IS. Iv. 
Text-fig. 7. i-iv. Danaea alata, Sm. Diagrams illustrating transverse sections of the rhizome of an old 
plant at successively higher levels. They are in fairly close sequence, but are not consecutive. The contours mark the 
outer limits of the phloem. c.s'\ commissural strand of the internal stelar system ; comp.s., compensating strand ; 
U., leaf-trace ; r.t ., root-trace. 
