74 MINNESOTA BOTANICAL STUDIES. 



On decaying grass stems in water in laboratory : Hennepin, Dec, 

 Jan., Feb. .1907-08, Hone 1005. 



This is not the same as Peziza rubra Peck which seems to be a 

 true Humaria according to Cooke, Mycogr. 31. 



4. Lachnea scutellata (L.) Gill. Discom. franc. 75. 1879. 

 Pcziza scutellata Linne, Spec. Plant. 1: 1181. 1753. 



Usually gregarious, sessile, fleshy, subglobose and closed at first, 

 becoming disk-like and plane, attached by a central point, 2 mm. 

 to I cm. diameter; hymenium bright-scarlet to vermilion-red, 

 smooth; margin fringed with long brown setae; setae thick-walled, 

 septate, pomted, brown, over 260 mic. long; exterior is lighter 

 colored and villose with short brown setae ; spores elliptical, obtuse, 

 continuous, hyaline, first smooth, becoming reticulate, not verrucose 

 at maturity, eguttulate generally but coarsely granulate, 16-24 ^ lO" 

 14 mic. in diameter; paraphyses septate, clavate, apex filled with 

 orange-red granules, 8 mic. wide. 



On rotten stumps, sticks, bark, etc., in very damp regions, espe- 

 cially on wood on the ground among moss in swampy places. \'ery 

 common and abundant. May-Sept. 1876, Johnson 551 (not pre- 

 served) ; St. Louis, July 1886, Holway 149; Hennepin, June 1890, 

 Sheldon 11; Ramsey, July 1893, Sheldon 5457; Cass, Sept. 1898, 

 Freeman & Mac^^Iillan 185; Wright, May 1900, Freeman 645; 

 Cook, Aug. 1903, Freeman & Ballard 65 ; Hennepin, Sept. 1904, 

 Hone 775 ; Chisago, Sept. 1904, Hone 472 ; Hennepin, Oct. 1906, 

 Rosendahl ; Washington, Oct. 1908, Hone 2003. 



Exsiccati: Fllis, North American Fungi. 1310: Plates: Sowerby 

 Eng. Fung. i. pi. 24; Cooke, Mycogr. pi. 34. fig. 131 ; Pabst, Cryp- 

 to. Fl. Taf. 19; Boudier, Icones Mycol. 2. PI. 368. 



5. Lachnea setosa (Nees) Phill. Man. Brit. Discom. 406. 1887. 

 Pccica setosa Nees, Syst. Pilze. 260. f. 275. 1816. 

 Gregarious, sessile, fleshy, subglobose and closed when young, 



becoming saucer-shaped, 1-4 mm. diameter; hymenium orange-red, 

 never vermilion-red, even ; margin rolled in, fringed with erect, 

 septate, thick-walled, pointed, brown setae, when dry setae turn in 

 and form a dense erect cluster ; exterior pilose with shorter brown 

 setae ; spores elliptical, obtuse, continuous, hyaline, first smooth 

 becoming finely reticulate at maturity, eguttulate, 16-20x8-10 mic; 

 paraphyses septate, slightly clavate, containing orange-red granules. 

 On rotten logs and wood in moist woods. Common and abun- 

 dant: Hennepin, Sept. 1898, Freeman 243; Ramsey, May 1899, 



