68 Darwin- Wallace Celebration. 



4. Natural hybrids between 0. crispum and other species which 



grow with it. 



O. Andersonianum (crispum'X.gloriosuni). 

 O. Coradinei* (crispumxLindleyanum). 

 O. Wilckeanum* (crispumxlnteopurpureum). 

 O. Adrians* (crispum X HunneweUianuiri). 

 O. harvcnfftense * (crispum X triumphant). 



* The asterisk indicates that these four have also been raised artificially 

 in gardens. 



5. Other hybrids from the same district. 



O. Mulus (gloriosumxluteopurpurewri). 



O, acuminatissimum (Lindleyanum X luteopurpureum). 



O. preevisum (gloriosum'X.Lindleyanwii). 



O. Hudsoni (gloriosumx Hunnewellianum). 



6. Artificial hybrids of 0. crispum with species which grow in 



different regions. 



O. armainvillierense (O. crispum X nobile) . 



O. crispo-Harryanum (O. crispum X Harry 'anum). 



O. Lambeauianum (O. crispum'X.Rolfece). 



O. Thompsoniunum (O. crispiimxEdwardii). 



Odontioda Bradshawiana (O. crispumX Cochlloda Noetzliana). 



7. Living plants and flowers of the species : 



O. crispum. Pacho and Velez. 



O. Lindleyanum. Pacho and Velez. 



O. luteopurpureum. Pacho. 



O. Hunneiuellianum. Velez. 



O. triumphans. Velez and Ocana. 



O. nobile, Ileichb. f. Ocana. 



with the hybrids : 



O. harvengtense (loochristiense) ; O. Wilckeanum ; O. Adrians ; 

 O. armainvillierense. 



Mr. R. ALLEN ROLFE, A.L.S., has since supplied the following 

 statement : 



Odontoglossum crispum is a very popular garden Orchid which 

 has been cultivated for upwards of forty years, and during the latter 

 part of that time has been imported in enormous quantities. It is a. 



