432 UMBELLIFER 2. [Sanicula. Sison. 
Elliott, 1. 348. Torrey, Fl. U. S. 302, excl. var.; Fl. N. Y. 1. 264, t. 31; Bot. 
Wilkes, 314. Cham. & Schlecht. in Linnea, 1. 353. DC. Prodr. 4. 84. Hook. Fl. 
Bor.-Am. 1. 257, excl. syn.; Comp. Bot. Mag. 1. 47. Don, Mill. 3. 264. Beck, Bot. 
141. Fisch. & Meyer, Ind. Sem. Petrop. 3. 17 (Litt.-Ber. zu Linnza, 1838, 106).° 
Darling. Fl. Cestr. 184. Torr. & Gray, Fl. 1. 602, in part. Dietr. 2. 934. Eat. & 
Wr. 411. Gray, Pl. Fendl. 55; Pac. R. Rep. 12. 43; Manual, 190. Parry, Pl. Minn. 
613. Engelm. Pl. Minn. 193. Chapman, 159. Pl. Bourgeau, 257. Porter, FI. 
Col. 53. 
Caucalis Marylandica. Crantz, Umbel. 110. 
S. Menziesii. Hook. & Arn. Bot. Beechey, 142 & 347. Hook. Fl. Bor.-Am. 1. 
258, t. 90. Don, Mill. 3. 264. Torr. & Gray, Fl. 1. 602. Eat. & Wr. 411. Walp. 
Rep. 2. 387. Benth. Pl. Hartw. 312. Torrey, Pac. R. Rep. 4.91; Mex. Bound. 
70; Bot. Wilkes, 314. Cooper, Pac. R. Rep. 12. 62. Boland. Cat. 13. Gray, Proc. 
Am. Acad. 8. 385. Watson, same, 11.115. Brew. & Wats. Bot. Calif. 1. 256. 
S. Nevadensis. Watson, Proc. Am. Acad. 11.139. Brew. & Wats. l. c. 
2 ,S.——? Anderson, Cat. Pl. Ney. 121. 
S. tuberosa. Torrey, Pac. R. Rep. 4.91. Boland.1l.c. Brew. & Wats. 1. c. 257. 
SELINUM Benthami. [Watson, Proc. Am. Acad. 11. 140,innom.] The fol- 
lowing citations refer in part to this species, in part to a second undescribed one. 
See Benth. & Hook. Gen. PI. 1. 915. 
Ligusticum Gmelini. Cham. & Schlecht. in Linnea, 1. 391, excl. syn. 
Conioselinum Fischeri. Bongard, Veg. Sitch. 142; not Wimm. Hook. & Arn. 
Bot. Beechey, 124. Hook. Fl. Bor.-Am. 1. 266. Don, Mill. 3. 821, in part. Torr. 
& Gray, Fl. 1.619. Ledeb. FI. Ross. 2. 290,.in part. Seem. Bot. Herald, 32 & 52. 
Hook. f. Arct. Pl. 292 & 330. Rothr. Fl. Alaska, 447. 
Laserpitium hirsutum. Hook. & Arn. Bot. Beechey, 125. Hook. Fl. Bor.-Am. 1. 
270. Don, Mill. 8. 351, in part. Torr. & Gray, Fl. 1. 635. 
S. Canadense. Michx. Fl. 1.165. Persoon, 1. 309.° Poir. Dict. 7. 66. Pursh, 
192. Elliott, 1. 351. Benth. & Hook. Gen. Pl. 1. 915. Wood, Bot. & FI. 140. 
2 Athamanta Chinensis. Linn. Spec. 245. 
Apium bipinnatum. Walter, 115. 
Cnidium Canadense. Spreng. in Roem. & Schult. Syst. 6. 415, excl. syn. in part ; 
Syst. 1. 888. Torrey, Fl. U. 8. 306. DC. Prodr. 4. 153. | Hook. Fl. Bor.-Am. 1. 
264. Don, Mill. 3. 314. Beck, Bot. 145. Dietr. 2. 958. Eat. & Wr. 202. 
Conioselinum (?) Canadense. Torr. & Gray, Fl. 1.619; Pac. R. Rep. 2. 127. 
Walp. Rep. 2. 405. Torrey, Fl. N. Y. 1. 275, t. 35. Chapman, 164. Matthew, Fl. 
Acad. 20. Gray, Manual, 193. 
S. capitellatum. Benth. & Hook. Gen. Pl. 1.915. Watson, King’s Rep. 5. 126. 
Brew. & Wats. Bot. Calif. 1. 265. 
Sphenosciadium capitellatum. Gray, Proc. Am. Acad. 6. 536. Anderson, Cat. Pl. 
Nev. 121. 
S. Kingii. Watson, King’s Rep. 5. 126. Brew. & Wats. Bot. Calif. 1. 265. 
§. Pacificum. Watson, Proe. Am. Acad. 11. 140. Brew. & Wats. lL. ¢. 
SISON Ammi; Apium leptophyllum. S. integerrimus ; Pimpinella integerrima. 
aureus ; Thaspium aureum. majus ; Ammi majus. 
bulbosus ; Erigenia bulbosa. marginatum ; Archemora rigida. 
Canadense ; Cryptotenia Canadensis. pusillum ; Apium divaricatum. 
capillaceus ; Discopleura capillacea. rubricaule ; Discopleura capillacea. 
divaricatus ; Apium divaricatum. trifoliatum ; Thaspium aureum. 
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