No. 17] FLOWERING PLANTS AND FERNS 227 
Bartonia verna (Michx.) (Centaurella verna Michx.) Vernal 
Bartonia. 
Low wet pine barrens under low bushes. South Missis- 
sippi (Mohr). February. 
LIMNANTHEMUM 5S. G: Gmel. 
Limnanthemum lacunosum (Vent.) Griseb. (Villarsia cordata 
Ell.) Pitted Floating Heart. 
Ponds in the lower pine barrens (Mohr). March-April. 
APOCYNACEAE. Dogbane Family. 
AMSONIA Walt. 
Amsonia amsonia (L.) Britt. (Amsonia Tabernaemontana 
Walt.) 
Rich, shady limestone slopes. Tishomingo Co.; Okolona; 
Ripley: Columbus. April. 
Geol. Surv. Herb. Allison Herb. 
APOCYNUM UL. 
Apocynum, cannabinum L. Indian Hemp. 
Damp open places, often along railroad tracks. Ripley; 
Oxford: Jackson. June. 
Geol. Surv. Herb. 
TRACHELOSPERMUM Lemair. 
Trachelospermum difforme (Walt.) Gray (KHchites difformis 
Walt.) Climbing Dogbane. 
Damp slopes and alluvial lands, climbing over bushes. La- 
fayette Co.; Leake Co. (Hilg. Ms.); Canton; Hattiesburg. 
June-July. 
Geol. Surv. Herb. 
VINCA L. 
Vinca minor L. Periwinkle. 
Introduced, but growing wild about old gardens, fences 
and graveyards. All spring and summer. Oxford; Carroll- 
ton; Jackson. 
Geol. Surv. Herb. 
