Ptelea. Xaxithoxylum.] EUTACE^E. 155 



Var. molUs. Torr. & Gray, Fl. 1. G80. Engelm & Gray, PI. Liiidh. 33. Tor- 

 rey, Marcy's Rep. 282. Gray, PI. Wright. 1. 31 ; Hall's PL Tex. 5. Wood, Bot. & 

 Fl. 71. 



P. (?) tomentosa. Raf. Fl. Lud. 108. 



P. mollis. M. A. Curtis, Am. Jour. Sci. 2. 7. 40G (Bot. Zeit. 8. 529) ; Bot. N. 

 Car. 107. Walp. Ann. 2. 259. Chapman, G7. Young-, Fl. Texas, 196. 

 RUTA GRAVEOLENS, Linn. Gray, Manual, 679. 



THAMNOSMA montanum. Torrey, Frem. Rep. 318 (Bot. Zeit. 5. 41) ; Pac. 

 R. Rep. 4. 73, t. 3 ; Mex. Bound. 42. Walp. Ann. 1. 160. Gray, PI. Thiirb. 304 ; 

 Ives's Rep. 9. Watson, King's Rej). 5. 418. 

 T. Texauum. Torrey, Mex. Bound. 42. Gray, Hall's PI. Tex. 5. 



Rutosma Texamun. Gray, PI. Lindh. 158; Genera, 2. 144, t. 155; PI. Wright. 



1. 29 & 2. 26 ; PL Thurb. 298 & 304. Torr. & Gray, Pac. R. Rep. 2. 161. 

 XANTHOXYLUM Americanum. Mill. Diet. ; DuRoi, Obs. Bot. 57. Wan- 

 genh. Beschreib. 116. Torr. & Gray, Fl. 1. 214. Torrey, Fl. N. Y. 1. 132; Xicol. 

 Rep. 147. Emerson, Mass. Trees, 509. Gray, Genera, 2. 148, t. 156; Pac. R. Rep. 

 12. 41 ; Struct. Bot. 405, f. 759-766; Manual, 110. Richards. Arct. Exped. 423. 

 Parry, PL Minn. 610. Engelm. PL Upp. Miss. 1S7. 



A". Clava-HercnUs. Lam. Diet. 2. 38 ; III. t. 811, f. 3. Ait. Hort. Kew. 3. 399. 

 Moench, Meth. 340. James, Long's Exped. 1. 317. 

 X. fraxinifoUum. Marsh. Arbust. 167. 

 X. fraxineum. Willd. Berl. Baum. 413; Spec. 4. 757; Enum. 1013. Persoon, 



2. 615. Ait. £. Hort. Kew. 5. 382. Pursh, 210. Nutt. Genera, 2. 236. Nouv. Du- 

 ham. 7. 3, t. 2. James, Long's Exped. 2. 101. Bigel. Med. Bot. 3. 156, t. 59 ; Fl. 

 Bost. 376. DC. Prodr. 1. 726. Spreng. Syst. l". 945. Torrey, Compend. 373. 

 Hook. Fl. Bor.-Am. 1. 118. Raf. Med. Bot. 2. 113, f. 96. Don, Mill. 1. 802. Beck, 

 Bot. 70. Spach, Hist. Veg. 2. 364. Lindl. FL Med. 216. Dietr. 2. 1000. Eat. & 

 Wr. 482. Nees, PL Wied, 5. Loud. Arbor. 1. 488, f. 158 & t. 58. Agardh, Thcor. 

 Syst. t. 19, f. 9. Schnizl. Icon. t. 250, f. 1-14. Maout & Decne, 365, figs. BailL 

 Hist. PI. 4. 389, f. 433-438. 



A', mke. Willd. Enum. 1013. Poir. Suppl. 5. 622. DC. Prodr. 1. 727. Don, 

 Mill. 1. 802. Loud. Arbor. 1. 489. 

 X. ramljlonim. Michx. Fl. 2. 235. 

 X. tricarpuin. Hook. Fl. Bor.-Am. 1. 118, not Michx. 

 Thjjl ax fraxineum. Raf. Med. Bot. 2. 114. 



X. Caribaeum. Lam. Diet. 2. 40. See syn. Trian. & Planch, in Ann. Sci. Nat. 

 5. 14. 315. 



1 X. F/oridamtm. Nutt. Sylva, S. 14, t. 85. Chapman, 66. Wood, Bot. & Fl. 

 70. Young, Fl. Texas, 194. 



X. Clava-Herciilis. Linn. Spec. 270, excl. hab. Jam., not Lam. nor DC. Willd. 

 Spec. 4. 754, in part. EUiott, 2. 690. Trian. & Planch, in Ann. Sci. Nat. 5. 14. 317,- 

 with syn. 



X. fraxinifoUum. Walter, 243. 



Fagara fraxinifoUa. Lam. 111. t. 334. 



X Carolinianum. Lam. Diet. 2. 39 ; 111. t. 811, f. 1. Torr. & Gray, FL 1. 214. 

 Engelm. & Gray, PL Lindh. 5. Gray, Genera, 2. 148, t. 156, f. 13, 14 (fl.) ; Man- 

 ual, 110; Hall's PL Tex. 5. Scheele, Rom. Texas, 432. Nutt. Sylva, 3. 8, t. 83. 

 Curtis, Bot. N. Car. 103. Chapman, 66. 



X. aromnficum. Willd. Spec. 4. 755, excl. syn. Jacq. f. Eel. 1. 103, t. 70. 



Pseudopetalon cjlandulosum & tricarpum. Raf. Fl. Lud. 108; Med. Bot. 2. 114. 



