180 



NATURAL HISTORY OF PLANTS. 



orfto.'of which one species, the Wallflower (Fr., Glroflee lame; 

 fi>s. 191-200), is often cuitivrated in our parterres, and flowers in 



Cheiranthus Cheiri. 



Fig. 192. 

 Flower. 



Fig. 196. 

 Flower, perianth removed. 



Fig. 194. 

 Long. sect, of flower. 



Fig. 195. 

 Petal. 



Fig. 193. 

 Diagram. 



early spring. Its flowers are regular hermaphrodite, with a convex 

 receptacle forming a depressed cone. It bears near its base a cru- 

 ciate calyx of four free sepals, alternative-imbricate in the bud (fig. 



1 L., Gen., n. 815. — Adans., Fam. ties PL, ii. Organog., 214, t. 44 ; Tarn. Nat., 138. — Hook. 



418 {Cheiri). — J., Gen., 238. — R. Be., in Ait. F. & Thoms., Pracurs. ad Fl. Ind. (Crveif.), in 



Hort. Kew., ed. 2, iv. IIS.— DC., Sgst. Veg., ii. Journ. Linn. Soc, v. 136. — B. H., Gen., 68, n. 



178; Prodr.,\. 135. — Spach, Suit, a Buffon, 5. — Schelhammerla Heist., Helmst., 36. 

 vL 406. — Endl., Gen., n. 4818. — Payee, 



