16 



CENTRAL EXPERIMENTAI FARM 



ARABIS Con. 



A. muralis, BERTOL. Europe. 

 PL, 1902. Tender. 



A. pumila, JACQ. Alps, &c. 



PI., 1896. Hardy. Ht. 6 to 12 in. 

 Fl. white; May 19 to June 6. 



AH ALIA, TOURN. WILD SARSAPARILLA. 



(Araliacece.) 

 A. nudicaulis, L. Wild Sarsaparilla. 



North America. 



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

 Fl. greenish; May. 



A. quinquefolia, DECNE. & PLANCH. 



Ginseng. 



PL, 1895. Hardy. Ht. 8 to 15 in, 

 FL greenish yellow; July. 



*A. racemosa, L. American Sweet 



Spikenard. North America. 

 PL, 1895. Hardy. Ht. 3 to 6 ft 

 FL greenish white; Aug. 



ARENARIA, RUPP. SANDWORT. 

 (CaryopTiyllaceoB.) 



A. ccespitosa, Ehrh. = A. verna ccespi- 

 tosa. 



A. f oliosa, EOYLE. Himalayas. 

 PL, 1905. Hardy. 



A. graminif olia, SCHRAD. Eastern Eu- 

 rope; Northern Asia. 

 PL, 1898. Hardy. Ht. li ft. FL 

 white; June 6 to July 7. 



A. pinifolia, BIEB. Caucasus. 

 Syn. Alsine pinifolia, Fenzl. 



A. purpurascens, EAYMOND. Pyrenees. 

 PL, 1895. Hardy. Ht. 4 in. Fl. 

 light lilac; May 26 to June 18. 



A. verna, L. Europe ; North America. 

 PL, 1896. Hardy. Ht. 3 in. Fl 

 white; May. 



A. verna csespitosa. 



Syn. A. ccespitosa, Ehrh. 

 PL, 1898. Hardy. Ht. 3 in. Fl. 

 white; May. 



ARMERIA, L. THRIFT, SEA PINK. 



(PlumbaginaceoB.) 

 A. cephalotes rosea. 

 PL, 1898. Tender. 



ARMERIA Con. 



A. elongata, HOFFM. 



Syn. A. vulgaris, Willd. 

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

 pink; June 6 to Sept. 17. 



*A. maritima lauclieana. 

 PL, 1896. Hardy. 



A. plantaginea, WILLD. . Europe. 

 PL, 1895. Hardy. 



A. vulgaris, Willd. = A. elongata. 



ARNEBIA. See MACKOTOMIA. 



A. echioides, DC. = Macrotomia echi- 

 oides. 



ARNICA, RUPP. 



( Composites.) 



A. Chamissonis, LESS. North America. 



PL, 1894. Hardy. Ht. 2 to 3 ft. 



FL yellow; June 29 to Aug. 27. 



ARTEMISIA, L. WORMWOOD. 



(Compositce.) 



A. Absinthum, L. Common Worm- 

 wood. Europe. 



PL, 1896. Hardy. Ht. 4 ft. FL 

 yellow; Aug. 1 to Aug. 20. 



A, norvegica, FRIES. Norway. 



PL, 1896. Hardy. Ht. 3 to 4 ft. 

 F. yellow; Aug. 4 to Aug. 22. 



A. rupestris, L. Europe ; Siberia. 

 PL, 1896. Hardy. Ht. 6 to 10 in. 



FL greenish yellow; Aug. 8 to 



Aug. 29. 

 A. selengensis, Turcz. = A. vulgaris. 



A. stelleriana, BESS. 

 North America. 



Old Woman. 



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

 FL yellow; June 30 to July 16. 



A. vulgaris, L. Mugwort. Northern 



temperate regions. 

 PL, 1896. Hardy. Ht. 6* to 7 ft. 

 FL yellow ; July 27 to Aug. 13. 



ARTIM, L. 



(Aracece.) 

 A. palaestinum, Boiss. Black Calla, 



Solomon Lily. Orient. 

 PL, 1898. Tender. 



