ON CACTI AND OTHER SUCCULENTS; 



80 1 



flowers, which are pure white, have a long curved tube. P. cre- 

 natus has very large flowers of a pale cream colour, which exhale. 



Fig. 538. — Opuntia Rafinesquii. 



a beautiful fragrance. P. (Disocactus) biformis is small, having 

 an affinity to 

 Epiphyllum; 

 the notched 

 branches are 

 short and 

 drooping, a s 

 also are the 

 flowers ; the 

 berry-like fruit 

 is red. P. 

 grandis has very large 

 creamy-white flowers, often 

 ift. in length, which open 

 at night, and are strongly 

 scented. P. latifrons is 

 a large, quick - growing 

 species, with broad stems 

 and white flowers. P. phyl- 

 lanthoides grows from 2ft. 

 to 3ft. high, and has hand- 

 some bright rose-coloured 

 flowers. In addition to 

 the above there are many 

 beautiful hybrids, a few of 

 which may be noted : 

 P. albus-superbus, P. aurantiacus superbus, P. Cooperi, P. grandi- 

 florus, P. Haagei, P. kermesina magnus\ and P. rosens grandiflorus. 



3 F 



Fig. 539. — Phyllocactus Ackermanni. 



