verge into a conspicuous fleshy thickening. On careful 
examination of the type number of Camaridium arach- 
nites, however, the central callus is seen to consist of five 
approximate keels of which the three central ones are con- 
fluent into a fleshy apex, as in Mawillaria ctenostachya. 
A RARE EPIDENDRUM FROM MENICO 
BY 
Oakrs AMES 
Epidendrum Karwinskii Reichenbach filius in 
Bonpl. 4 (1856) 827. 
Tsochilus cernuum Lindley in Ann. & Mag. Nat. 
Hist. ser. 1, 10 (1842) 184, non Hpidendrum cernuwm 
HBK. 
Among specimens recently received from the Royal 
Botanic Gardens, Kew, the exceptionally rare and little- 
known Epidendrum Karwinski Reichb.f. has been re- 
cognized. As this species has been known only from the 
type, the following record is noteworthy. 
Mexico, State of Mexico, Temascaltepec, Cuentla. At 1960 meters 
altitude. April 1933. G. B. Hinton 3697. 
[ 40 ] 
