PLANfTS OP SOUTHERN NEW JERSEY. 703 



MITCHELLA L. 

 Mitchella repens L. Partridge Berry, Twin Berry, 

 PI. LXI, Fig. 2. 

 Mitchella repens Linnasus, Sp. PL III. 17S3 [Carolina, Virginia and Mary- 

 land] .—Barton, Fl. Phila. I. 85. 1818.— Knieskern 17.— Britton 125. 



Frequent in woods throughout the State, except in the Pine 

 Barrens, where it occurs rarely along the larger streams as an 

 intrusion from the coast. The twin flowers with united ovaries, 

 and the double red berry, are unique among our plants. 



Fl. — Late May to late June. Pr. — Autumn, persisting over 

 winter, often into the spring. 



Middle District. — Farmingdale, New Egypt, Birmingham, Medford (S), 

 Oaklyn (S), Sicklerville, Swedesboro, Yorktown, Dividing Creek. 



Pine Barrens. — Hammonton (Bassett), Weymouth, Pleasant Mills. 



Coast Strip.— Forked River, Cox's, Surf City (L), Atlantic City (S), 

 Ocean City (S), Piermont (S), Wildwood (UP). 



Cape May.— Cold Spring, Cape May Pt. (S). 



DIODIA L. 



Diodia teres Walt. Rough Buttonweed. 



Diodia teres Walter, Fl. Car. 87. 1788 [Carolina].— Knieskern 17.— Brit- 

 ton 125. 



Sandy open ground; frequent throughout the IVLiddle, Coast 

 and Cape May districts and occasional in the Pine Barrens. 



To the north it extends up the Delaware to Warren County, 

 and also to Passaic and Plainfield. Everywhere more or less of 

 a weed. 



F/.— iMid-July to late September. fT.— Mid-August to late 



October. 



Middle District.— 'New Egypt, Florence Heights, Camden, Medford (S), 

 Gloucester, Washington Park (S), Fairton (S). 



Pine Barrens.— hucaston Jnc. (S), Landisville (T), Quaker Bridge (S), 

 Egg Harbor City. 



Coast Strip.— BarnegAt City (L), N. Beach Haven (L), Tucker's (L), At- 

 lantic City (S), Ocean City (S). 



Cape May. — Cold Spring (S). 



Diodia virginiana L. Larger Buttonweed. 



Diodia virginiana LinnEeus, Sp. PI. 104. I7S3 [Virginia] .—Willis 29.— 

 Britton 125. — Keller and Brown 299. 



