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MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
ASCLEPIDIADACEAE. Milkweed Family. 
ASCELPIAS L, Milkweed. 
Asclepias tuberosa L. Butterfly Weed. Pleurisy Root. 
Open uplands and pastures over the state. Eastport; Rip- 
ley; West Point; Lafayette Co.; Hinds Co.; Madison Co.; 
Bay St. Louis (Allison). May-June. 
Geol. Surv. Herb. 
Asclepias phytolaccoides Pursh. Poke M.lkweed. 
Moist shady woods. (Doubtful here) Hilg. Ms. 
Asclepias cinerea Walt. Hoary Milkwe 1. 
Dry open pine lands. Chunky; S.ate Line; Picayune. 
Summer. 
Geol. Surv. Herb. 
Asclepias angustifolia Ell. (A. Michauxii Deesne.) Fragrant 
Milkweed. 
Low sandy pine barrens. Back Bay, Biloxi. April-May. 
Geol. Surv. Herb. 
Asclepias lanceolata Walt. (A. paupercula Michx.) Marsh 
Milkweed. 
Boggy pine barrens; salt marshes. Pascagoula Bay; Bay 
St. Louis (Allison); Picayune. May-June. 
Geol. Surv. Herb. Allison Herb. 
Asclepias purpurascens L. Purple Milkweed. 
Thickets and borders of woods. Horn Lake. June-July. 
Geol. Surv. Herb. 
Asclepias obtusifolia Michx. (A. purpurascens Walt.) Obtuse- 
leaved Milkweed. 
Dry, open upland woods. Lafayette Co.; Jones Co. (Al- 
ison). June. 
Allison Herb. 
Asclepias humistrata Walt. (A. amplexicaulis Michx.) Rab- 
bit’s Milkweed. 
Dry sandy soil in pine barrens. Coastal Islands (Tracy) ; 
Chunky; Hattiesburg. April-May. 
Geol. Surv. Herb. 
