90 SECTION CAMAROPHYLLOPS1S 



clamp connections. No hypodermium differentiated. Pileus-trama hy- 

 phae more or less radial. Pileus and gill trama, and especially the 

 hymenium, a very dull sordid yellowish brown in Melzer's reagent. 



Habit, Habitat, and Distbibution — Gregarious on sandy soil, un- 

 der aspen, Michigan, September. 



Matebial Studied — Michigan: Smith 15455 (type, from Oakland 

 County, Sept. 24, 1940). 



Obsebvations — The usual iodine reaction for Hygrophori is a 

 bright yellow for the gill trama, hymenium, and flesh of the pileus. The 

 reaction for this species is strikingly different and very characteristic. 

 The species has the stature of H. recurvatus, but is at once distinguished 

 by its minute spores. It differs from H. peckianus in lacking a distinctive 

 odor and in having ellipsoid spores. The short basidia are very narrow 

 and flexuose, so that the impression one gets is that they are typical 

 Hygrophorus basidia even though small. The rather tangled turf -like 

 covering of the pileus is quite similar to that found in the H. cantharel- 

 lus series, but the pileus was not observed to become scaly and the 

 iodine reactions of the flesh and hymenium indicate a closer relation- 

 ship to H. peckianus. 



If one were to judge H. schulzeri by Bresadola's ( 1928 ) illustration, 

 the above species might be considered a 4-spored form of it. However, 

 if one refers to Bresadola's description, certain significant differences 

 are apparent. He described his species as "luride cinnamomeus vel 

 brunneo cinnamomeus." These colors at once exclude our specimens 

 and indicate that the colors as reproduced on the plate of H. schulzeri 

 are not accurate. In addition, the gills of H. microsporus are close in- 

 stead of distant, and the stipe is glabrous. 



33 



Hygrophorus albipes Pk. 



Torrey Bot. Club Bull. 25: 323. 1898 



Camarophyllus albipes (Pk.) Murr., North Amer. Flora 9: 388. 1916. 



Pileus about 1.2 cm broad, convex, grayish brown, glabrous, margin 

 strongly decurved. 



Lamellae arcuate and commonly very decurrent, whitish, becoming 

 darker with age, narrow, subdistant. 



Stipe 2.5-3.5 cm long, 3-5 mm thick, white without and within, 

 glabrous, attenuated at the base, solid. 



Spores 5.5-7(8) X 4.5-5.5(6) /x, subglobose or broadly ellipsoid to 

 ovoid, smooth, pale yellowish in Melzer's reagent. Basidia 37-58 X 

 5-7 /a, 4-spored. Pleurocystidia and cheilocystidia none. Gill trama in- 



