, fleshy, campanulate when young, become convex to plano-convex with age, with a low umbo at disc, find more white to whitish, covered with yellow brownish to brownish granular squamules, which become KU55933 purchase minute and sparse toward margin; disc smooth, yellow brown to brown; margin down-reflexed, appendiculate, sometimes inconspicuously short striate. Lamellae free, crowded, with short lamellulae, white when young, white to cream colored when mature, off white to cream when dried, at times hay colored after years of deposit. Stipe white to whitish,
subcylindrical, 7–24 × 0.8–2.5 cm, attenuating upwards, with minute farinose granules; base slightly enlarged; hollow. Annulus ascending, simple, whitish, membranous. Context whitish, sometimes MK-8931 becoming orange at the base of the stipe when cut. Taste mild. Fig. 3 Macrolepiota dolichaula (HKAS 43813, Basidiomata from HKAS 38718) a. Basidiomata; b. Squamules on pileus; c. Basidiospores; d. Basidia;
e. Cheilocystidia Basidiospores (Fig. 3c) [69/3/3] (10.0) 12.5–16.0 × (6.5) 8.0–10.5 (12.0) μm (x = 13.95 ± 1.23 × 9.26 ± 0.99 μm), Q = (1.29) 1.30–1.67 (1.94), avQ = 1.51 ± 0.13, ovoid to ellipsoid in side view, ellipsoid in front view, thick-walled (about 0.5 μm), smooth, hyaline, dextrinoid, congophilous, metachromatic in cresyl blue, with a germ pore caused by an interruption in the episporium on the rounded apex, covered with a hyalinous cap in KOH; apiculus 1–1.5 μm long. Basidia (Fig. 3d) 28–33 × 12–16 μm, clavate, thin-walled, hyaline, 4-spored; sterigmata up to 4.5 μm long. Cheilocystidia (Fig. 3e) 20–33 × 11–15 μm, clavate to broadly clavate, hyaline, thin-walled. Pleurocystidia absent. Squamules on pileus (Fig. 3b) a palisade of short, frequently branched, subcylindric, clampless hyphae with terminal elements subcylindric to subfusiform, 6–15 μm in diam., hyaline or with yellowish vacuolar pigment, thin-walled Bcl-w to slightly thick-walled. Clamp connections common at the base of basidia and cheilocystidia, but rare elsewhere. Habitat and known distribution in China: Terrestrial and saprophytic, solitary to scattered on the ground in mixed forests or on road sides. Distributed in southern and southwestern China. Materials examined: Fujian
Province: Fuzhou City, Apr. 1934, S. Q. Deng 2473 (BPI 752291). Guangdong Province: Yangchun County, alt. 400 m, 19 May 1987, Z. S. Bi 11703 (GDGM 11703); Nan’ao County, Huanghua Mt., alt. 150–200 m, 12 Sept. 1986, Z. S. Bi and G. Y. Zheng 10789 (GDGM 10789); Boluo County, Luofu Mt., alt. 140 m, G. Li 11957 (GDGM 11957, as M. procera in Bi et al. 1994). Hainan Province: Ledong County, Jianfenglin, alt. 201 m, 4 Aug. 1999, P. Q. Sun 4277 [HKAS 34692, as M. rhacodes (Vittad.) Singer, synonym of Chlorophyllum rachodres (Vittad.) Vellinga, in Yuan and Sun 2007]; Ledong County, Fanyangang, 11 June 1936, X. X. Liu 28414 (HMAS 24977); Ledong County, 12 June1936, X. X. Liu 28415 [HMAS 22675 (M)]; Yeda Tropical Crops Research Institute, 26 May 1960, J. H. Yu and R.