616 



UMBELLIFERAE (PARSLEY FAMILY) 



stylopodium wanting ; seed terete. — Smooth perennials, with mostly Thaspium^ 

 like leaves, no involucre, involucels of small bractlets, yellow flowers, and the 



central fruit of each umbellet sessile. Flowering in spring. (Named 



for /. B. Ziz, a Rhenish botanist.) 



1. Z. aiirea (L.) Koch. (Golden Alexanders.) Xeaues (except 

 the uppermost) 2-S-ter)iate, the radical very long-petioled ; leaflets 

 ovate to lanceolate, sharply serrate, acuminate; rays 15-25, stout, 

 2-5 cm. long ; fruit oblong, about 4 mm. long. — River-banks, 

 meadows, and rich woods, e. Que. to Sask., s. to Va., Ark., and 

 Tex. Fig. 830. Var. OBTusir6LiA Bissell. Leaflets broader, 

 rounded at tip. — Local, w. Ct. 



2. Z. B6bbii (Coult. & Rose) Britton. Slender ; leaflets some- 

 what coarsely serrate, the lower leaves small, inclined to be simple ; 

 rays 2-8, slender, 5-7 cm. long ; fruit oval, 2-3 mm. long. (Z. aurea, 

 var. Coult. & Rose.) — Mts., W. Va. to Ga. and Tenn. 



3. Z. cordata (Walt.) DC. Badical leaves mostly long-petioled, 

 cordate or even rounder, crenately toothed, very rarely lobed or 

 divided ; stem-leaves simply ternate or quinate, with the ovate or 



Janceolate leaflets serrate, incised, or sometimes parted ; fruit ovate, 3 min. long. 

 — Ct. (^Eames) to N. C, w. to Alb., Col., and westw. 



19. FOENICULUM [Tourn.] Plill. Fennel 



Fruit oblong, glabrous, with prominent ribs and solitary oil-tuhes. — Stout 

 glabrous aromatic herb, with leaves dissected into numerous filiform segments, 

 no involucre nor involucels, and large umbels of yellow flowers. (The Latin 

 name, from /oenwm, hay.) 



1. F. vdlgIrb Hill. {f. officinale All.; F. Foeniculum Karst.), the culti- 

 vated Fennel from Europe, is a common escape, and somewhat naturalized ia 

 Md. and Va. 



20. PIMPINELLA L. 



Fruit oblong to ovate, glabrous, with slender equal ribs, numerous oil-tubes, 

 and depressed or cushion-like stylopodium. — Smooth perennials, with involucre 

 and involucels scanty or none ; ours with white flowers. (Name 

 said to be formed from bipinnula, referring to the bipinnate 

 leaves.) 



1. P. SAxfpRAGRA L. Leaves simply pinnate, with sharply 

 toothed leaflets ; fruit oblong, 2 mm. long; stylopodium cushion- 

 like. — Roadsides and waste places, local, N. B. to Del., Pa., 

 and 0. (Nat. from Eu.) 



21. TAENIDIA Drude. 



Fruit short-oblong, flattened laterally, wingless, glabrous; 

 oil-tubes mostly 3 in the intervals ; seed subterete but the face 

 slightly concave. Involucre and involucels mostly wanting. 

 Flowers yellow. — Glabrous glaucous perennial, with ternate 

 leaves. (Name from raLvidiov, a little band, in reference to 

 the small scarcely prominent ribs.) 



1. T. integerrima (L.) Drude. Slender, 5-10 dm. high; 

 leaves 2-3-ternate ; leaflets lanceolate to ovate, entire ; fruit oblong, 4 mm. 

 long. {Pimpinella Gray.) — Dry gravelly woods and thickets, w. Que. and 

 w. N. E. to N. C, Ark., and Minn. Fig. 831. 



831. T. integerrima 

 x6. 



22. EtTLOPHUS Nutt. 



Calyx-teeth prominent. Fruit ovate or oblong, glabrous, with equal filiform 

 ribs ; oil-tubes 1-5 in the intervals ; stylopodium conical, with long recurved 

 styles ; seed-face broadly concave, with a central longitudinal ridge. — Ours 



