192 4 PENTAKUKl'A IHGYNTA 



Ob*. The trJtol p'ant is highly aromatic. Ti is <hitfy militated fof its fan 

 which is nften used in domestic economy : and sometime* smoked , like tobacco, 0$ ^ 

 remedy for cholir. The V. dulce, or Sweet Fennel. i> «/no sometimes y though rare* 

 ly y to be met with in the gardens. There are no native specits in the C. States. 



147. TIIASPII'M. jYutt. Gen. 282. 



[So named, "from the isle of Tiaspia* (Thapsos !). Auttall ] 



Calyx with the limb 5-toothed. Petals elliptic, with a long tapering 

 in flexed ncumination. Fruit eubelliptic, not compressed at the side*. 

 Carpels with 5 uneqnal ribs, of which :* or 1 arc winged ; the lateral 

 •m\s winged and marginal. Channels striate, with single vittm. Com- 

 missure with 2 vittx. Involucre mostly 0. Iavolucels unilateral, 

 about 3-leaved. 



1. T. Baubinodb, JVto& Stem sulcate-angled, smooth, pubescent at 



the nodes ; lower leaves somewhat triternate ; upper ones biternate 

 and ternate; leaflets cuneate-ovate, acute, unequally incieed-eerrate, en- 

 tire at base. Becky Hot. (>. 146. 



Jiigusticum Barbinode. Mx. Am. I. p. 107. Pers. Syn. I. p, 315, 

 Pursh, Am. 1. p. 1 ( J3. E/A S£\ 1. p. 352. 

 Smvrnium Barbinode. JUvhl. Catal. p. 32. 



Thapsiatrifbliata. Tarn /7. 1. p. 317. I\jus<l. Comp. p. 138. Not ? of 

 IJ7IW, 

 NooT>BKA*nF.n Tiiaspium. Vulgo— Meadow Parsnep. 



Plant yellowish green. Root perennial. Stem about 2 feet high, somewhat 

 branched, angular, sulcate, striate, smooth, with a short rather coarse and dense 

 pubescence at the joints, and base of the petioles. Leaves mostly biternate, smooth; 

 the uppermost ones opposite, and often ternate, the Lower or radical ones sometimes 

 triternate ; segments or leaflets I to 2 and ;» half inches long, and half an inch tt 

 an inch and half wide, deeply inclsed-t>errate, a little scabrous on the margin, and 

 nerves above, the lateral ones sometimes 2-parted, frequently obtuse and unequal 

 at base, the middle or terminal one often .'{-parted, cuneate at base. Imbelsler 

 tninal and dichotomal; rays unequal, half an inch to an inch lone, sulcatc-angled, 

 jiubescent at the base, or common centre. Involucre mostly 0, sometimes 1 or 2 

 lance-linear leaves. Jural w els of 3 or 1 subulate-linear leaves a little longer than 

 the rays of the umbellets. Calyx distinctly 5-toothed. Petals deep yellow. Style* 

 filiform, erect, twice as long as the petals. Fruit elliptical, one fourth of an inck 

 long; ribs unequal ; the outer carpel with 1 winged ribs, the dorsal or central one 

 not winged ; the inner carpel with 3 Winged ribs (viz. the dorsal anil 2 manrinal 

 •nes), the intermediate ones not winged ; inter stives dark brown. Seed linear-ellrp. 

 trc, plano-convex, somewhat ribbed. 



Mab. Borders of woodlands ; meadows, &c. frequent. Fl. June. Fr. August. 



Obs. The oily matter, in the vitta of the fruit, has a strongly camphorated ar- 

 omatic odor, as remarked by Mr. Nuttall. This plant, through inadvertence, has 

 heretofore generally passed for Zizia aurea, (Smyrnium aureunu L.) with our 

 Chester County Botanists; but its characters are detailed by Mr. Nuttall with his 

 asual accuracy and fidelity,— and cannot be mistaken, oh a careful examination. 

 Twe other species, as the genus is now constituted, occur in the U. States,— 

 of which, probably, T. atropurpureum may yet be found along the Schuylkill, 

 wfrhtn&e limits of this Count*. 



