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No. 17] FLOWERING PLANTS AND FERNS 
Damp open pastures and waste lands. Throughout the 
state. Oxford; Jackson; Tishomingo Co. (Allison); Bay St. 
Louis (Allison). March. 
Geol. Survey Herb. Allison Herb. 
Houstonia rotundifolia Michx. (Oldenlandia purpurea Gray.) 
Open woods and copses. Tishomingo Co. (Allison) Mont- 
rose; Hattiesburg; Fernwood; Wayne Co. April-May. 
: Geol. Survey Herb. Allison Herb. 
Houstonia lanceolata (Poir.) Britt. 
Open copses and woodlands. Oxford. May-June. 
Geol. Surv. Herb. 
Houstonia angustifolia Michx. (Oldenlandia angustifolia Gray.) 
Dry open upland woods. Oxford. May-June. 
CEPHALANTHUS. L. 
Cephalanthus occidentalis L. Buttonbush. Button Willow. 
Low marshy banks and pastures. Throughout the state. 
Oxford; Grenada; Hinds Co.; Carroll Co. July-Aug. 
Geol. Surv. Herb. 
MITCHELLA L. 
Mitchella repens L. Partridge Berry. 
Dry open shaded woods throughout the state. Lafayette 
Ca.; Tishomingo Co.; Carroll Co.; Hinds Co.; Forrest Co.; Han- 
cock Co. (Allison). April-June. 
Geol. Survey Herb. Allison Herb. 
SPERMACOCE L. 
Spermacoce glabra Michx. Smooth Buttonweed. 
Low wet open fields and pastures. Eastport; Oxford; 
Rodney (Dr. Perviance) ; Warren Co.; Hinds Co. Summer . 
Geol. Surv. Herb. 
Spermacoce parviflora (Meyer) Gray (Borveria parviflora 
Meyer.) 
Low bottom lands in the coastal pine regions. Biloxi 
(Tracy). June.-Aug. 
