MICHIGAN FLORA. 



45? 



Sundrops. 



Small Oeno- 

 thera. 



False Loose- 

 strife. 

 Seed-box. 



False L. 

 False L. 



"Water Purs- 

 lane. 



381. fruticosa, L 



C. &S. 



Palo, Ionia Co. (!); Flint; Macomb Co.; Ann Arbor— Allnienrt. Cat. 



Infrequent. 



382. pumila, L. (includes (E. clirysantha, Mx.) 



Ontonagon Falls— Wbitney Cat.; So. Mich.— Wr. Cat. 

 LUDWIGIA 



383. alternifolia, L. 



Dr. Wright. 



384. sphrerocarpa, Ell. (?) 



Near Detroit— Dr. Cooley. 



385. polycarpa, Short & Peter. 



Dr. Pitcher and Dr. Clark. 



386. palustris, Ell. 



Th. 



Infrequent. 



s. w. 



c. & s. 



Rare. 



L. P. 



Common. 



LYTHRA0E2E. 



{Loosestrife Family.) 



AMMANXIA 



Ammannia. 387. humilis, Mx. S. 



"Michigan, 111., and southward"— Gray. Rare. 



LYTHRUM. 

 Loosestrife 388. alatum, Ph. S. 



Xear Detroit— Cooley MS.; S. Mich.— "Wright Cat.; Kalamazoo— Tuthill. 



NES^EA 

 Swamp l. 389. verticillata, HBK. C. & S. 



Crystal Lake, Montcalm Co. (!); Flint; Birmingham, Oakland Co. (!); So. 

 Haven, etc. Infrequent. 



Prickly Pear. 

 Indian Fig. 



CACTACEjE. 



{Cactus Family.) 



OPUNTIA 



390. Rafinesquii, Engehn. 



Common in Newaygo Co. along the Muskegon R. (!) ("a quite spiny 

 form" Engelmann), and a stunted variety on sand barrens near Green- 

 ville (!)— Mr. Satterlee; also, northward into British Am.— Engelmann. 

 O. vulgaris does not occur. 



One-seeded 

 Star Cucum- 

 ber. 



Wild Balsam 

 apple. 



GUCURBITACE^. 

 {Gourd Family.) 



SICYOS 



391. augulatus, L. S. 



Put-in Bay, Lk. Erie (!), and undoubtedly within our limits. Rare. 



ECHINOCYSTIS 



392. lobata, Torr. & Gr. 0. & S. 



Common in low woods along streams. Ionia (!); Lansing (!); So. Haven; 

 Macomb County; Ann Arbor— Allmend. Cat., etc. Cultivated in the 

 east for arbors, window-screens, etc., but rarely here. 



