388 FLOWERS OF FIELD, HILL,^ AND SWAMP 



75. Broad-lipped Twayblade 



Z. convallarioides rises from a cluster of fibrous roots 4 to 

 ID inches high, with 2 broad, roundish leaves near the centre 

 of the scape, i or 2 small scales near the base. Flowers 

 greenish yellow, on thread-like pedicels attended by a tiny bract, 

 in loose racemes, 3 to 12 in a spike. Lip much longer than 

 the sepals and petals, double-lobed at the apex, generally with 

 2 sharp ear-like projections at the base. Time, summer. 



From Vermont southward to North Carolina ; found in the 

 Southern States among the mountains. 



76. Southern Twayblade 



L. aitstralis bears very small greenish-yellow flowers with 

 purple stripes. The narrow lip is \ inch long, slit nearly 

 its entire length. Leaves ovate, sessile, a pair attached just 

 above the middle of the scape. Rarely a third leaf occurs 

 near the raceme of flowers. Scape 4 to 10 inches high. 



In wet woods or bogs from New York to Florida. 



v^ 77. Downy Rattlesnake Plantain 



Peramium or Goodyera pubescens. — Family, Orchid. Color, 

 greenish white. Leaves, several, clustered at the root, ovate, 

 softly downy, conspicuously veined with white. Time, July, 

 August. 



These flowers are small, about \ inch long, with free side 

 sepals, and the upper sepal with the petals united into a hel- 

 met-shaped form. Lip, pocket or sac shaped. Flowers in a 

 terminal spike on a scape 6 to 20 inches high bearing several 

 scales. 



A pretty and common plant of the woods, known at once by 

 the pretty rosettes of white-veined leaves at the base. Whole 

 plant soft-downy. Range, over the Atlantic seaboard and west- 

 ward to Tennessee. 



