CHAPTER I
ROOTS AND RHIZOMES
Cross-section of pink root 219 Cross-section of ruellia root 219 Cross-section of spigelia rhizome 223 Cross-section of ruellia rhizome 226 Powdered pink root 227 Powdered ruellia root 227
ROOTS AND RHIZOMES
Cross-section of pink root 219 Cross-section of ruellia root 219 Cross-section of spigelia rhizome 223 Cross-section of ruellia rhizome 226 Powdered pink root 227 Powdered ruellia root 227