490 LACTABIUS 



white, then grey, slowly acrid. Spores white, globose, 7-8 ju, echinulate. 

 Cystidia "sparse, subulate, 60-70 x 10-12/i" Rick. Smell somewhat 

 pungent, taste slightly acrid. Woods. Sept. Oct. Not uncommon. 

 (v.v.) 



1602. L. cyathula Fr. (= Lactarius cupularis (Bull.) Quel.) Cke. 

 Illus. no. 952, t. 1009, fig. B, and no. 953, t. 1085. 



icvaOo?, a cup. 



P. 1-6 cm., rufescent brick, or flesh colour, somewhat zoned, when dry 

 becoming pale, livid or flesh colour, hoary tan, rimoso-rivulose, convexo- 

 plane, umbonate, at length piano-depressed, umbo often vanishing, 

 slightly viscid, sometimes striate. St. 5 cm. x 2-10 mm., pale, at 

 length whitish, equal, pruinose. Gills white flesh colour, then yellowish, 

 decurrent, very crowded, thin, linear. Flesh white flesh colour. Milk 

 white, acrid. Spores pale ochraceous, globose, 6-10/A, echinulate. 

 Cystidia "very sparse, subulate" Rick. Smell strong of bugs when 

 drying. Woods. Aug. Nov. Rare. 



**Pileus unpolished, squamulose, villose, or pruinose. 



1603. L. rufus (Scop.) Fr. Cke. Illus. no. 954, t. 985. Rufus, red. 

 P. 5-10 cm., bay-brown-rufous, umbonate when young, soon de- 

 pressed with an umbo, and at length infundibuliform, dry, at first 

 flocculoso- silky, but soon polished; margin involute when young, some- 

 what whitish-tomentose. St. 5-8 x 1 cm., rufescent, paler than the pileus, 

 white pubescent at base, obsoletely pruinate. Gills ochraceous, or pallid, 

 then rufescent, adnato-decurrent, crowded, scarcely branched. Flesh 

 pallid, not compact. Milk white, very acrid. Spores white, broadly 

 elliptical, 9-10 x 7-8 /x, verrucose. Cystidia abundant, "lanceolate- 

 fusiform, 60-70 x 7-10/t" Rick. Taste very acrid. Coniferous woods. 

 June Dec. Common, (v.v.} 



var. exumbonatus Boud. Boud. Icon. t. 52. 



Exumbonatus, without an umbo. 



Differs from the type in the absence of an umbo. Coniferous woods. 

 Sept Oct. Not uncommon, (v.v.) 



1604. L. helvus Fr. Cke. Illus. no. 955, t. 994. Helvus, light bay. 

 P. 5-10 cm., pale yellowish-brick-colour, becoming pale, fragile, con- 

 vex, then flattened, somewhat umbonate, the surface wholly broken up 

 into gr anuloso- squamulose flocci. St. 5-8 x 11-5 cm., brick colour in- 

 clining to pale, equal, pruinose, base white, tomentose. Gills whitish, 

 then somewhat flesh colour, at length yellowish, decurrent, thin, crowded. 

 Flesh concolorous but paler. Milk white, mild, then slightly acrid, 

 somewhat watery. Spores pale ochraceous, globose, 7-8/u,, echinulate. 

 Cystidia "cylindrical-rounded, 50-70 x 9-12/z" Rick. Smell strong, 



