1994 XANTHORKHCEA 



plants of the general appparancp defprihed aVinvp: yn 



XANTHORRHIZA 



BB. Spike l%--2 n. long. 



hdBtilis, R.Br. Lvs. 3-4 ft. long, 2-3 lines broad: 

 scape often ti-8 ft. long, not counting the spike. Readily 

 distinguished by the dense, rusty tonientum covering 

 the ends of the bracts and outer perianth-segments. 

 B.M. 4722. G.C. III. 17:196. F.S. 9:808. 



AA. Trunk becoming 5 or 6, or ei'en 15 ft. long. 



PrelBBii, Endl. Lvs. 2-A ft. long, 1-2 lines broad, 

 rigid, very brittle when young: scapes 2-6 ft. long, in- 

 cluding the spike, which occupies one-half to nearly all 

 its length. B.JI. U933. ^ ji^ 



XANTHORKHtZA ( 

 spelled Zantliorrhisu. 1 

 one species, native in the eastern United States from 

 New York to Florida. Plant shrubby: lvs. pinnate or 

 bipinnate: Hs. in drooping racemes or panicles: sepals 

 '), petal-like, deciduous ; petals 5, smaller than the 

 sepals, and 2-lobed; stamens .'>-10; carpels 5-10, ses- 

 sile, forming only one-seeded follicles, one ovule of each 

 usually not maturing. 



The plants are cult, mostly for their handsome foliage, 

 which is much like that of Acteea, and which changes 

 to a beautiful golden color in the autumn. The plants 

 will grow readily in any good soil but usually prefer 

 damp and shady places, although it often thrives in 

 loose, sandy soil. Propagated both by seed and root 

 (livision in fall or early spring. Often not hardy in 

 -Massachusetts. 



apiiSdlia, L'Herit. Shrub Yellow Root. Fig. 275.5. 

 Stems of bright yellow wood, 1-20 ft. liigli: roots yel- 



1 wi Ip scape 



wide B.M. 



tl nerierianth- 



1 c I isly spreading 



I e\t two species the 



h t p little longer 



only teruute; Ifts. often moi 



entire. Same distribution. 



K. C. Davis. 



