— 236 — 



In a young stem the pith is a water-storing tissue. Tlie 

 primary cortex includes bundles of bast at regular intervals. 

 Outside is the green outer cortex with its cells slightly 

 palisade-like. 



Zygophyllum Fabago and miniatiim both have broader 

 leaves and shorter branches than Z. Eichivaldii. 



The leaves of Peganiim Harmala are repeatedly furcate 

 with linear segments. The branches lie prostrate on the 

 ground like those of Zygophyllum. It flowers in spring 

 and the shoots wither during the summer, (comp. Volkens 



p. m.) 



Fig. 61. Slatice ololepis. A, Transverse section of inflo- 

 rescence-axis. The wood is blacli, the white holes indi- 

 cate vascular bundles which are also present within 

 the ring. B and C, Details of A; B shows a gland and 

 a stoma. A, X iT ; B and C, X 203. 



Statice otolepis Schrenk. 



This species has large broad basal leaves which are 



dorsiventral with two layers of palisades on the upper side, 



and spongy tissue with stomata on the lower. These leaves 



die on the approach of summer. Meanwhile the plant has 



