K 



390 FLOWERS OF FIELD, HILL,, AND SWAMP 



78, Menzies' Rattlesnake Plantain 



P. Mciiziesii is stouter stemmed than the last, with leaves 

 less strongly veined with white or not at all. Flowers in 

 spikes. Lip not sac-shaped, but much swollen at base, pro- 

 longed into a point at apex. 8 to 15 inches high. 



Found in August from New Hampshire and New York across 

 the continent. 



79. Lesser Rattlesnake Plantain 



P. repens is a species found in woods, especially under ever- 

 greens ; lower and more slender than the last, with leaves not 

 so stronglv veined with white as in P. pitbescens, short petioled, 

 ovate, pointed, advancing up somewhat on the stem on one 

 side. Flowers in a one-sided spike, small, greenish white, the 

 lip pocket-shaped and curving backward at the apex. July 

 and August. Same range as P. puhcscens. 5 to 10 ins. high. 



80. Nodding Pogonia 



Pogonia trianthophora or pendu/a. — PamiVj; Ovch'id. Col- 

 or, pink or pale purple. Leaves, several, very small, ovate, 

 pointed, sessile, clasping the stem. Time, late summer. 



In this small orchid the 3 or 4 upper leaves stand under 

 bright flowers hanging and nodding on long, slender pedicels. 

 Sepals ?L\\d peia/s, partly united. Lip, raised on a claw, about 

 3-lobed. Flowers, \ inch long. Plant 3 to 8 inches high. 



Not common, with range from Rhode Island to Florida and 

 westward. 



81. W^horled Pogonia 



P. Terticillata is a still rarer species, having a whorl of ses- 

 sile, pointed leaves, 5 in number, under the Hower, terminating 

 the stem, which is 10 to 12 inches high. Scales at base of 

 scape, otherwise no leaves. Sepals, 2 inches long, thread-like. 



