PLATE II 



EXAMPLES OF LOW-POWER PHOTO-MICROGRAPHY 



{The negatives and reproductions are -untouched) 



Fig. I. Juncus Lamproearpus. Transverse section of Rhizome. Photographed 

 with Zeiss " Planar " 50 mm. focus. x 10 



Fig. 2. Pterocarpus Santalinus. Longitudinal section of the wood. Photographed 

 with Zeiss 24 mm. apochromatic and 5 compensating ocular. x 50 



{From a specimen kindly lent by the Pharmaceutical Society. 



Fig. 3. Mallow. Transverse section of stem. Photographed with Zeiss " Planar " 

 50 mm. X 9 



Fig, 4. Anchusa Strigosa. Hairs of leaf. Double oblique light. Photographed with 

 Zeiss " Planar " 50 mm. x 10 



Fig. 5. Zea Mais. Longitudinal section of fruit. Photographed with Zeiss " Planar " 

 50 mm. X 4 



Fig. 6. Pilocarpus Jaborandi. Transverse section of leaf. Photographed with 

 Zeiss 24 mm. apochromatic and 5 compensating ocular. x 50 



(From a specimen kindly lent by the Pharmaceutical Society. 



Fig. 7. Drosera Rotundifolia. Leaf. Umtained specimen. Photographed with Zeiss 

 " Planar" 50 mm. x 6 



This specimen is much easier if stained. 



