LIST 



OF 



HERBACEOUS PERENNIALS 



TESTED IN THE 



ARBORETUM AND BOTANIC GARDEN 



CENTRAL EXPERIMENTAL FARM 

 OTTAWA 



WITH 



OF inL-crwimiRS AND OTHER 



APBREVIATIONS USED. PL, planted. Ht., height. Fl., flower. Fol., foliage. In., inch or inches. 

 Ft., foot or feet. Syn., synonym. *, desirable. **, more desirable. ***, most desirable. 



ACHILLEA, L. MILFOIL, YARROW. 



A.argentea, 

 teum. 



. = Tanacetum argen- 



A. Clavennae, L. Europe. 

 PL, 1898. Tender. 



A. grandiflora, BIEB. Asia Minor. 

 PL, 1907. 



A. filipendulina, LAM. Orient. 

 PL, 1897. Tender. 



A. lanata, SPRENG. HAB ? 



PL, 1896. Hardy. Ht. 3 to 4 ft. 

 FL dull white; July 4 to Oct. 7. 



A. magna, L. GREAT MILFOIL. Europe. 

 PL, 1896. Hardy. Ht. 2 ft. FL 

 white; June 21 to Aug. 15. 



A. micrantha, WILLD. Orient, &c. 

 Syn. A. pubescens, Sibth. 

 PL, 1896. Hardy. Ht. 2 ft. FL 

 white; June 27 to Sept. 18. 



*A. Millefolium rnbra. 



PL, 1895. Hardy. Ht. 2 ft. Fl. 



crimson; June 17 to Oct. 20. 

 A. mongolica, Fisch. A. sibirica, 

 Ledeb. 



ACHILLEA Con. 



A. nobilis, L. Europe, &c. 



PL, 1896. Hardy. Ht. 1 to 2 ft. 

 Fl. white; June 20 to Oct. 22. 



*A, Ptarmica, L. SNEEZEWORT. North- 

 ern Hemisphere. 



PL, 1899. Hardy. Ht. 1 ft. Fl. 

 white; June 20 to Sept. 19. 



**A. Ptarmica flore pleno. 



PL, 1894. Hardy. Ht. 2 to 2 ft. 

 Fl. white, double; June 20 to 

 Oct. 3. 



***A. Ptarmica flore pleno The Pearl. 



PL, 1895. Hardy . Ht. 2 to 3 ft. 

 FL white, double; June 24 to 

 Oct. 3. 



A. pubescens, Sibth. = A. micrantha. 



**A. serrata plena. 



PL, 1903. Hardy. Ht. 2 ft. Fl. 

 white, double; June 16 to Aug. 

 21. 



A. setacea. WALDST & KIT. Europe. 

 PL, 1902. Hardy. Ht. 2 ft. Fl 

 white; June 30 to Oct. 27. 



