Explanation of the Plates. 
All the figures are half size (4/9) reproductions of photographs taken from dried speci- 
mens. Fig. 11, 14 and 18 are from plants from King William Land, figs. 3, 9, 13, 16, 17 
and 19 from 
King Point. 
Herschell Island, and figs. 1, 2, 4—8, 10—12, 14, 15, 18, 20—22 from 
plater: 
Alsine macrocarpa (PURSH) FNZL. 
Alsine arctica (STEVEN) FNZL. 
Anemone parviflora Mıcnx., var. grandiflora ULBRICH, 
Anemone Drummondit S. Warts. 
Erysimum inconspicuum (S. Wars) Mac M. 
Lupinus nootkatensis Donn, var. Kyellmant nov. var. 
Saxifraga Nelsoniana D. Don. 
Plater 
Caltha palustris L., var. asarifolia (D.C.) Hurn. 
Ranunculus occidentalis NUTT., var. robustus A. Grav. 
Mertensia pilosa (CHam.) G. Don. 
Cerastium Regelit nov. nom. 
Oxytropis campestris (L.) D. C., var. melanocephala Hook. 
Oxylropis nigrescens (PALL.) Frscu. 
Oxytropis arctobia BUNGE. 
Pilates lil: 
Ranunculus gelidus Kar. & Kir. 
Oxytropis Roaldi nov. sp. 
Thlaspi alpestre L. var. purpurascens (Ryp».) nov. comb. 
Taraxacum hyperboreum DAHLST., nov. sp. 
Taraxacum eurylepium DAHLST., nov. sp. 
Senecio integrifolius (L.) CLatrv., var. Lindstroemii nov. var. 
Androsaces septentrionalis L.,'var. Gormannii (GREENE) nov. comb. 
Cerastium alpinum L., subsp. Frscherianum (SERINGE) Torr. & GRAY. 
Corrigenda. 
Page tro line 2, p. 128 read p. 129. 
SU D MOG NP GO: 
er 15 , 15, delete: "Arabis arenicola (Richards.) Gel.“ 
21 
Printed April 2rst 1910. 
