394 LEAF-ANATOMY OF THE GENUS ANDROPOGON. 



even in the plains of the interior, although it responds readily 

 to rain, it will quickly "brown-up" under dry weather-conditions. 



EXPLANATION OF PLATES XXIX.-XXXIIL 



Explanation of References. 

 S, Stereome — P, Phloem— X, Xylem — C.P, Chlorophyll-bearing Paren- 

 chyma — B, Bulliform cells — M.S, Mestome-sheath- St, Stoma — U.P, Un- 

 coloured Parenchyma — M.Bj, Primary Mestonie-sheath — M.Bo, Special 

 form of secondary bundle — M.B,, Secondary Mestoine-bundle — M.B^, In- 

 termediate Mestome-biindle, 



Transverse sections of leaves of species of Andropogon. 



Plate xxix. 

 Fig.l. — Andropogon sericeuf, R.Br. 

 Fig. 2. —.4. affinU R.Br. 



Plate XXX. 

 A. intermedhis R.Br. 



Plate xxxi. 

 A. ischcRmum Linn. 



Plate xxxii. 

 A. refractus R.Br. 



Plate xxxiii. 

 A. hombycinus R.Br. 



