 



A plant with thin panicles of erect flowers and bipinnate leaves 

 with round, 3-parted leaflets. Native to Europe, Asia, and northern 

 Africa. 



53170. Thalictrum minus L. 



A species 1 to 2 feet high native to Europe, Asia, and northern 

 Africa, with loose panicles of drcoping yellow or gi-eeuish flowers. 



53171. Thalictrum minus L. 



Received as Thalictrum duMum, which is now referred to T. 

 minus. 



53172. Thalictrum polygamum Muhl. 



A branching species 3 to 8 feet high, with long leafy panicles of 

 white flowers. Native to North America from Newfoundland and 

 Canada to Florida and westward to Ohio. 



53173. Thalictrum simplex L. 



A lilac or yellow-flowered species a foot high, native to Sweden. 



