PLATE XV. 



Figs. 1-5. — Lytocarpus spectabilis. 



Fig. 1. — Natural size. 



Fig. 2. — Portion of hyclrocladium, magmfied ; front view. • 



Fig. 3. — Same ; lateral view. 



Fig. 4.^ — Portion of a branch near its distal end where it has become monosiphonic, with 

 hydrocladia and phylactocarps. 



Fig. 5. — Distal end of a phylactocarp. 



