34 



MB. C. BAILEY ON THE STRUCTURE ETC. 



fructu lineari-oblongo^ granulate. Nippon, in fossis circa 

 Yokohamam semel inveni fructiferam^-''^. 



IV. The Stem. 



The stems vary in lengtli from a few inches to upwards 

 of two feet, and they have many branches. Considering 

 the large number of leaves which they support, the stems 

 are comparatively weak ; they do not vary mach in 

 diameter from the base to the summit; vertical sections 

 of the upper internodes are not quite so circular as those 

 of the lower internodes. 



Fig. 42. 



If we examine one of these internodes we find that the 

 centre of the shaft consists of a small channel, surrounded 

 by two or three layers of elongate cells somewhat closely 



* Diagnoses breves plantariim novarum Japonisse et Manclsburia% in Bul- 

 letin cle I'Acacl. Imp. des Sciences de St. Petersbourg, vol. sii. pp. 71, 72 

 (i868). 



