84 



at the same time that it cannot ropiesont the whole ran},'e. For example, 

 thespeciefc doubtless occurs in Canada, though we have seen no specimens. 



'i. T. barbinode Nutt. 1. c. Loosely branched, pubescent 

 on the joints, sometimes puberulent in the umbels: leaves 1 to 

 8-ternate; leaflets ovate to lanceolate, acute, with cuneate base, 

 coarsely cut-serrate, often ternately cleft or parted; flowers light 

 yellow: fruit broadly oblong, about 8 lines long and 2 liner, broad, 

 with mostly 7 ribs prominently winged, the other 3 not at all 

 winged or but slightly so. (Fig. 8(5.) 



Banks of streams, Canada and New York to Minnesota and southward. 

 Fl. May and June. 



Var. angUStifolium C. & R. But. Gazette, xii. 137, has 

 smaller and narrower more sharply cut leaflets, and fruit more or 

 less puberulent. 



Pennsylvania (W. W. Baileij), Ohio [SiilUrfdil], Indiana {Rose), and 

 Illinois (Bebb). 



Var. pinnatifidum. Divisions of the 1 to 3-ternate leaves 

 inclined to be pinnate; leaflets small, more or less laciniate-toothed 

 with blunt teeth: fruit puberulent. — 7\ pinnaiijidiini of Chapman's 

 Manual. 



Reported only from Florida (Chapman, Ciirti.'iH). 



3. T. Walter! Shuttlew. Resembling the last, but puber- 

 ulent on branchlets, umbels, and fruit, with fewer lea\es: leaves 1 to 

 3-ternate; leaflets 1 to 2-pinnatifid, lobes linear or oblong; one or 

 two leaves near the base often \ei'y large and long petioled 

 (petioles sonietimes a foot long); flowers light yellow: fruit 

 oblong, li^ to 2% lines long, and 1 to 1 1^ lines broad, all the ribs 

 winged, generally 3 of them narrowly so. (Fig. 87.) — Zizia fin- 

 itatifida Buckley. 7\ pinnatifiduin of Gray's Manual, ed. 4. 155. 



Barrens and mountains, North Carolina (Rugel, Buckley), Tennessee 

 {Buckteji), and Kentucky (Short, in herb. Durand). 



21. LIGUSTICUM Linn. Gen. n. 346.— Smooth peren- 

 nials from large aromatic roots, with large ternately or ternate- 

 pinnately compound leaves, mostly no involucre, involucels of nar- 

 row bractlets (mostly wanting in L. Porlcri), and white flowers 

 in larsre manv-raved umbels. 



