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white. It is a native of Spain and Portugal, flowering in June and 

 July. 



The fifth has an upright stem : the branches numerous, slender, 

 round, smooth, slightly striated, having a few tubercles scattered 

 over them, below leaflets : the leaves on the younger branchlets 

 small, lanceolate, deciduous, silky, with very short hairs pressed 

 close: the flowers small, racemed, each on a very short pedicel. It 

 is a native of the South of Europe and Barbary, flowering in June 

 and July. 



The sixth species is a shrub wholly covered with alternate spines, 

 on which the flowers are placed; this renders it quite inaccessible: 

 the branches and leaves are striated and ash-coloured, and the latter 

 are a little villose: the flowers are yellow and rather large. It is a 

 native of the-South of Europe and Barbary, flowering in March and 

 April. 



The seventh has the stalks and branches slender, having a few 

 trifoliate and single leaves towards the bottom : the branches have 

 six angles or furrows : the flowers small, of a pale yellow colour, 

 produced in loose spikes at the ends of the branches, rarely produc- 

 ing seeds in this climate. It is a native of the Levant. 



The eighth species has stalks five or six feet high, sending out 

 many flexible branches, armed with long spines : flowers terminat- 

 ing in clusters, each upon a long pedicel : corolla bright yellow, ap- 

 pearing in June. It is a native of Italy and Spain. 



Culture. The three first sorts are hardy, but the others more 

 tender, especially in their young growth. 



They are all capable of being raised from seeds, and the double- 

 blossomed sorts by layers and cuttings. The seeds should be sown 

 in the early spring, as about April; the hardy sorts in beds of com- 

 mon earth, either in drills or by bedding in to the depth of an inch : 

 but in the tender sorts in pots or beds hooped over to protect them 

 in frosty weather. In the following spring they should be removed 

 into nursery-rows or larger pots, according to the kinds, shortening 

 their tap-roots, and setting them out in rows two feet apart, at the 

 distance of one in the rows, to remain two or three years, when they 



