SELECTION OF PLANTS. 191 



may produce seeds, but at present it is doubtful if they 

 ripen. 



It is a native of North California. 



597. NICOTIAN A PERSIC A. Shiraz Tobacco. 



Class 5th. Pentandria Monogynia. 



It is rather a handsome Annual, exhaling a faint but 

 pleasant odour in the evening, at which time its flowers are 

 in perfection. It appears to require a dark rich soil, and 

 most abundant watering during all the season of heat. 



It is a native of Persia. 



598. HELLEBORUS ODQRUS. Sweet Hellebore. 



Class 13th. Polyandria Polygynia. 



A very desirable addition to the scanty store of winter- 

 blowing flowers, lately introduced from Hungary by the 

 Horticultural Society. Its flowers, which are produced at 

 Christmas, have a faint smell, though an agreeable fra- 

 grance, which may be compared to newly-gathered Fron- 

 tignac grapes. It thrives in a peat border, among bushy 

 plants, but it should be protected in winter with litter. 



599. (ENOTHERA DENSIFLORA. Close-flowered Evening 

 Primrose. 



Class 8th. Octandria Monogynia. 



A hardy Annual, producing seed in great abundance. 

 It is a native of North California, and may be seen in 

 the garden of the Horticultural Society when in blossom. 



600. FRANCOA APPENDICULATA. Sow thistle-leaved 

 Francoa. 



Class 8th. Octandria Monogynia. 

 A pretty herbaceous plant, found abundantly in various 



