THE CRYPTOGAjNIIC FLORA OF KENT. 117 



stem of Mr. Bloxam's plant, but think that the B. eruhescens, Wirtg. 

 may be the same ; for our plant seems to accord with no. 92 of his 

 collection (ed. 1), although not with no. 32 of his Ed. 2. Yet 

 these numbers are considered as belonging to the same species 

 both by Wirtgen and Focke. I find it quite impossible to form a 

 satisfactory opinion of the plant without seeing better specimens 

 from Atherstone. A specimen gathered by Mr. Bagnall at Man- 

 cetter, in Warwickshire, is not sufficient for determining the true 

 place of the plant, — indeed is hardly the same as that of Bloxam, 

 but rather one of the Koehleriani, although gathered at the " exact 

 spot pointed out by Mr. Bloxam." 



(To he continued. J 



THE CRYPTOGAMIC FLOEA OF KENT. 



By E. M. Holmes, F. L. S. 



(Continued from p. 64*), 



Lichens. 



Fam. Collemacei. 



The Collemacei present few good distinctive charactei-s, and 

 many of them a^jpear to have such numerous forms, that great 

 difficulty has been experienced in identifying the specimens col- 

 lected. 



In compiling this portion of the Lichens it has been deemed 

 advisable to follow the arrangement of the Eev. J. M. Crombie,! 

 wdio has paid more attention to this group, perhaps, than any 

 living British botanist. 



Several species beside those here enumerated may be expected 

 to occur m Kent, esx^ecially in damp chalk-pits or on sand-hills 

 near the sea, or on the greensand rocks ; among these may be 

 mentioned Lej)toguim pcdmatiun, which is usually found amongst 

 grass, on shelly sand near the sea, and sometimes in hedgebanke 

 or by roadsides in hilly districts ; L. treinelloides, in damp lanes 

 near the sea, easily recognised by its thin texture and leaden colom* 

 when dry ; Collema cujureijatmn, on old trees ; C. melceniun and 

 C. chalazaniwi, on mossy limestone walls ; and C. antic idatiun, in 

 chalk-pits or on mud-caj^ped walls, on a limestone soil. The Xosto- 

 chinea: should perhaps be classed with these Lichens, since they 

 are probably only phases in the life-history of various species of 

 Collema and Lepto[/iuvi. Until, however, they have all been iden- 

 tified with different species of these genera, as X vesicariuml ^^^ 



* On p. 44 I omitted to state that the directions given lor examining Hepaticce 

 are quoted from Carrington's ' Irish Cryptogams,' as Avas also Dr. Gottsche's 

 statement concerning J. ventricosa on p. 52. 



+ ' Journ. Bot.,' 1874, pp. 330—^07. 



X ' Botanische Zeitung,' la55, p. 1. 



