GREENHOUSE AND LABORATORY 



33 



=w= 



mm 



mm 



ills 



^M 





■PHa 



m 



Fig. 2. — Ground plan op experiment greenhouse; X^. 



D. physiological dark room; G, gas (and water) room: H , heating table under hood; K 

 sink: M, meteorological instrument table; T, tables for experiment; W, Wardian 

 case Cor meteorostat). 



