PLANTS OF SOUTHERN NEW JERSEY. 361 



Middle District. — Farmingdale (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. — Surf City (L), Barnegat City (L), Beach Haven (L), Spray 

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



Sisyritichium 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. Fi'. — 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 



bb. Flower yellow, leaves scattered on the stem. 



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



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



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



b. 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 

 ee. Lip not fringed. Gymnadeniopsis nivca, p. 366 



