97 



as well as the cap. The specific name rotundisporus is given 



on account of the subspherical spores. 



Pileus ad 3'5 cm. latus, paulo viscidus, convexus, paulo 

 umbonatus, margine initio paulo involuto, pallido-flavus 

 et glauco-violaceus coloratus. Lamellae adnate et minime 

 sinuatae, subventricosae, paulo confertae, fusco-carneae, 

 deinde flavo-ochraceae. Stipes ad 6 cm. altus, sursum 

 attenuatus, paulo bulbosus, minime striatus, albidus et 

 ad pileum similiter coloratus. Velum initio coeruleus. 

 Caro pallida. Sporae glabrae, subsphericae, 6'8-7'4 x 

 5'5-6 11. 



14. Cortinarius (Myxacium) archeri, Berk. : Fl. Tas., t. 

 181, f. 7; Sacc. : Syll.,3763; Cooke: No. 361.— This species, 

 recorded for Tasmania, is not rare in the Sydney district. 

 Our description is as follows : — Pileus 2 to 5 inches in 

 diameter, convex, then sometimes slightly depressed, intensely 

 glutinous, rich brownish-violet, later becoming dry and shin- 

 ing and tan-brown with a deep violet streaky edge or light 

 to dark chestnut only, edge turned in when young. Gills 

 adnate or with a very slight sinus, or with a decurrent tooth, 

 moderately close, pallid earthy with a violet tinge, then 

 cinnamon or snuff -brown. Stem up to 3 or 4 inches high, 

 glutinous, base bulbous and up to more than 1 inch thick, 

 attenuating upwards to f inch thick, conical below the bulb 

 and ending in mycelial threads, hollow, pallid with a marked 

 violet tint below the fugacious ring. Ring sometimes marked 

 and persistent. Veil cobwebby, reddish -brown. Spores yellow- 

 brown, ends rather pointed, rather elongated, very finely 

 rough, 12 to 14'5 x 7 to 7'5 jul. 



Hawkesbury River, June, 1912; locality not stated; 

 Neutral Bay, Sydney, April, May, and June; Gladesville, 

 Sydney (M. Flockton), May, 1910; Cheltenham, Sydney (A. 

 A. Hamilton), May, 1910; Penshurst, Sydney, June, 1907. 



Colour tints noted: — Edge of pileus when half -grown 

 tinted with lavender-blue (violet-blue), No. 204, Tons 1 to 3 ; 

 later the peripheral third of the pileus raw umber, No. 301, 

 and the centre near brown-pink, No. 297, Ton 1. Lamellae 

 when mature near snuff -brown (deep bistre), No. 303, Ton 2, 

 with a slight lavender tint. Stem when very young lavender- 

 blue (violet-blue), No. 204, Ton 4. Spore mass brown-pink, 

 No. 297, Ton 4. 



15. Cortinarius (Myx.) vibratilis, Fries.: Monogr., ii., 

 p. 43; Cooke: Illustrs., pi. 744; Massee : Brit. Fung. Flora, 

 ii., p. 92. — We give the following description of the speci- 

 mens we thus refer: — Pileus up to 1J inch in diameter, 

 glutinous, convex then plane, subgibbous in one collection, 



E 



