3529 Peplus diandra Nutt. ex DC. 27 July 1976. CHATHAM Co., NC. Old logging rd. and adjacent farm pond; 1.7 mi. s of the Durham-Chatham Co. line, then east approx. mi. to 2nd farm pond. v 3530 Lygodium palmatum (Bernh.) Swartz. v 3531 Lycopodium appusum (Chapm.) Lloyd & Underw. v 3532 Mimulus ringens L. v 3533 Xyris torta Smith v 3534 Symplocos tinctoria (L.) L'Her. v 3535 Leucothoe racemosa (L.) Gray v 3536 Gaylussacia frondosa (L.) T. & G. v 3537 Lobelia nuttallii R. & S. v 3538 Rhynia mariana L. var. purpurea Michx. v 3539 Uniola laxa (L.) BSP. 1 AUGUST 1976. DURHAM Co., NC. Wet depression; 3.5 mi. east of the Orange- Durham Co. line on NC route 5H. v 3540 Carex goosii Bailey v CN 3541 Polygonum hydropiperoides Michx. var. v 3542 Ludwigia glandulosa Walt.< opelousanum (Ridell ex Small) Stone 1 AUGUST 1976. CHATHAM Co., NC. Pond;