PLANTS OF SOUTHERN. NEW JERSEY. 361 



Middle District.— Farmingdalt (S), Pt. Pleasant, New Egypt, Pemberton 

 (NY), Lindenwold, Washington Park, Glassboro, Yorktown, Buckshutem. 



Pine Barrens— Allaire (S), Bayhead, Forked River, Bamber, Manahawkin, 

 West Creek, Browns Mills, Albion, Landisville, Bear Swamp, Williamstown 

 Jnc, Cedar Lake, Egg Harbor City, Tuckahoe. 



Coast Strip.— Suri City (L), Barnegat City (L), Beach Haven (L), Spray 

 Beach (L), Beach Haven Terrace (L), Avalon. 



Sisyrinchium arenicola Bicknell. Sand Blue-eyed Grass. 



Sisyrinchium arenicola Bicknell, Torrey Club Bull. 26. Sept. 1899. 496 

 [Coast of Long Island and New Jersey]. 



Middle district, not very abundant. 



Fl. — Late May to late June. Fr. — Mid-June to mid-July. 



Middle District.— Red Bank (NY), New Egypt, Birmingham, Asbury 

 Park, Clementon, Millville, Yorktown. 



Order ORCHIDALES. 



Family ORCHIDACE^. Orchids. 



Perennial herbs with tuberous roots or bulbs. Flowers curi- 

 ously irregular, composed of six segments, the three outer 

 (sepals) similar to one another, the lateral inner ones (petals) 

 similar, but the middle one developed into a lip, usually larger 

 than the others, fringed or spurred. Stamens often united with 

 the style, pollen in several stalked masses; stigma, a viscid sur- 

 face opposite the lip. 



Includes many of our most interesting and curious plants. 

 Well represented in the bogs of the Pine Barrens. 



Key to the Species. 



a. Anthers 2; lip forming a large inflated sack. 



b. Flower purple, leaves at base. Cypripedium acaule, p. 363 



66. Flower yellow, leaves scattered on the stem. 



c. Lip 30-50 mm. long. C. pubescens, p. 364 



cc. Lip 25-30 mm. long. C. parvHiorum, p. 364 



aa. Anther i ; lip not inflated into a sack. 



6. Flowers with a distinct slender spur, arranged a spike. 

 c. Leaves present at flowering time.' 

 d. Flowers white. 



e. Lip with long fringe. Blephariglottis blephariglotiis . p. 367 

 es. Lip not fringed. Gymnadeniopsis nivea, p. 366 



