CBUGIFEBJE. 



id; 



IV. WOAD SERIES. 



Woad 1 (Fi\, Pastel ; figs. 257-262) has a cruciferous perianth and 

 androceum, with the sepals equal at the base, and noteethtothestaminal 

 filaments. The floral receptacle bears four glands superposed to the 



Isatis tincloria (Dyers' Woad). 



Fig. 257. 

 Flower (f). 



Fig. 25<J. 

 Fruit (f). 



Fig. 260. 

 Open fruit. 



Fig. 258. 

 Long. sect, of iiower. 



petals. The ovary is short, flattened from before backwards, so that 

 the two placentas are nearly in contact. It contains one or more, 

 rarely two descending ovules, and [ sa u s hebecarpa. 



is surmounted by a little stigma- 

 tiferous head. The fruit is 

 a silicule, oblong, oval, suborbicu- 

 late, or tapering into a wedge at 

 its base, much flattened perpen- 

 dicular to the placentas. 2 Its 

 edges are thickened, or thinned 

 off and almost foliaceous, while 

 its swollen, hard or horny centre contains one seed (more rarely two 

 superposed) suspended ; the fleshy embryo has a superior radical in- 



Fig. 261. 



Fruit. 



. Fig. 262. 

 Dehiscent fruit. 



1 Isatis T., Inst., 211, t. 100.— L., Gen., n. 

 824.— Adans., Fam, des PL, ii. 423.— J., Gen., 

 242.— DC, Prodr., i. 210. — Spach, Suit, a 

 Bvffon, vi. 573. -Enil., Gen., n. 4938.— B. H. 



Gen., 94, n. 129 (incl. : Chartoloma Bge., 

 Sameraria Desvx.). 



2 Prolonged into a leafy wing in Sameraria 

 (Ee&vx., Jonrn. Pot., iii. 161 ; — Beiess., Jr. 



