Tin: füoace.t: of japax. 31 



at the upper portion mostly elongate into Intonil brandies; while 

 those on the swollen side develop into su])ordinate fusiform stems 

 of similar appearance. 



The stems of the fusiform branches are smooth, cylindrical 

 or subterete, and measure about 2 mm. in diameter above the 

 incrassated portion. Lateral branches are given out in all direc- 

 tions, apparently ]^innately ramose in the pressed specimens. 

 Some of them in the upper portions are geminate but by no 

 means of specific importance. 



The lower lateral branchlets of the fusiform branches are 

 generally entirely w^anting in vesicles. They often attain 13-lGcm. 

 in length, the diameter of the stems being 1.5 mm. or less. The 

 leaves at the basal portions of these branchlets are narrowly 

 , linear, 2-3 cm. in length and 1.5-3.0 mm. in breadth, pointed 

 above, and tapering below into flat stipes. They are ribless and 

 entire. The upper leaves become narrower by degrees and 

 divide decompoundly pinnately or apparently sympodially. The 

 terminal ones are hair-like and less ramose. 



The lateral branchlets found in the middle portions of the 

 fusiform branches are decompoundly pinnate and are vesiculi- 

 ferous at their basal parts with or without the receptacles on 

 the terminal regions. The uppermost branchlets are generally 

 destitute of vesicles and each ultimate segment ends in a 

 receptacle. 



Vesicles are spherico-ellipsoidal with a long, flat stalk at 

 the base, and are mucronated or awned at the top. Some ot 

 them are found with one or more minor vesicles in succession 

 on the top. Each two successive vesicles are sharply and 

 distinctly separated one from another by a short and delicate 

 link. This character is especially important in distinguishing 



