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112 Westra Pian. 
REFERENCE TO AUTHORITIES. 
Wisuinc to present this synopsis in asmall compass, I remarked in 
the preface, that the authority for specific names, when not quoted, 
might be found in Eaton’s Manual of Botany. After the first two 
sheets were printed, | came to the determination of making the usual 
references toauthors. ‘ihe previous omissions are here supplied, ex- 
cepting the references to Linnzus. The figures refer to the species. 
Species number 1, 2, and 3, Willd. 9, Michx. 16,17,18, De Cand. 20, 21, 
24, Michx. 25, Willd. 26, Nutt. 27, Walt, 29, Nutt. 30, Big. 33, Pursh. 
35, 37, Willd.» 38, Walt. 40, Michx. 42, Nutt. 45,De Cand. 46, Rose. 
49, 52,53, De Cand. 57, Muhl. 58, Lam. 59, Willd. 60, Pursh. 61, Michx. 
64, Brown. 67, Raf. 68, Willd. 70, Salis. 73,74,Michx. 75, Willd. 76, 
Nutt. 79, Eat. 80, Big. 81, L’Herit. 82, Willd. 83, Michx. 84, Nutt. 
86, Willd. 87, Ait.. 90, Willd. 91, Michx. 92, Muhl. 94, Bart. 100, Pers. 
10I, Hook, 103, 104, 105,106, Willd. 107, 108,109, Michx. 110, Willd. 
111, 112,113, Nutt. 114, Walt. 115,120, Michx. 123, Nutt. 124, Smith. 
125, Nutt. 131, Willd.. 132, Ait. 134, Pursh. 135, De Cand. 137, Willd. — 
138, 139, 140, Michx. 14], 142, 149, Willd. 150, Pursh, 154, Michx. 155, 
Nutt. 157, Willd. 159,Michx. 161,162,163, Vent, 164,165, 166, Willd. 
167, Lam. 169,170, Willd. 171, Pursh. 175, Michx. 176,177, Vent. 178, 
179, Michx. 180, Willd. 184, Michx. 186, 187, Pursh. 188, Raf. 190, 
Willd. 191, Lam. 193,Muh) 194,195, Willd. 196, Nutt. 197, 199, Michx. 
200, Willd. 201, Michx. 203, Nutt. 204, Pursh. 206, Lam. 207, Muhbl.. 
208, Willd. 209, Mubl. 211, Nutt. 914, Ait. 215, Roth. 216, Willd. 
217, 218, Nutt. 219, Pursh. 220,.Nutt, 221,Pursh. 222,Raf. 223, Willd. 
224, Nutt. 225, Pursh. 227, Walt. 228, 230, Willd. 235, 236, 238, Nutt. 
239, Pursh. 240, Willd. 242, 244, Michx. 245, Pursh. 247, Nutt. 248, 
L’Herit. 251, Walt. 253, Michx. 255, Willd. 258, Michx. 265, Willd. 
267, Michx. 268, Lam. 269, Michx. 2%1, Ait. 273,275, Willd. 276, Pursh. 
278, Michx. 281, Ait. 283, Nutt. 284, Michx. 286, Brown. 287, 289, 
Willd. 291, Ehrh. 292, Ait. 295, Pallas, 296, Willd. 298, Moench. 299, 
Bart, 301, Pers. 304, Nutt. 306, Willd. 307, Walt. 308, Ait. 309, 310, 
Willd. 311,312, Michx. 313, Willd. 316,Ait. 318, Porch. 319, Marsh. 
320, Michx. 321, Willd. 322, Michx. 324,Mukl. 325, Nutt. 328, 229, 
Pursh, 330, Nutt. 331, Pursh. 332, Nutt. 338, Michx. 334, Torr. 336, 
Willd. 337, Muhl. 340, Michx. 341, Willd. 342, Michx. 343, 344, 
Pursh. 345, Michx. 346,Muhl. 349, Nutt. 350)Michx. 351, Willu. 352, 
Ell, 353, Michx. 357, Willd. 358, Nutt. 360, Michx. 361, Willd. 362, 
Pursh. 363, Willd. 365, Michx. 366, Willd. 368, 311,372, Nutt. 374,375, 
Willd. 376, Torr. 377, Nutt. 378, Pursh. 379, Torr. 380, Willd. 381, 
Michx. 382, Pursh. 353, Nutt. 385, Pursh. 386, 38%, Nutt. 388, Pursh. 
390, 391, Nutt. 392, Michx. 396, Ell. 397, Eat. 398, Willd. 399, Moench. 
400, Walt. 401, F]1. 402, Pers. 103, Nutt. 405,406, Pursh. 407, Willd. 
410, Walt. 413, 414; De Cand. 419, Willd. 420, Muhl. 421, 432, 434, 
Willd. 436, 437, 438, Michx. 439, 440, Willd. 441, Pursh. 442, Walt. 
443, Nutt. 444, Willd. 445, Michx. 446, Ait. 447, Willd. 448,449, 450, 
Miehx. 452, Willd. 454, Bart. 456,Michx. 457, Willd. 458, Walt. 559, 
Michx. 461, Willd. 462, Wang. 463,Michx. 466, Walt. 467, Ait. 469, 
472, Michx. 473, Willd. 474, Ait. 475,478, 479, Willd. 481, Wangh. 
482,483, Pursh. 484, Muh]. 485, Willd. 486, Muh]. 487, Willd. 489, 
Michx. 491, Willd. 492, Ait. 493,494, Michx. 498, Willd. 499, Ait. 
502, 503, 504, 505, 506,507, Nutt. 508, Willd. 509, Pursh. 510, 512, Willa. 
513, Jacq. 515, Michx. 516,Pursh. 517, Michx. 519, Willd. 521, Michx. 
522, Nutt. 523,527, Michx. 528, 529, Willd. 530,Juss. 531, Willd. 532, 
Nutt. 523, Willd. 534, 535,537, Pursh. 
