72 



ARACEAE. 



Aglaonema marantaefolium Bl. 



Habitat the East Indies. 



Coll. April 1895. 



Four specimens showed two bracts. In three of these cases 

 one bract encloses the margins of the opposite one, in the fourth 

 they enclose one another mutually. 



Alocasia nobilis Hallier f. 



Habitat Sumatra. 



Coll. Oct. 1897. 



One leaf is collaterally doubled, both parts having developed 

 to complete leaves cohering with the sheaths only. 



Amorphophallus variabilis Bl. 



Habitat the East Indies. 



Coll. May 1895. 



The spatha shows three apices. According to Mr. Smith di- 

 visions of the apex frequently occur. 



Antlmrium macrolobium (hybr.) 



Coll. February 1901. 



The spadix is midway divided into two (fig. 20). 



Antlmrium regale Lind. 



Habitat South America. 



Coll. June 1896. 



The blade is quite double, the two parts cohering along their 

 midribs and with their lower sides facing one another. Petiole 

 undivided. 



Caladimn hybridum. 



Habitat South America. 



Coll. July 1898. 



The leafblade shows a few excrescenses of the kind called 

 by Masters, „enations" and occasionally occurring for instance 

 in cabbage and rhubarb (fig. 21). 



ORCHIDACEAE. 

 Although the majority of the following plants have as yet 

 not been described it will yet appear that of the deviations 



