ON ORCHIDS. 



6oi 



it does well in the cool house. C. callosum Sanderce is 

 another albino, represented in Fig. 377. Fig. 378 represents 

 C. Rothschildianum^ undoubtedly the finest species among 

 the so-called New Guinea section of Cypripediums. It has 



Fig. 382. — Cypripedium Godefroy^ leucochilum. 



proved a most useful subject for hybridisation purposes. Fig. 379 

 represents C. Arthurianum^ and Fig. 380 C. regina, which 

 belong to the C. Fairieaniim section of hybrids, and must 

 remain among the most valuable of hybrid Orchids, as the last- 

 mentioned species has become practically extinct, and baffles 

 all the efforts of collectors to re-discover its habitat. Fig. 381 

 represents C. Chapmanii magnijlcum, a unique hybrid of the 

 C. bellatulum section, and Fig. 382 shows C. Godefroyce leucochilum^ 

 one of the finest of the natural hybrids. Fig. 383 represents 

 C. iySelenipedimn) caudatum, the best species of the Western 

 section. The tail-like pendulous petals often attain upwards of 

 3oin. in length. For fuller list see " Appendix." 



Cyrtopodium requires the warm intermediate house during 

 the growing season, with cooler treatment during the season of 



