IOWA ACADEMY OF SCIENCES, 19^ 



LuDwiGiA CuRTissii, Chapm. Marco, Sanibel, Myers (115)^ 

 (116). Wet weather pond or Hatwoods growing in the 

 water. Plants erect. 



Mentzelia Floridana, Nutt. Marco. Shell mounds. 



PiRiQUETA Caroliniana, Urb. var. Glabra, Urb. SanibeU 

 M\^ers. Gravelly prairies. 



Passiflora Suberosa, L. Marco. 



Passiflora Angustifolia, Sw. Marco (105). Shell mounds. 

 Lower leaves three-lobed, 



Passiflora Pallida, L. Myers. 



Carica Papaya, L. Marco (106). Shell mounds along edge 

 of mangrove swamp among shrubs and small trees. 

 Seemingly indigenous; four to six feet high. Fruit 

 about one to two inches long; yellow. 



Melothria Crassifolia, Small. Myers (107), Marco (108)^ 

 Sanibel, Punta Rassa. Climbing on weeds in a fresh 

 water marsh at Myers. No. 108 on shell mounds, 



MoMORDicA Charantia, L. Mycrs. An escape along the 

 streets. 



CiTRULLis Vulgaris, Schrad. Myers. In waste places, 



Opuntia sp. Sanibel, Marco (110). With the aspect of 0. 

 MissonrieNsis. Abundant on shell mounds at Marco 

 Joints vertical but mostly prostrate, oval or nearly 

 circular; about four inches long. Very spiny. Fruit 

 purple; an inch or less long, scarcely longer than wide. 



Opuntia Tuna, Mill. Myers (111). Along coast. Joints 

 large, as much as a foot long, only slightly spiny 

 Fruits tapering at base two to three inches long; sev- 

 eral on the same joint. Plant often four to six feet 

 high. 



Cereus Compressus, Mill. Marco (109), Sanibel. Abun- 

 dant on shell mounds at Marco, clambering over 

 shrubs or trailing on the ground. Flowers nearly a 

 foot long. Fruit globose, two inches in diameter, 

 bright scarlet, 



Hydrocotyle Umbellata, L, Myers (128) (129). Rich, 

 mucky soil near the river. No 129 has tubers. 



Hydrocotyle Repanda, Pers. Myers (1<^7). Rich, mucky 

 soil near the river. 



