38 



CENTRAL EXPERIMENTAL FARM 



DICENTRA, BERNE. 



(Papaveracece.) 

 **D. eximia, TORB. North America. 



PI., 1898. Hardy. Ht. 1 ft. Fl. 

 bright crimson pink shading 

 pnler; June 9 to Aug. 8. 



**D. forraosa, WALP. North-western Ame- 

 rica. 

 PL, 1895. Hardy. Ht. 1 to 2 ft. 



Fl. crimson pink shading lighter ; 



May 3 to Aug. 27. 



***D. spectabilis, LEM. Bleeding Heart. 



Japan and China. 

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

 Fl. crimson and white; May 12 

 to July 7. 



*D. spectabilis, alba. 



PL, 1895. Hardy. Ht. 2} ft. FL 

 creamy white tinged with pink. 



DICTAMNUS, L. GAS PLANT, FRAXINELLA. 



(Eutacecs.) 



***D. albus, L. Fraxinella. Europe, &c. 

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

 FL white; June 2 to June 29. 



**D. albus purpureus. Burning Bush. 

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

 FL pale purple and rosy purple; 

 June 1 to June 30. 



D. albus caucasicus. 



PL, 1901. Hardy. Resembles D. 

 albus purpureus. 



D. Fraxinella, Pers. D. albus, L. 



D. giganteus. 

 PL, 1908. 



DIGITALIS, L. FOXGLOVE. 



(SchropulariacecB.) 

 *D. ambigua, MURR. Europe, &c. 

 Syn. D. grandiflora, Lam. 

 PL, 1898. Hardy. Ht. 3 to 3} ft. 

 FL dull yellow ; June 21 to 

 Aug. 15. 



D. argyrostigma. 

 PL, 1907. 



D. eriostachya, BESS. Hah? 



PL, 1905. Hardy. Ht. 5 ft. FL 

 pale greenish yellow; June 25 to 

 Aug. 6. 



DIGITALIS Con. 



D. Fontanesii, STEUD. 

 Origin uncertain. 

 PL, 1907. 



D. grandiflora, Lam. = D. ambigua. 



D. laevigata, WALDST. & KIT. Eastern 



Europe. 

 PL, 1907. 



D. lutea, L. Europe. 



D. lindleyana, TAUSCH. 

 PL, 1907. 



Syn. D. micrantha, Roth. 

 PL, 1901. Hardy. Ht. 3i to 4 ft. 



FL pale greenish yellow; June 



24 to Aug. 4. 



D. mariana, Boiss. Spain. 

 PL, 1907. . 



D. micrantha, Roth = D. lutea. 



D. media, ROTH. South Europe. 



PL, 1901. Hardy. Ht. 3 to 4i ft. 

 FL pale yellow; June 26 to July 

 21. 



D. sibirica, LINDL. Siberia. 

 PL, 1907. 



*D. Thapsi, L. Spain. 



PL, 1903. Half hardy. Ht. 4 ft. 

 Fl. rosy purple to paler; June 

 20 to July 20. 



D. tomentosa, LINK AND HOFFMGO. Por- 

 tugal. 

 PL, 1903. Tender. 



DORONICTJM, TOURN. LEOPARD'S BANE. 



(Composite^.) 

 D. austriacum, JACQ. Europe. 



PL, 1901. Hardy. Ht. 2 ft. Fl. 

 golden yellow; May 13 to June 

 12. 



***D. caucasicum, BIEB. Europe, &c. 



PL, 1895. Hardy. Ht. 18 in. Fl. 

 golden yellow; May 4 to June 12. 



D. Olusii, Tausch. = D. glaciale, Nym. 



D. Columnae, TENORE. South Europe, 



&c. 



PL, 1905. Hardy. Ht. 18 in. Fl. 

 golden yellow; May 28 to June 

 . 18. 



