Lelesseriea.'] plocamium. 251 



It is not easy to account for the variety of form which 

 the plant assumes in different locahties. Looking at a 

 pretty specimen got from Miss White, in Jersey, through 

 the kindness of Mr. Smith of Jordan -hill, we were going to 

 ascribe its greater softness of substance and more flowing 

 ramification, to the more genial climate j but turning our 

 attention to a rich specimen from North Konaldshay, we 

 saw that the Orcadian was as flowing in ramification, and 

 as flaccid in substance, as the native of the Channel Islands. 

 A specimen gathered by Mr. Keddie at lona, and another 

 found by the Lady Emma Campbell in Islay, resemble 

 those found in the north of Ireland. The one from Lady 

 Emma Campbell acquires additional value from having a 

 very rare zoophyte nestling among its lower branches, — 

 Alecto granulata of Milne Edwards. Dr. Johnston describes 

 and figures it in his most interesting ^ History of British 

 Zoophytes.' It had previously been procured only by Mr. 

 Couch, in Cornwall, and by Mr. WilHam Thompson in 

 Ireland. Keep a good look-out, my young friends, for 

 precious parasites on what comes from deep water, or new 

 localities. 



The colour of Plocammm coccineum is beautiful, espe- 

 cially when exposed a little to the sun after a shower of 



