CHMOOLEl'IDEyE. 187 



Chroolepus aureus, Eng. Fl. v., 380, in part. 

 On Holly bark. 



Included in Harvey's Manual (p. 189) under Chroolepus 

 aureus. Figured from the original specimen. 



Plate LXX1I. fig. 5. Portion of thread of Cliroolepus ilicicolus 

 X400. 



Chroolepus lichenicolus. Ay. Syst. 34. 



Tufts red-orange ; threads erect, tufted, alternately branched, 

 rigid ; cells slightly tumid, as long as broad. 



SIZE. Cells '012 mm. cliam. Zoosporangium about '015 

 mm. cliarn. 



Eng. Fl.v., 381. Eng. Bot. ii. t., 2530. Harv. Man. 190. 

 Mack. Hib. 247. 



Conferva lichenicola, Eng. Bot. i., t. 1609. Dillw. Conf. p. 

 56. 



Chroolepus abietmum, Rabh. Alg. Enr. iii., 372, in part. 



On Lichens and old trees. 



Figured from the original specimens. 



Plate LXXIJ. fig. 3. Portion of thread of Chroolepus alietinum, 

 var. lichenicolus X 400. 



Species Excluded. 



Chroolepus Arnottii. Harv. Man. p. 191. 

 This is a fungus, Antennaria Amottii, Berk in Herb. 



Chroolepus ebenea. Harv. Man. p. 189. 



Conferva ebenea, Dillw. Conf. t. 101. 

 Byssus nicjra, Eng. Bot. i., t. 702. 



Probably a species of Helminthosporium. 



Chroolepus melaenus. Carm. in Harv. Man. p. 189. 



Conferva melaena, Lyngb. Hydrot. 57. 

 Apparently a Torula. 



Chroolepus mesomelas. Carm. in Harv. Man. p. 189. 

 Torula mesomela, Carm. Alg. App. 



We have seen no specimen, but it would appear from descrip- 

 tion to be Helminthosporium. 



2 D 



