PLANTS OF SOUTHERN NEW JERSEY. 653 



Britton's Catalogue refer to the same colony of plants. Named 

 for Charles Pickering (i 805-1 878), a prominent Philadelphia 

 naturalist, member of the Wilkes Exploring Expedition, and 

 prominent in local botanical work.* 

 PL — Mid- July to late August. 



Pine Barrens. — Pleasant Mills, Batsto, between Atsion and Quaker Bridge, 

 Little Egg Harbor R. (C), three miles above Atsion (Willianison), Chats- 

 worth (H). 



IPOMCEA L-t 



Ipomcea pandurata (L.). Wild Potato. 



Convolvulus panduratus Linnaeus, Sp. PI. 153. 1753 [Virginia]. — Barton Fl. 



Phila. I. 107. 1818. 

 Ipomcea pandurata Knieskern 24. — Willis 48. — Britten 179. 



Open sandy ground or thickets in nearly all, parts of the State, 

 except the Pine Barrens, but nowhere very common. 



Fl. — Early July into October. 



Middle -District.— Ntw Egypt, Florence Heights, Kaighns Pt., Lawnside 

 (S). 

 Pine Barrens. — Newtonville. 

 Cape May.— I mile east Dias Creek (S), Cape May. 



CONVOLVULUS L. 



Convolvulus splthamaeus L. Upright Morning Glory. 



Convolvulus spithamceus Linnseus, Sp. PI. 150. I7S3 [ Virginia] .—Britton 



180. — Keller and Brown 264. 

 Calystegia spithamaa Willis 48. 

 Convolvulus stans Barton, Fl. Phila. I. 158. 1818. 



Sandy ground in the Northern and Middle districts ; local, and 

 at some stations certainly a weed. 



Pi. — Late May to late June. 



Middle District.— Long Branch, Camden (S), Collingswood (S), Rid- 

 dlcton. 



Convolvulus sepium L. Hedge Morning Glory or Bindweed. 



Convolvulus sepium Linnaeus, Sp. PI. IS3- I7S3 [Europe] .—Britton I79- 

 Calystegia sepium Knieskern 24. 

 Middle Z)wfnc<.— Farmingdale, Delair, Washington Park, Mickleton, Salem 



(S), Beaver Dam. 



*Cf. Proc. Am. Acad. Arts and Sci. XHL, 414. 



i Ipomcea lacunosa is entirely an introduced species within our limits. 



