154 GERANIACES. [Oxalis. Ptelea. 
1.516. Pursh, 322. Poir. Suppl. 4. 245. Nutt. Genera, 1. 292. Elliott, 1. 528. 
Sims, Bot. Mag. t. 2215. DC. Prodr. 1.695. Torrey, Fl. U.S. 462; FIN. Y, 
1. 123; Nicol. Rep. 146; Emory’s Rep. 407; Marcy’s Rep. 281; Mex. Bound. 41. 
Turpin, Dict. Sci. Nat. 37. 135, t.132. Zucc. Oxal. 19 & Nachtr. 27. Bigel. FI. 
Bost. 258. Spreng. Syst. 2.426. Won, Mill. 1. 760. Beck, Bot. 69. Spach, Hist. 
Veg. 3. 248. Torr. & Gray, Fl. 1. 211. Eat. & Wr. 337. Dietr. 2. 1606. Nees, Pl. 
Wied, 5. Gray, Genera, 2. 112, t. 144,f.1-6; Pl. Wright. 2.25; Pac. R. Rep. 
12.41; Manual, 109. Parry, Pl. Minn. 610. Engelm. Pl. Upp. Miss. 186. Chap- 
man, 63. Porter, Fl. Col. 17. Baill. Hist. Pl. 5. 24, f£. 64. 
O. longiflora. Linn. Spec. 433. Hill, Veg. Syst. 9, t. 3, f.2. Thunb. Oxal. 
i138. Say. in Lam. Dict. 4. 679. Willd. Spec. 791. Persoon, 1. 517. Poir. Suppl. 
4. 247. 
O. vespertilionis. Gray, Pl. Fendl. 27. 
O. Wrightii. Gray, Pl. Wright. 1. 27 & 2. 25. Torr. & Gray, Pac. R. Rep. 2. 161. 
Walp. Ann. 4. 401. Torrey, Mex. Bound. 41. 
RUTACEZ. 
ASTROPHYLLUM dumosum. Torrey, Pac. R. Rep. 2. 161; Mex. Bound. 42. 
Baill. Hist. Pl. 4. 394 & 472. 
CITRUS vutearis, Riss. Nutt. Sylva, 2. 106, t. 76. Chapman, 62. Wood, 
Bot. & Fl. 71. 
C. 2 Torr. & Gray, FL 1. 222. 
C. Aurantium. Cooper, Smithson. Rep. 1860, 440. 
PEGANUM Mexicanum. Gray, Pl. Wright. 1. 30 & 2. 106. Walp. Ann. 
4.414. Torrey, Mex. Bound. 42. 
PTELEA angustifolia. Benth. Pl. Hartw.9. Walp. Rep. 1. 523. Gray, Pl. 
Fendl. 28. Torrey, Mex. Bound. 44. Watson, King’s Rep. 5. 50. Porter, Fi. 
Col. 18. 
P. trifoliata. Boland. Cat. 7. 
P. Baldwinii. Young, FI. Texas, 196. ' 
P. Baldwinii.. Torr. & Gray, Fl. 1.215. Eat. & Wr. 379. Walp. Rep. 1. 523. 
Chapman, 67. Wood, Bot. & FI. 71. 
P. trifoliata. Linn. Spec. 118. Medicus, Bot. Beob. 1782, 215. Marsh. Arbust. 
115. Walter, 88. Ait. Hort. Kew. 1. 162. Lam. Ill. 1. 336, t. 84. Moench, 
Meth. 55. Schmidt, Arb. 2, t.'76. Willd. Spec. 1.670; Enum. 166. Michx. Fl. 
1.99. Nouv. Duham. 1. 252, t.57. Poir. Dict. 5. 706. Persoon, 1. 145. Pursh, 
107. Nutt. Genera, 1. 104. Elliott, 1.201. Rom. & Schult. Syst. 3.291. ‘Torrey, 
Fl. U. S. 189; Fl. N. Y. 1. 188; Pac. R. Rep. 4. 73; Mex. Bound. 43. DC. Prodr. 
2.82. Spreng. Syst. 1. 441. Turpin, Dict. Sci. Nat. 44. 2,t.128. A. Juss. in 
Mem. Mus. 12, t. 26, f.42. Guimp Otto & Hayne, t. 74. Beck, Am. Jour. Sci. 
10. 264; Bot. 71. Don, Mill. 1. 806. Spach, Hist. Veg. 2. 369. Hook. Jour. Bot. 
1. 202. Lindl. Fl. Med. 215. Torr. & Gray, Fl. 1.215. Dietr. 1.497. Eat. & Wr. 
879. Loud. Arbor. 1. 489, t. 59. Scheele, Rim. Texas, 432. Gray, Genera, 2. 150, 
t.157; Manual, 110. Richards. Arct. Exped. 423. Parry, Pl. Minn. 610. En- 
gelm. Pl. Upp. Miss. 187. Agardh, Theor. Syst. t. 19, f.7,8. Curtis, Bot. N. 
Car 107. Lesqx. Fl. Ark. 353. Chapman, 66. Schnizl. Icon. t. 250, f. 15-26. 
Baill. Hist. Pl. 4. 395, f. 445, 446. 
