350 BRITISH ЕЕКМ5 
XLIV 
CONGESTUM PRESTON ( Woll.) 
Mr. R. P. Preston, Yelland, Carnforth. Lancashire. TE 
II іп. 
Syn. PRESTON (Moore) 
Mr. Barnes records the discovery in the north of the following 
plumose forms of the species :— Preszonzz, found in 1871 on the 
limestone range called Warton Crag, Lancashire, by Mr. Preston, 
of Yelland ; Barrowii, found in 1874 near Witherslack, West- 
moreland, by Thomas Barrow, a stonemason, of Lindale; Zadzwznzz, 
found in 1875 near Silverdale, Lancashire, by Mr. Hadwin, of 
Liverpool. Mr. Lowe has a fine plumose form which is said to 
have been found near Macclesfield, by the gardener of the late Mr. 
Brocklehurst of that town. There is also Mr. Ivery's Cambricum 
erectum, a. very robust deltoid form which is said to be fertile, and 
whose history appears to be lost. Prestondd is the nearest approach 
to a congested form. 
Under glass by Mr. Barnes. ‘‘This plant was found by Mr. 
Preston not far from his own farm; it was very small, growing in 
the crevice of a rock,—and so fast that he could not get it out ; he, 
however, managed to break off the piece of rock on which it was 
growing, and with true patience and perseverance got it safely 
home. ”— Note by Mr Barnes. 
Perfectly barren,—-in fact a close-growing plumose form. 


