40 NORTH AMERICAN FLORA [Volume 10 



Illustrations : Ann. Rep. N. Y. State Mus. 48: pi. 20; Barla, Champ. Nice pi. 21, 22; Bull. 

 Herb. Fr. pi. 377, 543; Fries, Sv. Aetl. Svamp. pi 36; Mcllv. Am. Fungi pi. 16, f. 1; Mycologia 1: 

 pi. 1, f. 2; Sow. Engl. Fungi pi. 101; Vitt. Descr. Funghi Mang. pi. 3; Gill. Champ. Fr. pi. 54 {36); 

 Cooke, Brit. Fungi pi. 32 {56). 



Exsiccati: Clements, Crypt. Form. Colo. 173; Allesch. & Schn. Fungi Bavar. 58, 60; Rav. 

 Fungi Car. 2: 1; Rav. Fungi Am. 407; Desmaz. PI. Crypt. 1647; Herpell, Prap. Hutpilze 4; Karst. 

 Finl. Fungi 206; Briosi & Cav. Fung. Par. 166; Sydow, Myc. Mar. 2, 1408; Thtim. Fungi Austr. 903; 

 Roum. Fungi Gall. 4003; Rab.-Wint. Fungi Eur. 1201; Ellis & Ev. N. Am. Fungi 3201; Shear, N. Y. 

 Fungi 102; D. Sacc. Myc. Ital. 201. 



47. LIMACELLA Earle, Bull. N. Y. Bot. Gard. 5: 447. 1909. 



Pileus soft, fleshy, putrescent, decidedly viscid, solitary or gregarious; lamellae free; 

 spores hyaline ; veil usually forming an annulus ; stipe central, slender, fleshy. 

 Type species, Agaricus delicatus Fries. 



1. L. agricola. 



2. L. albissima. 



Pileus white or pale-yellowish. 



Pileus 1-3 cm. broad, pure-white. 

 Stipe 2.5 cm. long. 

 Stipe 5-7 cm. long. 

 Pileus 3-8 cm. broad. 



Spores 4-5 ju, long. 3. L. illinita. 



Spores 9-1 1 /x long. ^ 4. L. benlista. 



Pileus white, fulvous to brownish on the disk. 5. L. fulvodisca. 



Pileus cream-colored with rosy tints. 



Pileus 3-4 cm. broad; stipe 4-6 cm. long. 6. L. McMurphyi. 



Pileus 6 cm. broad; stipe 5-10 cm. long. 7. L. roseicremea. 



Pileus isabelline to tawny or brownish. 



Pileus 3-4 cm. broad. 8. L. glischra. 



Pileus 5-7.5 cm. broad. 9. L. oblita. 



1. Limacella agricola Murrill, Mycologia 3 : 81. 1911. 



Pileus convex, regular, rather firm for the genus, 2.5 cm. broad; surface smooth, glabrous, 

 slimy, white, with incurved, striate margin; lamellae free, white, broad, unequal; spores sub- 

 globose, smooth, pure-hyaline, often uninucleate, 4-5 m long; stipe cylindric, even, white, 

 glabrous, shining, slightly bulbous at the base, 2.5 cm. long, 2 mm. thick; annulus superior, 

 slight, evanescent. 



Type locality: Constant Spring Hotel, near Kingston, Jamaica. 



Habitat: On a lawn. 



Distribution: Known only from the type locality. 



2. Limacella albissima Murrill. 



Lepiota Candida Morgan, Jour. Myc. 12: 202. 1906. Not L. Candida Copeland. 1905. 



Pileus fleshy, ovoid to convex and expanded, subumbonate, 1-3 cm. broad; surface 

 radiate-fibrillose, smooth, pure-white, covered by a very thin viscous epidermal layer, at first 

 continuous, but with the growth of the pileus drawn apart and left as minute scales upon the 

 surface ; context thin, white ; lamellae narrow, close, free and rather remote, pure- white ; spores 

 oblong-ellipsoid, obliquely apiculate, 5-7 X 3-4 /x ; stipe long, tapering upward from the clavate 

 base, fistulose, silky-fibrillose or quite smooth, pure-white, 5-7 cm. long, 5-6 mm. thick at the 

 base, tapering to 2-3 mm. at the apex; annulus thin, membranous, persistent. 



Type locality: Preston, Ohio. 



Habitat: On the ground among old leaves in woods. 



Distribution: Known only from the type locality. 



3. Limacella illinita (Fries) Murrill. 



Agaricus illinitus Fries, Obs. Myc. 2: 8, 1818. 

 Lepiota illinita Quel. Champ. Jura Vosg. 326. 1873. 



Pileus rather thin, soft, ovoid to campanulate or expanded, subumbonate, 2.5-6 cm. 



broad ; surface smooth, white or whitish, very viscid or glutinous, striate or at times smooth on 



the margin; context white, soft, odor farinaceous; lamellae free, crowded, white; spores globose 



or subglobose, smooth, hyaline, 4-5 X 3.5-4 /*; stipe equal or slightly tapering upward, viscid, 



white, stuffed or hollow, 5-9 cm. long, 4^6 mm. thick; annulus a cushion of fibrils usually covered 



with slime. 



Type locality: Sweden. 



Habitat: Grassy woods and fields. 



Distribution: Northern United States; also in Europe. 



Illustrations: Fries, Ic. Hymen, pi. 16; Pat. Tab. Fung. /. 609; Gill. Champ. Fr. pi. 425. 



