54 LACTARIAE ОЕ THE UNITED STATES 1 
Earle, Hanmer 1826; Pennsylvania, Herést ; * Virginia, 7 50 meters, al 
Murrill 173; Tennessee, 400 meters, Murrill 592; North Caro- 
lina 1066 meters, Burlingham 13, 1907 ; Missouri, Glatfelter 1249. - 
Плозт.: Britz. Lact. f. 9 ; Cooke, Br. Fungi, 77. 976 ; Krombh. 
Abbild. ai 74. f. 17, 18; Lucand, Champ. Fr. ai 166. 
DISTINGUISHING FIELD-MARKS: Тһе broad thick grayish 
pileus, which is depressed in the center, viscid, glabrous, and with- 
out zones; the paler stout stem ; the creamy-white to yellowish 
gills, which become pale-greenish where the latex dries, or some- 
times sordid where bruised ; and the very acrid milk. L. ¢rivialis 
Fr. differs from Г. mucida Burl. in being very much larger, gray- 
ish instead of sepia, and in having yellowish spores. * 
One form of this species may be recognized. It has been | 
described by Peck аз L. trivialis gracilis and differs in its small | : 
size and slender character (pileus 2.5-5 cm. broad, stem equal to 
or larger than the diameter of the pileus). Peck has described оле l 
other variety, maculata but I should hesitate to consider this 2 
form of 2, trivialis, or even a variety in the old sense, because І | 
can find no mention of a zonate characteristic in the European | | 
plant, and I have never found Z. trivialis with any indication of i 
zones. І am inclined to regard this as either a specimen of 2. 
circellata or as an undescribed species. 
27. LACTARIA CIRCELLATA (Fr. Fr. Epicr. 338. 1838. [As 
Lactarius.|— Hennings, in Eng. & Prantl, Nat. Pflan- 
земат. 1'**: 216. 1808 
margin even, inrolled and pruinose at first ; gills white to cream- 
colored, margins ochraceous when bruised, forking near the stem, | 
close, adnate with a decurrent tooth, appearing more decurrent 
with age, up to 5 mm. broad; stem paler than the pileus, equ 
e the cuticle ; spores white, subglobose, slightly есїїпї » 
-5 t X 7-8 p, somewhat ine ; i ing, асп 
7-8 м ewhat hyaline ; latex white, unchanging, ae" 4 
* In the Herbst collection this is labeled Z. turpis (Weinm. ) Fr. 
