North American Flora: Agaricales, Agaricaceae (Vol. 10 ... - MykoWeb

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36 NORTH AMERICAN FLORA [VOLUME 10 46. ARMILLARIA (Fries) Quel. Champ. Jura Vosg. 36. 1872. Agaricus § Armillaria Fries, Syst. Myc. 1: 26. 1821. Armillariella P. Karst. Acta Soc. Faun. Fl. Fenn. 2: 4. 1881. Gyrophila Quel. Ench. Fung. 9. 1886. Mucidula Pat. Hymen. Eur. 95. 1887. Catathelasma I
PART 1, 1914] AGARICACEAE 37 3. Armillaria magnivelaris (Peck) Murrill. Agaricus (Armillaria) ponderosas Peck., Bull. Buffalo Soc. Nat. Set. 1: 42. 1873. Not A. ponderosus Pers. 1801. ' Agaricus magnivelaris Peck, Ann. Rep. N. Y. State Mus. 29: 66. 1878. Armillaria ponderosa Sacc. Syll. Fung. 5: 78. 1887. Pileus thick, compact, convex or subcampanulate, 10-13 cm. broad; surface smooth, white or yellowish, margin naked or clothed with the appendiculate veil, strongly involute; context white; lamellae crowded, narrow, slightly emarginate, white inclining to cream-colored; spores nearly globose, 4/¿; stipe stout, subequal, firm, solid, coated by the veil, concolorous, white and furfuraceous above the annulus, 10-13 cm. long, 2.5 cm. thick; veil slightly viscid, long persistent, at length lacerate, adhering in shreds to the margin and the stipe. TYPE LOCALITY: Copake, New York. HABITAT: On the ground in woods. DISTRIBUTION: New York and New England. 4. Armillaria arenicola Murrill, Mycologia 4: 212. 1912. Pileus firm, fleshy, convex to subplane or slightly depressed, gibbous, gregarious, 12-15 cm. broad; surface dry, smooth, glabrous, white or whitish, cremeous at the center; context coarse, white, tasteless; lamellae adnate, becoming sinuate-adnexed or nearly free, ventricose, plane, close, white, changing to rust-colored when bruised; spores globose, smooth, hyaline, 4-6 p; stipe equal or tapering downward, dry, smooth below, somewhat scaly above the annulus, white tinged with cremeous, 12 cm. long, 3 cm. thick; annulus ample, persistent, membranous, white, attached just above the middle of the stipe. TYPE LOCALITY: Newport, Oregon. HABITAT : In sand-hills among scrubby pines. DISTRIBUTION: Known only from the type locality. 5. Armillaria macrospora Peck, Bull. Torrey Club 27: 610. 1900. Pileus fleshy, fragile, convex, solitary or cespitóse, 5-20 cm. broad; surface glabrous, viscid when moist, shining when dry, white, sometimes brown in the center; context white; lamellae rather narrow, close, decurrent, white; spores oblong or subfusiform, 12-15X6-8/*; stipe short, stout, subequal, white, 2.5-5 cm. long, 1.2-2 cm. thick; annulus thick, white. TYPE LOCALITY: Colorado. HABITAT: Dense spruce woods. DISTRIBUTION : Known only from the type locality. 6. Armillaria ventricosa Peck, Bull. Torrey Club 34: 104. 1907. Lentinus ventricosus Peck, Bull. Torrey Club 23: 414. 1896. Pileus fleshy, convex or nearly plane above, 8-15 cm. broad; surface glabrous, shining, white, margin thin, involute; context white or whitish; lamellae narrow, close, decurrent, sometimes dentate or denticulate on the edges, whitish; spores 10-12X5-6 n; stipe short, thick, ventricose, solid or sometimes hollow through erosion by insects, abruptly narrowed at the base, annulate, white or whitish, 5-10 cm. long, 1.5-2.5 cm. thick. TYPE LOCALITY: Tacoma Park, Washington, D. C. HABITAT: On the ground in pine woods. DISTRIBUTION : Alabama and District of Columbia. 7. Armillaria evanescens (Lovejoy) Murrill. Catathelasma evanescens Lovejoy, Bot. Gaz. 50: 384. 1910. Pileus broadly convex to nearly plane, solitary, 13 cm. broad; surface smooth, damp, white, deep-cream in the center, becoming rich-ocher with a reddish tint when dried, margin entire; context whitish, compact, thick at the center, thinner near the margin; lamellae very decurrent, short ones intermixed with long ones, white, 2-3 cm. wide near the margin of the
Page 1 and 2: VOLUME I O PART I NORTH AMERICAN FL
Page 3 and 4: Family 7. AGARICACEAE* BY WILLIAM A
Page 5 and 6: PART 1, 1914] AGARICACEAE DOUBTFUL
Page 7 and 8: PART 1, 1914] AGARICACEAE • Surfa
Page 9 and 10: PART 1, 1914] AGARICACEAE 7 2. Mela
Page 11 and 12: PART 1, 1914] AGARICACEAE 9 10. Mel
Page 13 and 14: PART 1, 1914] AGARICACEAE 11 adnexe
Page 15 and 16: 14 NORTH AMERICAN FLORA [VOLUME 10
Page 17 and 18: PART 1, 1914] AGARICACEAE 15 39. Me
Page 21 and 22: PART 1, 1914] AGARICACEAE 19 snow-w
Page 23 and 24: PART 1, 1914] AGARICACEAE 21 times
Page 25 and 26: PART 1, 1914] AGARICACEAE 23 3-4 n;
Page 27 and 28: PART 1, 1914] AGARICACEAE 25 greeni
Page 31 and 32: PART 1, 1914] AGARIC ACEAE 29 white
Page 33 and 34: PART 1, 1914] AGARICACEAE 31 avella
Page 35 and 36: PART l, 1914] AGARICACEAE 33 2. Cor
Page 37: PART 1, 1914] AGARICACEAE 35 10. Co
Page 41 and 42: PART l, 19141 AGARICACEAE 39 formin
Page 43 and 44: PART 1, 1914] AGARICACEAE 41 4. Lim
Page 45 and 46: PART 1, 1914] AGARICACEAE 43 Pileus
Page 47 and 48: PART l, 1914] AGARICACEAE 45 1. Lep
Page 49 and 50: PART 1, 1914] AGARICACEAE 47 10. Le
Page 51 and 52: PART 1, 1914] AGARICACEAE 49 stipe
Page 53 and 54: PAST l, 1914] AGARICACEAE 51 29. Le
Page 57 and 58: PART 1, 1914] AGARICACEAE 55 striat
Page 59 and 60: PART 1, 1914] AGARICACEAE 57 Agaric
Page 61 and 62: PART l, 1914] AGARICACEAE 69 uninuc
Page 63 and 64: PART l, 1914] AGARICACEAE 61 resemb
Page 67 and 68: PART 1, 1914] AGARICACEAE 65 patche
Page 69 and 70: PART 1, 1914] AGARICACEAE 67 5. Vag
Page 71 and 72: PART 1, 1914] AGARICACEAE 69 Volva
Page 73 and 74: PART 1, 1914] AGARICACEAE 71 7. Ven
Page 75 and 76: PART 1, 1914] AGARICACEAE 73 15. Ve
Page 77 and 78: PART 1, 1914] AGARICACEAE 75 21. Ve
Page 79 and 80: GENERIC INDEX Armillaria, 46 Lepiot

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