18 Ontlte different Species, fyc. of the Genus Brassica. 



The Chou-rave is swelled only at the head of the stem ; in 

 the Chou-navet, on the contrary, it is the root that swells, 

 the stem inclining to diminish where that of the Chou-rave 

 enlarges. Caspar Bauhin and Linnaeus* designate this 

 race by the name of Brassica gongylodes, but I have thought 

 proper to preserve that of Caulo-rapa ; first, as it is more 

 ancient, having been used by Lobel and Camerarius,*!' and 

 secondly, as it recals the common name by which it is ge- 

 nerally known throughout Europe ; and thirdly, as that of 

 yoyyuXig employed by TheophrastusJ seems rather to belong 

 to the Chou-navet than to this plant. 



I distinguish two principal varieties of Chou-rave,§ or Tur- 

 nip Cabbage ; 1st, the Chou-rave commun, communis, (Common 

 Turnip Cabbage), its leaves being neither fringed nor curled, 

 but perfectly smooth and even ; of this the gardeners have 

 two sub-varieties, known by their colour, viz. the Chou-rave 

 blanc, alba, (White Turnip Cabbage), the leaves of which are 

 of a greenish white, and the swelled and fleshy part of the 

 stem still whiter, it is usually called Chou de Siam. 2nd. The 

 Chou-rave violet, purpurascens, (Purple Turnip Cabbage), so 

 named from the swelled part, and footstalk being purple 

 or red. These sub-varieties, however, are scarcely distinguish- 

 able, the White Chou-rave having for the most part a purple 

 tint. 1 1 The second variety, which I call Chou-rave crepu, 



* C. Bauhin. Pinax, page 111. Linnasi Sp. PI. edit. 2. Vol. ii. page 932. 

 f Lobel, Adv. pp. .90, 92. Camerarii Epist. 25 1 . 

 J Theophrasti Hist. lib. 7- cap. 4. 



§ The Chou-rave is cultivated in the gardens of Germany under the name of 

 Kohl-rabi, and is also much used as an esculent vegetable at the Cape of Good 

 Hope and in the East Indies, where it is called Knol-Kohl. 



jj The French have a third sub-variety, which they call Chou-rave nain hatif, 



