284 



A TEXT-BOOK OF BOTANY. 



o 



FIG. 150. Forms of glandular hairs: A, corkscrew-like hairs from the inner surface 

 of the spurred corolla of lavender; B, longitudinal section of rhizome of Dryopteris mar- 

 ginalis showing large intercellular space and an internal oil-secretion hair; C, hairs from 

 stramonium leaf ; D, hairs from Digitalis; E, hair from sage; F, hair from eriodictyon; G 

 hairs from inner walls of pericarp of vanilla; H, hair from cannabis indica; I, hairs from 

 surface of fruit of Rhus glabra; K, hairs from belladonna leaf. 



