no. 17] FLOWERING PLANTS AND FERNS 215 
Damp woodlands. Madison Co. (Hilg. Ms.); Pontotoc. 
July. 
Geol. Surv. Herb. 
SPERMOLEPIS Raf. 
Spermolepis divaricatus ( Walt.) Britton (Daucus divaricatus 
Walt.). Spreading Spermolepis. 
Sandy soil in the southern pine belt to the coast. Ocean 
Springs (Tracy). May. 
Spermolepis echinatus (Nutt.) Britton (Leptolepis echinatus 
Nutt.). 
Southern pine region to the coast. Cat Island (Tracy). 
May. 
PTILIMNIUM Raf. 
Ptilimnium capillaceum (Michx.) Raf. (Discopleura capillacea 
DC.) Mock Bishop’s Weed. 
Along ditches and marshy places. West Point; Oxford; 
Madison (Phares) ; Ocean Springs (Tracy). May. 
Geol. Sur. Herb. 
Ptilimnium Nuttallii (DC) Nuttall’s Bishop’s Weed. 
Damp sandy and gravelly soils. Oxford. July. 
HYDROCOTYLE UL. Pennywort. 
Hydrocotyle umbellata L. Water Pennywort. 
Edges of stagnant pools; marshy places near the coast. 
Woodville; Pascagoula; Gulfport; Bay St. Louis (Allison) ; 
Cat Island (Tracy). May. ; 
Geol. Sur. Herb. Allison Herb. 
Hydrocotyle verticillata Thunb. (H. interrupta Muhl.) 
Whorled Pennywort. 
Marshes and edges of ponds and stagnant streams. Simp- 
son Co. (Hilg. Ms.); Rodney (Dr. Perviance); Hinds Co.; 
Coastal region (Tracy). May. 
Geol. Sur. Herb. 
Hydrocotyle Canbyi Coult. & Rose. Canby’s Pennywort. 
Marshy and miry borders of ponds. Hinds Co.; Gulfport. 
Geol. Surv. Herb. 
