THE AMERICAN MIDLAND NATURALIST 67 
Co. (Hill), Porter Co. (Cowles), 2688) Galien, Mich., 2721 
Stephensville, Mich. 
DRY MOGALLIS Fourr., 1, ¢. Il, 16; 377% (1868). 
Bootia Bigelow, .FJ. Bost., ed. 2, 206 (1826), not Adanson 
(1763). 
Drymocallis agrimonoides (Pursh) Rydb. N. Am. Fl. 22, 
368, (1908). 
Drymocallis arguta (Pursh). Potentilla arguta Pursh, Fl. Am. 
Sept. 736 (1814). Geum agrimonoides Pursh Fl. Am. Sept., 351 
(1814). 
Fouad at Notre Dame and at Galien, Mich. 
TRIDOPHYLLUM Necker Els., 2, 93 (1790). 
Potentilla Linn. 1. c. 
Tridophyllum monspeliense (Linn.) Greene, Leaflets, 1, 
189 (1906). 
Potentilla monspeliensis Linn., Sp. Pl., 499 (1753). 
Laporte (Deam), Notre Dame, 10434. 
Tridophyllum norvegicum (Linn.) Greene, 1. c. 
Potentilla norvegica. 
Notre Dame 2625 (Powers). 
CALLIONIA Greene, Leaflets, 1, 238 (1906). 
Named after ‘one of the gardener slaves of ‘Theophrastus, 
Callion! 
Callionia canadensis (Linn.) Greene I. c. 
Potentilla canadensis Linn. Sp. Pl., 498 (1753). 
Millers (Umbach), Lake Maxinkuckee (Clarke), Laporte Co., 
(Deam) 3866, 2026 Notre Dame (Powers), 10572 Notre Dame. 
A common weed throughout the region. 
DASIPHORA Rafinesque, Aut. Bot., 167 (1838). 
Pentaphylloides Duhamel, Traite des Arbres et Arbutes, 99 
(1755), also Morison, Ox., 2, 193 (1715). Comocarpa T. and G., 
Fl. N. Am., 1. 445 (1840) as subgenus under Potentilla, Comocarpa 
Rydb., Mem. Col. Un., 2, 19, pl. ror (1898). 
Pentaphylloides rejected for reasons already given. 
Dasiphora fruticosa (Linn.) Rydb., Mem. 1. c. 188. 
Potentilla fruticosa Linn., Sp. Pl., 495 (1753), Dasiphora riparia 
Raf. 1. c., Pentaphylloides fruticosa Ray, Syn., 3, 2561, Comocarpa 
fruticosa Rydb., 1. c. pl. ror. 
Lake Co. (Deam, Bradner), Lake Maxinkuckee (Clarke), 
