364 THE AMERICAN MIDLAND NATURALIST 
489. Tomostima micranthum (Nutt.) Lunell. 
Draba micrantha Nutt.; T. & G. Fl. N. A. I: 1og. (1838). 
Draba caroliniana micrantha (Nutt.) A. Gray, Man. Ed. 5. 
72. (1867). 
Minot; Medora (Cl. Waldron). 
490. Tomostima luteum (Gilb.) Lunell. 
Draba lutea Gilib., ace. to DC. Syst. II: 35. 
Draba nemorosa Linn., var. letocarpa Lindbl. 
Leeds, Peninsula of Lake Ibsen. 
491. Tomostima nemorosum (Linn.) Lunell. 
Draba nemorosa Linn. Sp. Pl. 643. (1753). 
Towner. ' 
THLASPI Dioscorides 2, 147 (Ruellius’ ed.) 189: (asap 
Linn. Syst.- (7735): (Gen! 193 (1737); 242° (1754). Ray Paeaee 
Gesner. Hort. 284. (1561). 
492. Thlaspifatuum Gesner, Hort, Germ. (1561): also Ray Le. 
Thlaspi Bursa pastoris Linn. Sp. Pl. 647. (1753). 
Bursa pastoris Weber, Wigg. Prim. FJ. Holsat. 47. (1780). 
Capsella pastoralis Dulac. Fl. Pyr. 189. (1867). 
Capsella Bursa—pastoris Medic. Pflanzengatt. I: 85. (1792). 
Leeds, and everywhere else. 
TERUNCIUS lUunell, nomen novum (lat. teruncius, a small 
coin, the shape of the fruit suggesting the likeness. Cfr. also the 
English name Penny Cress). 
Thlaspt Dill.,not Diose. Thlaspidium ‘Tragus, Hist. Stirp. 
85. (1552), Spach (1838), Adanson (1762) = Biscutella, Thlaspidea 
Opiz (1852), all unacceptable names, as built on Thlaspi. Pachy- 
phragma (=Thlaspi latifolium Winn.), used by DC. in Prodr. 
I. 175 as a section, from which Reichenbach in Nom. 179. (1841) 
probably got it. Nomisma DC., antedated by Nomisma Wright 
& Arn (=Khynchosia). 
493. ‘Teruncius arvensis (Linn.) Lunell, 
Thlaspi arvense Linn. Sp. Pl. 646. (1753). 
Leeds, and everywhere. 
RORIPA Scopoli, F). Carn. 520. (1760). 
Radicula Dillenius, Cat. PJ. Giss. 80. (1718), in part. Hill, 
Br. Herbal. 265 (1756), not Dodonaeus Pempt. 666 (1583)= 
Raphanus.—Nasturtium R. Br. in Ait. Hort. Kew. Ed. 2, 4: 109. 
(1312) in part. 
494. Roripa palustris (Linn.) Besser, Enum. 27. (1821). 
