230 MICHIGAN SURVEY, 1908. 



57. Leucobryum glaucuni (L) Schimp. Grows in heads of varying 

 size, principally in woods. I, 3; V, 4. 



58. Tortella tortuosa (L) Limpr. Eock ridges, and other rocky 

 places. Grows in dense rounded tufts. II, 3. 



59. Vlota amerioana (Beauv.) Lindb. Growing on gently sloping- 

 rock shore, sometimes covering crustaceous and foliose lichen patches. 

 I, 1;Y, 2. 



60. Bartrmnia pomiformis (L) Hedw. Shady, moist niches and 

 crevices in rock cliffs. A beautiful moss having the appearance of green 

 wool. I, 1; V, 4. 



61. Bryum palleus Swartz. On dead wood, and on thinly covered 

 rock surfaces in woods, V, 4. 



62. Aulocomium palustre (L) Schwaegr. Near bog at end of cabin 

 trail Siskowit Bay. V, 5. 



63. Mnium punctatum Hedw. Moist woods along Benson Brook; 

 also in moist places along Siskowit cabin trail through woods. II, 1; 

 V, 4. 



64. Leshea nervosa {^Qhwsd&g.) . Myr. Closely associated with Z7to*ffl 

 americanu on the sloping rock shore where it sometimes covers patches 

 of crustaceous and foliose lichens. I, 1; V, 2. 



65. Thmdium ahietinum (L) B. & S. Growing on fine material that 

 has accumulated among the, close branches of the low Procumbent 

 Juniper. It was noted on one. of the small rock islands in Rock Harbor 

 which had little if any vegetation besides the crevices plants. It here 

 plays an important part in the early formation of a humus soil by 

 solidly filling in the spaces between the Juniper branches. I, 1. 



66. Hypnuni crista-castrensis L. On decayed wood in cool moist 

 woods near peat bog. V, 4, 5. 



67. Hypnum schreberi Willd. Rich, moist woods along forest road 

 Washington Harbor; also noted growing in Cladonia patches in woods 

 along Siskowit cabin trail. It seems to be replacing and succeeding the 

 Cladonias in places. V, 4; I, 3. 



68. Hypnmn scorpoides L. Bog margin of Forbes Lake. II, 5. 



69. Hypmum vernicosum Lindb. Bog beyond Malone's fishing camp. 

 Back from V, 2. 



70. Hypnum polare Lindb. Protected rock crevices. Rock Harbor. 

 I, 1. 



71. Hypnum flidtans L. Eock pools Scovill Point. IV, 1. 



72. Hypnum stramineum Dicks. Bog beyond Malone's fishiug camp. 

 Back from V, 2. 



73. Hypnum, aduncum Sch. Bog at end of Siskowit Bay cabin trail. 

 V, 0. 



74. Hypnum aduncum, intermedium. Sch. Growing in .water in mar- 

 gin of a brook emptying into Forbes Lake, II, 5. 



75. Hypnum. uncinatum Hedw. formaplumosa Sch. Moist woods 

 along trail to Monument Eock. IV, 4. 



76. Hylocomium triquetum (L) B. & S. Woods along Siskowit cabiu 

 trail. V, 4. Fairly common. 



77. Hylocomium, splendens. Woods along forest road from Washing- 

 ton Harbor to Lake Desor, III, '04. 



78. Distichium capillaceum. From a partly protected vertical rock 

 crevice 6-8 feet above water, Eock Harbor. I, 1. 



