ECOLOGY OF NORTHERN MICHIGAN. 79 



IV. 2, and delta, V. 2, of Carp river. Also about the shore of Carp Lake, V. 1. 

 l& 55. Carex filiformis L. In the cassandra zone, on the mud flats, IV. 2, 

 and delta, V. 2, of Carp river; and in the beaver meadow and on the mud 

 flats on Little Carp river, VII. 2. 



56. Carex crinita Lam. On the banks of Carp creek, VI. 



57. Carex viridula Michx. In the cassandra zone and on the mud flats 

 IV. 2, and delta, V. 2, of Carp river; and in the beaver meadow and on the 

 mud flats of Little Carp river, VII. 2. 



58. 'Carex pubescens Muhl. Along the banks of Carp Creek, VI. 



Araceae Neck. Arum Family. 



59. Spathyema foetida (L.) Raf. Skunk Cabbage. Occasional in the 

 alder thickets along Carp river, IV. 2, and along the banks of Carp Creek, VI. 



Eriocaulaceae Lindl. Pipe wort Family. 



60. Eriocaulon septangulare With. Seven-angled Pipewort. Common on 

 the shores of Carp Lake, V. 1. 



Juncaceae Vent. Rush Family. 



61. Juncus effusus L. Bog Rush. Common on the mud flats, IV. 2, 

 and delta V. 2, of Carp river. Also abundant in the beaver meadow and 

 on the mud flats on Little Carp river, VII. 2. 



62. Juncus tennis Willd. In the beaver meadow and on the mud flats 

 of Little Carp river, VII. 2. 



63. Juncus canadensis J. Gay. Canada Rush. In shallow water about 

 the margin of Carp Lake, V, and Little Carp Lake, VII. 1. 



Convallariaceae Link. Lily-of-the-valley Family. 



64. Clintonia borealis (Ait.) Raf. Yellow Clintonia. A very common 

 form in the hardwood forests, II. 2, IV. 3, VI. 



65. Vdgnera racemosa (L.) Morong. Wild Spikenard. In the hardwood 

 forest, II. 2, IV. 3, VI. 



Iridaceae Lindl. Iris Family. 



66. Iris versicolor L. Larger Blue Flag. On the mud flats and in the 

 cassandra and alder thickets along Carp river, IV. 2; also in the beaver 

 meadow on Little Carp river, VII. 2, and in the arbor vitae swamps, II. 1. 



Orchidaceae Orchid Family. 



67. Gyrostachys cernua (L.) Kuntze. Nodding Ladies Tresses. On the 

 shores of Carji Lake, V. 1 ; on the delta, V. 2, and occasionally in the cassandra 

 zones on Carp river, IV. 2. Also in the beaver meadow on Little Carp river 

 VII. 2. 



68. Peramium pubescens (Willd.) Mac M. Downy Rattlesnake Plantain. 

 Generally distributed through the hardwood forest, II. 2, IV. 3, VI; also 

 occurring in the tamarack swamp, IV. 4. 



Salicaceae Lindl. Willow Family. 



69. Populus grandidentata Michx. Large-toothed Aspen. In the hard- 

 wood forest bordering the beach of Lake Superior, I, the clearing, II. 2, and 



