429 



L.M.B.C. MEMOIRS. 



No. IX. CHONDKUS. 



BY 



Otto V. Darbishire, 



Owens College, Manchester . 



Contents. 



PAGE 



I. Introduction 430 



Introductory remarks. The collection of material and 

 its preparation for the herbarium and the microscope. 



I. CHOHDRUS crispus (L.) Stackh 435 



A. External morphology of the vegetative organs 435 



B. Anatomy and histology of the vegetative organs 438 



1. Anatomy of the shoot , 438 



•1 . Anatomy of the root 443 



3. Histology of the shoot 444 



4 . Histology of the root 448 



C. Physiology of the vegetative organs 448 



D. The reproductive organs 450 



1. The nemathecium 451 



2. The spermophore 454 



3. The carpophore 455 



E. Ecology 457 



III. Concluding Remarks 462 



General summary 4G3 



Conclusion 465 



Description op the Plates 467 



HH 



