No. 17] FLOWERING PLANTS AND FERNS 207 
Jussiaea pilosa H. B. K. (J. leptocarpa Nutt.) Hairy Jussiaea. 
Edges of swamps and wet spring places. Bay St. Louis 
(Allison) ; Poplarville. August. 
Allison Herb. 
Jussiaea Peruviana L. Peruvian Jussicaea. 
Adventive along the coast. Coastal Islands (Tracy). 
LUDWIGIA’ L. 
Ludwigia alternifolia L. Common Ludwigia. 
Along ditches and in springy places throughout the state. 
Oxford; Bay St. Louis. August. 
Geol. Sur. Herb. Allison Herb. 
Ludwigia alternifolia linearifolia Britton. 
In marshy edges of swamps and thickets. Michigan City; 
Copiah Co. August. 
Geol. Sur. Herb. 
Ludwigia hirtella Raf. (L. pilosa Ell.). Hairy Ludwigia. 
Low coastal pine belt. Biloxi (Tracy); Bay St. Louis. 
June. 
Allison Herb. 
Ludwigia alata Ell. Winged Ludwigia. 
Marshes and brooksides along the coast. Ship Island 
(Tracy). Spring. 
Ludwigia virgata Michx. Slender-stemmed Ludwigia. 
Wet sandy pine barrens. Bay St. Louis. May. 
Allison Herb. 
Ludwigia linearis Walt. (lL. angustifolia Michx.). Narrow- 
Leaf Ludwigia. 
Wet sandy soil, especially in the southern counties. Amo- 
ry; Smith Co. (Hilg. Ms.); Bay St. Louis. August. 
Geol. Sur. Herb. Allison Herb. 
Ludwigia linifolia Poir. Flax-Leaf Ludwigia. 
Borders of pine barren marshes and ponds. Gulfport 
(Tracy). July. 
Ludwigia microcarpa Michx. Small-Fruited Ludwigia. 
Boggy, muddy places (Small). Spring-Fall. 
