

Murrill: The Boleti of the Frost herbarium 521 



color of the tubes of B. aiiriponts still well preserved. The speci- 

 mens united at the base suggest another synonym, B. caespitosus 

 Peck, in which the subcespitose character and the subcuticular 

 reddish tint were emphasized. (Plate 37.) 



Boletus limatulus Frost. 



This species, reported rare by Frost, was collected in hilly 

 woods in July, 1869. One sheet contains five fair plants, with 

 full description, and another three plants well preserved. They 

 may all be referred to B. edulis. 



Boletus luteus L. 



None of the specimens are good, most of them being moulded. 

 Inere are three sheets containing fourteen plants, one of the sheets 



flavidus 



fiih 



Boletus magnisporus Frost. 



Represented by three sheets containing six poor specimens 

 Elected in woods and thickets. The species is not distinct from 

 t ' ihn dus. The spores are oblong-elliptical, decidedly ferruginous- 



ous, 12-16 fi x 4-5 ft. Frost makes them 16.5 ft x 6 ft. The 

 color of the spores is probably greenish in fresh specimens. 



Boletus 



Represented by two sheets containing five excellent specimens 

 collected in woods and borders. 



^etus ornatipes Peck. 



Represented by two sheets containing ten good plants. See 



MINIATO-OLIVACEUS FrOSt. 



pallidus Frost. 



" arks under B. edulis, B. felleus, and B. rctipes 



Boletus 



Represented by three sheets, containing three excellent speci- 

 es and six more or less moulded ones. On one sheet is a full 



^cription. (p LATE 38 .) 

 Bole tus Peckii Frost. 

 Th 's species, published by Peck in the 29th Report, does not 



a Ppea 



B0LE T us 



r »n the collection. 



pictus Peck. 

 S ee Boletus Murraii 



^letus 



PIPERATUS Bull. 



jj v he collection contains two sheets of this species, one with 

 , e Poor pl ants and one with four eood ones. The habitat is 



&Ven 



as " woods and grass grounds/' 



