222 



Annals of Horticulture. 



C. racemosa, Nutt. Kelsey '90- 

 '91. G. & H. 1891. (Eng. 1732.) 



C. raceinosa var. cordifolia,Gray. 

 (C. cordifolia.) (Eng. 1812.) 

 Clematis. About 100 species; 18 

 in U. S. 



C. Catesbyana,Pursh. Wool.lS83. 

 C. coccinea, Engelm. * (Eng. 

 1868.) 



C. crispa, Linn. (C. cylindrica). 



(Eng. 1726.) 

 C. Dougiasii, Hook. Gill. 1881. 

 C. Fremonti, Watson. * 

 C. ligusticifolia, Nutt. Gill. 1881. 

 C. ochroleuca, Aiton. Wool. 1883. 



Gill. 1884. (Eog. 1767.) 

 C. Pitcheri, Torr. & Gray. * 



(Eng.) 



C. verticillaris, DC. Gill. 1881. 



(Eng. 1797.) 

 C. Viorna, Linn. * (Eng. 1730.) 

 C. Virginiana, Linn. * (Eng. 



1767.) 



Coptis. A half-dozen species ; 4 in 

 this country. 

 C. asplenifolia, Salisb. (Eng.) 



C. occidentalis, Torr. & Gray. 

 (Eng.) 



C. trifolia, Salisb. .Gill. 1881. 

 Delphinium. About 40 species ; 25 

 in U. S. 



D. azureum, Michx. * (D. vires- 

 cens.) (Eng. 1805.) 



D. azureum var. album. (Eng. 

 1882.) 



D. cardinale, Hook. * (Eng.) 

 D. decorum, Fisch. & Mey. Gill. ' 

 1881. 



D. exaltatum, Aiton. (Eng. 

 1758. 



D. Menziesii, DC. Gill. 1881. 



D. nudicaule, Torr. & Gray.* 

 (Eng. 1869.) 



D. simplex, Dougl. Gill. 1881. 



D, tricorne, Michx. (Eng. 1806.) 



D. trolliifolium, Gray. Gill. 1881. 

 Hepatica. 2 species. 



H. acutiloba, DC. * 



H. triloba, Chaix. * Gill. 1875. 

 Native also to Europe, where 

 several varieties are in culti- 

 vation. 



H. triloba var. alba. Gill. 1884. 

 H. triloba var. caerulea fl. pi. 



Wool. 1883. 

 H. triloba var. rubra fl. pi. 



Wool. 1883. 



Hydrastis. 1 species. 

 H. Canadensis, Linn. Gill. 1881. 

 (Eng. 1759.) 

 Pseonia. Perhaps a dozen species ; 

 1 American. 

 P. Brownii, Dougl. Gill. 1881. 

 (Eng. 1826.) 

 Ranunculus. 160 or more species ; 

 53 are in the United States and 

 northwards. 

 R. adoneus, Gray. Gill. 1881. 

 R. affinis, R. Br. var. cardiophyl- 



lus, Gray. (Eng. 1829.) 

 R. Calif ornicus, Benth. Gill. 

 1881. 



R. Suksdorfii, Gray. Hors. 1889. 

 Thalictrum. About 50 species; a 



dozen American. 

 T. dioicum, Linn. * 

 T. Fendleri, Engelm. Gill. 1881. 

 T. minus, Linn., var. adianti- 



folium. Wool. 1883. 

 T. occidentale, Gray. Gill. 1881. 

 T. polycarpum, Watson. Gill. 



1881. 



T. polygamum, Muhl. (T. Cor- 



nuti.) Gill. 18S1. 

 T. purpurascens. Linn. Wool. 



1883. 



T. sparsiflorum, Turcz. Gill. 



1881. 



T. venulosum, Trelease. Hors. 



1889. 



Trautvetteria. Species 2; Amer- 

 ica and Japan. 

 T. grandis, Nutt. (T. palmata 



var. occidentale.) Gill. 1881. 

 T. palmata, Fisch. & Mey. Kel- 

 sey '90-'91. (Eng.) 

 Trollius. Species 9 or 10; 1 Amer- 

 ican. 



T. laxus, Salisb. * (Eng. 1805.) 

 Xanthorhiza. Species 1. 

 X. apiifolia, L'Her. * (Eng. 

 1766.) 



Calycanthace^e,Caltcanthus Fam- 

 ily. 



Calycanthus, 4 or 5 species; 4 



North American. 

 C. floridus, Linn. * (Eng. 1726.) 

 C. glaucus, Willd. * (Eng. 1726.) 

 C. lsevigatus, Willd. * (Eng. 



1806.) 



C. occidentalis, Hook. & Arn. * 

 (Eng. 1831.) 



