Lachnelluld 283 



1. Lachnellula chrysophthalma (Pers.) Karst. Medd. Soc. Fauna 



Fl. Fenn. 11: 138. 1884. (Plate 128, FiG. 1.) 



Peziza chrysophthalma Pers. Myc. Eu. 1: 259. 1822. 

 Peziza calycina Ahietis Fries, Syst. Myc. 2: 91. 1822. 

 Helotitim chrysophthalmtim Karst. Fungi Fenn. 832. 1869. 

 Pithya suecica Fuckel, Symb. Myc. Nacht. 3: 32. 1875. 



Apothecia gregarious, erumpent through the outer bark, 

 short-stipitate, at first subglobose, expanding and becoming 

 shallow cup-shaped and apparently sessile, reaching a diameter 

 of 5-6 mm., clothed externally with a dense covering of white 

 hairs; hymenium concave, or nearly plane, orange-red; hairs 

 cylindric, reaching a diameter of 4 ^u and a length of 50-60 yi, 

 densely covered with minute granules, hyaline; asci cylindric, 

 tapering below into a rather slender, stem-like base which is often 

 forked, reaching a length of 80 n and a diameter of 5-6 n; spores 

 1 -seriate, globose, reaching a diameter of 5-6 /z; paraphyses 

 filiform, slightly enlarged above, reaching a diameter of 2-2.5 /x, 

 filled with oil-drops. 



On bark of conifers. 



Type locality: Europe. 



Distribution: Ontario to Idaho, Montana and Colorado; 

 also in Europe. 



Illustrations: Rab. Krypt.-Fl. 1'^: 828, /. 1-5; E. &. P. 

 Nat. Pfl. V: 200,/. 138, A. 



Frequently collected in the Rocky Mountains on bark of 

 Abies and Picea and occasionalh' on Pinus. Also reported by 

 L. O. Overholts from Ontario on Pinus Banksiana (Mycologia 

 25:420. 1933). 



2. Lachnellula microspora Ellis & Ev. Proc. Acad. Sci. Phila. 



1893:451. 1893. 



Apothecia sessile, or very short-stipitate, at first nearly 

 closed, expanding and reaching a diameter of 2-3 mm., the 

 margin fringed and the outside of the apothecium clothed with 

 rufo-cinereous hairs; hymenium pale-orange when fresh, sub- 

 rufous when dry; hairs stout, simple, or branched, subfasciculate, 

 reaching a length of 70-80 ii and a diameter of 3.5 /x; asci clavate- 

 cylindric, subsessile, reaching a length of 55-60 ix and a diameter 

 of 6-7 /x; spores 1-seriate, globose, hyaline, reaching a diameter 

 of 3.5 jx; paraphyses present. 



On bark of spruce trees. 



