Part 4

The Snowy Dogwood Blossoms, from the Hills of Mosholu, New York* 158

1. Indian Pipes (Monotropa uniflora); 2. Pine-Sap (Monotropa Hypopitys) 164

The Snow-Plant of the Sierra Nevada Mountains (Sarcodes sanguinea)* 166

Motherless Baby Whippoorwills* 176

A Colony of the Small Yellow Fragrant Moccasin-Flower (Cypripedium parviflorum) in the Glen of Comus, District Fourteen, Pownal, Vermont* 178 Colored

The Mountain Laurel (Kalmia latifolia) 184

The Gregor Rocks, Hoosac Valley, from Pownal Centre Road, Vermont* 188

The Pot-Hole of Wash-Tub Brook, Pownal, Vermont, Showing the Stream Whirling through its Basin 190

An Ancient Pot-Hole, Showing an Erstwhile Revolving Stone, Located on the Granite Ridge, near the Wolf’s Den, Bronx Park, New York City* 194

The Bluebells of New England (Campanula rotundifolia)* 196

Three Rare Ferns from Gregor Rocks and Wash-Tub Brook Region, Pownal, Vermont: 1. Rue-in-the-Wall Spleenwort (Asplenium Ruta-muraria); 2. Purple-Stemmed Cliff-Brake (Pellæa atropurpurea); 3. Walking Fern (Camptosorus rhizophyllus)* 198

The Rocking Boulder, Located on the Granite Ridge near the Bear’s Den, in the Zoölogical Garden, Bronx Park, New York City 200 A pressure of fifty pounds causes this boulder to move about two inches. From photograph by George Stonebridge.

The Red Wood Lily (Lilium Philadelphicum) 210

The Cascade of Notch Brook, at the Base of Mount Greylock’s Brotherhood, North Adams, Massachusetts 212

Notch Valley and the Bellows-Pipe, North Adams, Massachusetts. Mount Greylock towers up on the right, and the Ragged Mountains on the left hand 218

The Marble Arch of the Natural Bridge, North Adams, Massachusetts 228

The Star-Blossoms of the Grass of Parnassus (Parnassia Caroliniana), and the Ladies’ Tresses 234

The Hoosac River, Pownal, Vermont* 238

The Fragrant White Moccasin-Flower (Cypripedium Montanum) 242 Colored

The Showy Moccasin-Flower (Cypripedium reginæ)* 244 This is the most gorgeous Cypripedium in the world, and without doubt one of the most ancient types of the genus. Colored

The Pink Moccasin-Flower—the Stemless Lady’s Slipper (Cypripedium acaule)* 246 Showing the structure of the pendulous and bi-lobed labellum, and the processes of the sepals and petals. Colored

The Showy Orchis (Orchis spectabilis)* 248 The first orchid of the season, showing the hooded fold above the orifice of the spur, and the processes of the flowers on the bracted scape. Colored

A Group of Three Species of Genus Habenaria: 1. The Tall Northern Green Orchis (Habenaria hyperborea); 2. The Tall Northern White Orchis (Habenaria dilatata); 3. The Large Round-Leaved Orchis (Habenaria orbiculata)* 250 Colored

The Spikes of Habenaria (Habenaria Andrewseii and Habenaria psycodes) 252

The Small Bog Orchis (Habenaria clavellata) 254

Andrews’ Rose-Purple Orchis (Habenaria Andrewseii) 258

The Beautiful Arethusa (Arethusa bulbosa) 262 Showing the structural parts of the flower, the single leaf, and bulbous root. Colored

The Hooded Ladies’ Tresses (Gyrostachys Romanzoffiana) 264