40 PERENNIALS. 



very much esteemed, and surpasses the preceding. The 

 ground is pure white, the bottom of the petals the same 

 as the other. There is also a spotted variety found on the 

 banks of the Missouri. They delight in brown loam, a 

 half shady situation, inclining to moisture. The foliage 

 soon decays after flowering. 



Digitalis, Fox-glove, about forty species of annuals and 

 herbaceous plants. A few are cultivated in the flower bor- 

 ders, and are very showy. These are D. leucophcea, D. 

 ferruginea, D. ochroleuca, large yellow ; and D. purpu- 

 rdscens ; and are good species. Jb.purpurea and D. alba 

 are very conspicuous biennials ; the flowers are solitary, 

 and in long spikes ; the corolla of D. piirpnrea is campa- 

 nulate, ventricose and ringent ; the interior is spotted, and 

 is considered the finest of the genus. Delights in poor 

 soil, with a little shade. 



Draco cephalum, Dragon's Head, about twenty species, 

 mostly ornamental. D. virginicum is a profuse blooming 

 plant, with bluish pink flowers, and grows about four feet 

 high. D. argunense is a superb dwarf, with large dark 

 blue flowers. 



Eupatoriums . These generally are native plants, not 

 worthy of notice here, except for two species. E. cceles- 

 tinum has syngenesious flowers in flattened panicles, co- 

 lour fine light blue, blooming from September to November, 

 desirable for its beauty at that season. E. aromaticum 

 may be cultivated for its spicy odour ; flowers white, in 

 loose terminal panicles ; blooming from August to October. 

 Either of them will grow in common soil. 



FunMa, Japan Day Lily, three species, all beautiful. F. 

 cceritlea, with blue flowers. F.japonica, pure white, and 

 F. variegata, with striped leaves and flowers. F. lauri- 

 Jblia, early blue. This genus has been separated from 

 Hemerocallis. 



Gentidnas, a genus of very showy plants, and flower in 

 great abundance. The flowers are tubular and inflated ; 

 colour generally blue. A few species are yellow, and some 

 white ; flowers in whorls, terminal or solitary. They grow 

 best in a light rich soil. G. liitea, G. purpiirea, G. se.p- 

 temfida. G. acaulis is a pretty dwarf growing species, 

 the flower dark and light blue ; interior of the corolla spotr 

 ted ; has a succession of flowers from April to June. These 



