102 



in the soil, arc at too low an altitude, where the atmosphere becomes occasionally 



extremely dry . Just as the I'insapo pine of Southern Spain [Abiei PitUOpd) 

 thrives only at an altitude of about 7000 feet in the cloud region of the 



mountains, so it is with our cypress, and the plantations will have to he made 

 within the region of the southerly cloud-hearing winds, some }S°° — 40°0 feet 

 above the sea. 



* A relative humidity of" the air as low as 24"',, has been recorded at the waterworks 

 on Table Mountain (2400 feet) in December at 8 a.m., hence it would be considerably 



lower in the middle of the day. 



TAXACEAE 



Potfocarpus latifolius (Thunb.) R. Br. 

 section through % inflorescence, the ovule entire, o.s. Ovuliferous scale (epim 

 st.b. Sterile bracts. 0. Ovule. 3. </ catkin. 2/1. 4. Scale of catkin witli 

 bags, seen from below. 12/1. 5. The same from above. 6. Pollen grains. 

 at. Air chambers. 7. Epidermis of leaf with stoma. 8. Edge of leaf with 1 

 sclerenchyma. Eigs. 1-6 from nature, 7-8 from Gkrhard, Knysnawald. 



Long, 

 atium). 



pollen 



40 1. 



ayer of 



Fig. 66. Podocarpm latifolius. Transverse section through root of young plant and 

 tubercle of mycorhi/.a (the fine threads in the tubercle represent the fungus). 

 ;-. Root. /. Tubercle. From material collected on Table Mountain ; drawn by 

 J)r H. DOEBELT. 





