LIST OF HERBACEOUS PERENNIALS 



15 



AQUILEGIA Con. 



A. glandulosa intermedia. 



PL, 1907. 



A. Helense. 



PL, 1907. 



A. hybrida lucida flore pleno. 

 PL, 1896. Hardy. 



A. Jseschkani, HORT. Garden Hybrid. 



PL, 1896. Hardy. 



A.jucunda, Fisch. & Lallem. = A 

 glandulosa. 



**A. Kitaibelii, SCHOTT. Asia Minor. 

 Syn. A. viscosa, Gouan. 

 PL, 1901. Hardy. Ht. 1J ft. FL 

 dark purple; May 23 to June 30. 



**A. lapponica. 



PL, 1901. Hardy. Ht. 2} ft. FL 



purple; May 28 to July 2. 

 A. nigrescens, Baumg. = A. vulgaris 



nigrescens. 

 A. nivea, Baumg. = A. vulgaris nivea. 



**A. olympica, Boiss. Orient. 

 Syn. A. caucasia, Ledeb. 

 PL, 1901. Hardy. Ht. 3 ft. FL 

 bluish purple ; May 31 to July 6. 



A. olympica nana. 

 PL, 1907. 



*A. Ottonis, ORPH. & Boiss. 



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

 dark purple; June 14 to July 2. 



***A. oxysepala, TRAUTV. & MEY. Russian 



Columbine. Northern Asia. 

 PL, 1901. Hardy. Ht. 12 to 15 in. 

 FL deep purplish blue with blue 

 and yellow centre; May 8 to 

 June 17. 



**A. Skinneri, HOOK. Mexico. 

 PL, 1896. Hardy. 



A. sibirica, LAM. Siberia. 

 Syn. A. spectabilis, Lem. 

 PL, 1907. 



ARABIS, L. ROCK CRESS. 

 (Cruciferce.) 



A. albida, STEV. Mediterranean re- 

 gion, &c. 

 PL, 1897. Tender. 



A. Allionii, DC. Northern Italy. 

 PL, 1898. Tender. 



AQIIILEGIA Con. 



A. Skinneri hybrida flore pleno. 

 PL, 1896. Hardy. 



A. spectabilis, Lem. = A. sibirica. 



A. stenopetala, BORBAS. Europe. 



PL, 1902. Hardy. FL purple; May 

 21 to June 15. 



A. stellata carminea plena. 

 PL, 1896. Hardy. 



***A. Stuarti, HORT. Garden Hybrid. 



PL, 1896. Hardy. Ht. 1 ft. FL 

 purplish blue with white centre; 

 mid to late May. 



**A. thalictrifolia, SCHOTT. & KOTSCHY. 



Europe. 



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

 bluish purple ; June 10 to July 11. 



A. viridiflora, PALL. Siberia. 



PL, 1896. Hardy. 

 A. viscosa, Gouan = A. Kitaibelii. 



A. vervsenana atrocserulea. 

 PL, 1896. Hardy. 



A. vervsenana foliis variegatis. 

 PL, 1896. Hardy. 



A. vulgaris alba. 



PL, 1896. Hardy. 



A. vulgaris alba plena. 

 PL, 1896. Hardy. 



A. vulgaris atrata. 



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

 dark purple; May 31 to July 12. 



A. vulgaris atrosanguinea. 

 PL, 1896, Hardy. 



A. vulgaris kermesiana plena. 

 PL, 1896, Hardy. 



***A. vulgaris nivea. 



Syn. A. nivea, Baumg. 



PL, 1901. Hardy. Ht. 3 ft. FL 



white, semi-double. June 3 to 



July 7. 



AKABIS Con. 



*A, alpina, L. White Alyssum. Eu- 

 rope; North America. 

 PL, 1894. Hardy. Ht. 6 in. FL 

 white ; May. 



A. androsacea, FENZEL. Asia Minor. 

 PL, 1895. Hardy. 



