LACTARIAE ОЕ THE UNITED STATES 
at the extreme base, stuffed, 
becoming hollow, stout, 5 
ong, up 
thick ; flesh whitish, staining 
yellow-cadmium where cut, 
odor none; spores yellow- 
ish, broadly elliptical, echi- 
nulate, 7 и x 8-8.5 м; la- 
tex white, scanty, slowly 
becoming yellow-cadmium, 
and staining the gills and 
flesh, acrid. (FIGURE 3.) 
Has.: In oak and chest- 
nut woods, growing from 
vegetable mold and dead 
leaves. August and Sep- 
tember. 
DISTRIB. : North Caro- 
lina, 1000 meters eleva- 
tion, Burlingham 48, 1907 
(type); Virginia, Murrill. 
DISTINGUISHING FIELD- 
MARKS: The beautiful 
orange-cadmium color of 
the viscid pileus and stem, 
and the paler, rather distant 
gills, which become yellow- 
cadmium where wounded. 
The zones are sometimes 
very distinct, but more often 
obscure, especially in old 
age. Тһе latex is scanty 
and the change in color is 
detected mostly by the 
change in the color of the 
wounded gills and flesh. 
The wounds never become 
greenish as in Lactaria de- 
lictosa. The much deeper 
color of the plant, the more 
| 
39 
72, 1907. 
No. 
Lactaria delicata Burl. 
FIGURE 4. 
