68 GEOLOGICAL AND NATURAL HISTORY 



Sub-Gkn. Clitocybe. Fr. 



28. A. nebularis. Batsch. Clouded Clitocybe. On ground in woods. Sept. 



29. A. Adirondackensis. Peck. Smooth Clitocybe. Woods. Aug., Sept. 



30. A. candicans. Fr. Whitish Clitocybe. Woods. Sept. 



31. A. phyllophilus. Fr. Leaf-loving Clitocybe. Woods. Sept. 



32. A. dealbatus. P. Ivory Clitocybe. Woods. July. 



33. A. giganteus. Fr. Giant Clitocybe. Woods. Sept. 



34. A. cyathiformis. Fr. Cup-Shaped Clitocybe. Woods. Aug., Sept. 



35. A. laccatus. Scop. Waxy Clitocybe. Woods. June-Oct. 



36. A. cerussatus. Fr. White lead clitocybe. Larch. May. 



37. A. radio-zonaria. n. sp. Radiated Clitocybe. Ground, wood. June. 



A full description in Bulletin of the Minnesota Academy of Natural Sci- 

 ences for 1876. 



Sub-Gen. Pleurotus. Fr. 



38. A. ostreatus. Jacq. Oyster Pleurotus. Trunks in woods. July. 



39. A. seratinus. Schracl. Yellowish Pleurotus. Larch. May. 



40. A. mastrucatus. Fr. Imbricated Pleurotus. On wood. June. 



41. A. atrocceruleus. Fr. Blue-black Pleurotus. On wood. July. 



42. A. sulfuroides. Peck. Pine logs, <&c. Sept. 



43. A. serotinoides. Peck. Trunks in woods. Nov. 



Sub-Gen. Collybia. Fr. 



44. A. radicatus. Belh. Rooting Collybia. Ground, stumps. July. 



45. A. velutipes. Curt. Velvet-stemmed Collybia. Stumps. May. 



46. A. confluens. P. Confluent Collybia. Woods. July. 



47. A. cirrhatus. Schum. Cirrhate Collybia. June, September. 



48. A. tuberosus. Bull. Tuberous Collybia. Ground, &c. Aug., Oct. 



49. A. acervatus. Fr. Tufted Collybia. Woods. Aug., Oct. 



50. A. xanthopus. Fr. Yellow-stemmed Collybia. Ground. July, Aug. 



51. A. dryophilus. Bull. Wood Collybia. Epiphytal. June to Oct. 



52. A. exsculptus. Fr. Sulphur-gill Collybia. Ground. Sept. 



53. A. plexipes. Fr. Twisted Collybia. On trunks. 



54. A. stipitarius. Fr. Fibrillose Collybia. Epiphytal. July to Aug. 



Sub-Gen. Mycena. Fr. 



55. A. praelongus. Peck. Epiphytal. Swamps. June to July. 



56. A. paluster. Peck. Larch swamps. Sphagnum. June. 



57. A. radius, n. sp. Pale-yellow Mycena. Ground. May. 



See Bulletin of the Minn. Acad, of Natural Sciences. 1876. 



58. A. strobilinus. Pers. Fir-cone. Mycena. Epiphytal. 



59. A. purus. P. Amethyst Mycena. Larch swamps. June to July. 



