177 



Fig. 159. Trisetum palustre (Michx.) Torr. Marsh Oat- 

 grass. — A slender, loosely tufted perennial 6 to 9 dm. high, with 

 flat, soft leaves and loosely flowered, nodding, and yellowish green 

 panicles. — On moist rocks, along brooks, in wet meadows, etc., 

 Massachusetts to Illinois, south to Florida and Louisiana; British 

 Columbia. April-June. 

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