THE AMERICAN MIDLAND NATURALIST 57 
Aizoon acre Cordus Hist. 98 (1561), Sedum acre Linn. Pan 
Suecus, Amoen I], 248 (1751). Sp. Pl. 432 (1753)- 
Escaped from gardens and graveyards. Notre Dame, Ind., 
St. Joseph, Mich., Mishawaka, Ind. 
Family 81. PENTHORACEAE Rydberg. N. Am. 
Bl.22;-75 (1905) 
PENTHORUM. Gronevius) Fle Virg.; 51. (2739). 
Penthorum Vinn., Gen., 204 (1742), 197 (1754). Linn. Act 
Ieslasa2. t.2°(nz44i): 
Penthorum sedoides Linn., Sp. Pl., 432 (1753). 
Lake Maxinkuckee (Clarke), Clarke, Ind. (Umbach), Lake Co. 
(Deam), Pine, Ind. (Umbach, Steele), Bascom, (W. Hahn), Notre 
Dame, 9380. 
Family 82. PARNASSIEAE S. F. Gray, Nat. Arr 
Behl th 623) (10827): 
Parnassiaceae Dumort., Anal. Fam. 37, 42 (1829). 
PARNASSIA* Tour Els: 212 °(1604);) 1. Ro. 2469700): 
Parnassva. Lann., ‘Syst:, (1735); Gen. 87 (1737); 4133 G754)5 
also Haller, Helv. 316 (1742) Enneadynamis Gesner, Hort. Germ., 
261 (1561) in syn. Six-syllabled word! 
Parnassia caroliniana Michx., Fl. Bor. Am. I, 184 (1803). 
Lake Co. (Deam, Hill), Lake Maxinkuckee (Clarke), 2112 
Chain Lakes, 11623 Notre Dame, 3987 Notre Dame (Powers). 
Family 83. SAXIFRAGEAE Vent., Tab. III, 277 (1799). 
Saxifragaceae DC., Lam. and DC. FI. Fr. 3, IV, 358 (1805) 
also Prod. IV, 1 (1830). Endlicher, Gen. 813 (1839). 
MICRANTHES Haw. Syn. Pl. Succ. 320 (1812). 
Saxifraga of authors in part. 
Micranthes pennsylvanica (Linn.) Haw., Saxifr. Enum. 
Saxifraga pennsylvanica Linn., Sp. Pl., 399 (1753), also 
Dillenius, Hort. Eltham. 337 (1732). 
Clarke, Ind. (Umbach), Lake Maxinkuckee (Clarke), St. 
Joseph Co. (Rothert), Lake Co. (Hill), 1880, 9461, 1886 420 Notre 
Dame, 9197 Granger, St. Joseph Co., Ind., 830 N. Liberty, Ind. 
Common in all the counties in moist ground. 
HEUCHERA Linn., Syst. (1735), Gen. 68 (1737), 106 (1754). 
Hort) Clifl.:.82 (1737): 
