72 MINNESOTA BOTANICAL STUDIES. 



The material examined was dried so tliat the color when fresh 

 could not be determined. 



Exsiccati: Thiimen, Myco. Univ. 915; Durand, Discern. 1147 (De- 

 tonia fulgens (Pers.) Rehmj : Plates: Gillet, Discom. franc, pi. 38; 

 Cooke, Mycog^r. pi. 53, fig. 3209. 



3. Plicariella modesta (Karst.) Lindau, Engler & Prantl. Nat. Pflanz. 

 1:2: 180. 1897. 



Pcziza modesta Karst. Myc. Fenn. i: 64. 1871. 



Barlaca modesta Sacc. Syll. Discom. 113. 1889. 



Scattered, sessile, fleshy, closed at first soon expanding to saucer- 

 like, up to 2 mm. in diameter; hymenium orange-colored, margin 

 even, erect; exterior glabrous; spores globose nucleate, hyaline, 

 finely echinulate, 16-18 mic. in diameter; paraphyses slender, gradu- 

 ally becoming clavate, straight, septate, up to 4 mic. wide. 



On bare damp ground : Ramsey, Oct. 1907, Hone 940. 



Exsiccati: Ellis, North Am. Fung. no. 841. 



Plates : Cooke, Mycogr. pi. 9. fig. 2)Z- 



3. LACHNEA FRIES. 



Cups gregarious or caespitose or solitary, fleshy, small or medi- 

 um, sessile, hemispherical becoming more or less concave, saucer- 

 shaped ; margin and exterior covered with hairs ; spores elliptical, 

 smooth or rough, hyaline, continuous. 



I. Lachnea hemisphaerica (Wigg.) Gill. Discom, franc. 73. 1879. 



Fezica hemisphaerica Wigg. Flor. Holz. 107. 1780. 



Solitary or caespitose, sessile, fleshy, globose then hemispherical, 

 finally quite saucer-like with margin turned back, tough, up to 3.5 

 cm. in diameter ; hymenium bluish-white, smooth ; margin often 

 wavy, fringed with rigid, long, pointed, septate, brown setae, very 

 variable ; exterior pilose, brown, furnished upward with the brown 

 setae ; spores elliptical, obtuse, continuous, hyaline, biguttulate, 

 first smooth becoming verrucose at maturity, 18-25x10-14 mic; 

 paraphyses septate, slightly clavate, straight, up to 8 mic. wide at 

 apex. 



On moist ground and decaying wood in shady places : St. Louis, 

 July 1886, Holway 159; Cass, Sept. 1898, Freeman & MacMillan 

 184; Houston, Aug. 1900, Lyon 740; Hennepin, Sept. 1900, Freeman 

 774, 841; Wright, ]\Iay 1900, Freeman 670; Ramsey, Sept. 1900, 

 Freeman 813; Becker, Aug. 1901, Freeman 1085; Cook, Aug. 

 1903, Freeman & Ballard iii ; Hennepin, Sept. 1903, Hone. 



