136 UMBELLIFERiE. 



Borders of woods. Can. to Geor. W. to Ark. June. %. Stem about 3 



feet liigii, somewhat branched, sulcate. Umbels terminal and dichotomal. 



Flmcers deep yellow. The oily-matter in the vitt(B of the fruit has a strongly 

 camphorated odor. Hairy-jointed Thaspium. 



4. T. aureum Nutt. : lower and middle cauline leaves bi-ternately, and 

 the uppermost ternately, divided; segments oblong-lanceolate, mostly 

 wedgeform at the base, sharply serrate ; carpels with the winged ribs 

 nearly equal. ( Toir.) Smyrnium aureum Big. 



Wet meadows. Mass. N. Y. Penn. Ohio. June. %. — Stem 1—3 feet high, 

 nearly simple. Umbels on long peduncles 10 — ^20-rayed, with very short invo- 

 lucres. Differs from Zizea nurea in the fruit. Torr. N. Y. Fl. 



Golden Thaspium. 



15. LIGUSTICUM. Z,m7i.— Lovage. 



(Named from Liguria, where the old Ligusticum Levisiicum abounds. Hook. 

 Br. Fl.) 



Calyx with the margin 5 -toothed or obsolete. Petals obo- 

 vate, acute, emarginate, inflexed ; claw very short. Fruit 

 roundish in the transverse section, or slightly laterally com- 

 pressed. Carpels with 5 equal and somewhat winged ribs ; 

 the lateral ones margined. — Involucre various ; partial one 

 many-leaved. 



L. scolicum Linn. : stem erect, smooth and striate ; lower leaves bi-ter- 

 nate ; upper ones ternate and nearly sessile ; leafets broadly ovate, coajsely 

 serrate; umbels many-rayed; flowers equal; petals 'inflexed; involucres 

 linear-lanceolate, 5 — 7-leaved. 



Borders of salt marshes. Salem, Mass. N. to Labrador. W. to Oregon. Aug. 

 %. — Stem 1 — 2 feet high, flexuous. Flowers white. Identical with the foreign 

 plant. Sea Lavage. 



16. ANGELICA. Lnw.— Angelica. 

 (Named Angelic, from its medicinal and cordial properties.) 



Calyx with the margin obsolete. Petals lanceolate, entire, 

 acuminate, with a straight or incurved point. Fruit com- 

 pressed on the back, with the central raphe two-winged on 

 each side. Carpels with 3 dorsal filiform elevated ribs ; the 

 2 lateral ribs dilated into a membranaceous wing. — General in- 

 volucre none or few-leaved ; partial one many-leaved. 



1. A.triquinata Mich.: stem terete, pubescent above; leaves on long 



petioles, ternate ; partitions quinate ; leafets oblong-ovate, equally serrate, 



smooth ; lower ones 2-lobed at the base ; general involucre none ; partial 



. one of 6 — 8 subulate leaves directed to one side. A. hirsuta Muhl. Ferula 



villosa Walt. Archangelica Ursula Torr. tf* Gr. 



Dry grounds. N. Y. to Car. July, Aug. %.. — Stem 2 — 3 feet high, erect 

 and straight, white, villous below the umbel. Umbels mostly 3. Flowers nu- 

 merous, wliite. Triquinate Angelica. 



