764 



POPULAR SCIENCE MONTHLY. 



prodigal luxuriance. Gladioli have a brief period of gaudy predomi- 

 nance.- Fragrant white Amaryllidacece are there, and the dainty- 

 flowered Bomidea. Hidden among the rocks grows the little native 

 Jack-in-the-pulpit. The common brake, Polypodium, and Davallia 



Cochineal Culture. OKI i)laiits of OpuHtiafinis-indica with the " ripe " insects surrounded 

 by a white, eottiJiiy, protective excretion. 



are here as everywhere among the rocks, and more rarely the sweet- 

 scented fern and a species of Notholcena peep from the chinks of the 

 crags. Gray clumps of the giant Canary Eupliorhia rise sometimes 

 to a height of twenty feet, and among the great columnar branches 

 twine coils of spiny Eid)ia. There are several woody species of 



