Spratt . — Some Anomalies in Monocoty ledonous Roots . 105 
EXPLANATION OF PLATE III. 
Illustrating Miss A. V. Spratt’s paper on Some Anomalies in Monocotyledonons Roots. 
e. — endodermis ; p. — pericycle ; ph. — phloem ; px. — protoxylem ; t. — tracheide ; a. — parenchyma. 
Fig. 1. Transverse section of stele of young root of Dracaena fruticosa. x 70. 
Fig. 2. Transverse section of stele of root of Cordyline Shepherdii. x 140. y. = secondary 
vascular elements. 
Fig. 3. Transverse section of stele of older root of Dracaena fruticosa. x 70. z. — group of 
vascular elements detached from periphery of stele. 
Fig. 4. Transverse section of old root of Dracaena Draco, x 70. c. = cortical cambium ; v.b. 
= secondary vascular bundles. 
Fig. 5. Longitudinal section of central detached group of vascular elements in Dracaena 
fruticosa root, x 325. f. = fibres ; p. = pits. 
Fig. 6. Longitudinal section of secondary vascular bundle of the root of Dracaena Draco. 
x 3 2 5 - A = pits. 
Fig. 7. Transverse section of Dracaena thalioides root, x 325. s. = suberized outer cells ; 
0. = cortex. 
Fig. 8. Rhizome and root of Cordyline. Natural size. R. — root ; H. = rhizome. 
Fig. 9. Transverse section of Pandanus root. ' x 70. f. — fibres ; i. — intercellular space ; 
A. — group of vascular elements. 
Fig. 10. Transverse section of stele of Monstera deliciosa root, x 140. v. = vessel. 
Fig. 11. Transverse section of periphery of young root of Raphidophora decursiva. x 325. 
h. = hair; d. = epidermis. 
Fig. 12. Transverse section of periphery of older root of Raphidophora decursiva. x 325. 
h. = hair; d. — - epidermis; /. = phellogen ; b. — periderm. 
Fig. 13. Longitudinal section of tracheides of Yucca filamentosa root, x 325. p. = pits. 
