THE PHYTOLOGIST. 



No. XXX. 



NOVEMBER, MDCCCXLUI. 



Price Is. 



Art. CLXXIII. — Notes on the new British Cuscida (C. Epithymura 

 ^. Tiifolii, Bah.) By Daniel Wheeler, Esq., M.R.C.S.L. 



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Magnified figures to show the connexion between the Cuscuta and the clover. 



Fig. 1. — a, portion of clover-stem enlarged, c, the apertures by which the Cuscuta penetrated. 



Fig. 2. — A highly magnified representation of a very thin transverse section of a portion of the stem of 

 clover, with the Cuscuta attached. ft, Stem of the Cuscuta. c, Spongioles of Cuscuta penetrating the clo- 

 ver-stem ; that on the right having a bifid extremity reaches the medullary sheath, that on the left merely en- 

 ters the cellular tissue, d, Bundles of woody fibre, e. Medullary sheath. 



Fig. 3 — A less magnified representation of a transverse section of a clover-stem, with dodder attached to 

 it. A portion is left unfinished, that the relation of parts may be shown more distinctly. The letters apply 

 to the same parts as in fig. 2. 



Fig. 4 — A portion of dodder-stem which has not yet attached itself to clover, magnified to show the shape 

 and cellular structure of the teeth-like processes [spongioles]. 



Having heard from ray friend Mr. Hanson, that the new Cuscuta 

 was growing upon clover in this neighbourhood, I visited the field, 

 and found several patches of it, varying from a few feet to between 

 two and three yards in diameter. Its general appearance cannot be 

 better described than in the words of Professor Henslow. It looks 



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