366 UMBELLIFER^. (PARSLEY FAMILY.) 



54. AIXSWORTIIIA, Boiss. Aikswokthia. 



Calyx-margin obsolete. Fruit surrounded by a turcid, pithy, 

 smooth margin. Ribs filiform, or the lateral somewhat remote. Oil- 

 tube 1 in each interval — ^irrigulose or hairy annuals, with white 

 flowers, and linear-setaceous involucre and involucel. 



* The lohole margin of mericarps tumid, opaque, 



1. A. cordata, L. .3 to .6, loosely pubescent. Leaves ovate- 

 cordate, obtusely crenate, undivided, or the upper tripartite into ovate 

 leaflets, the terminal cuneate. Involucel longer than flowers ; fruits 

 ovate-orbicular, .004 to .006 long, the central often urn-shaped, 

 with glalirovs margin^ as broad as minutely warty disk — Spring 

 — Fields ; Qannubin Valley (Lebanon). 



2. A. tracliycarpa, Boiss. .3 to .6, acu- 

 leolate-scabrous. Lower leaves ovate-cordate, £iG. 193. 

 the others pinnntijmrtite into 3-5, ovate leaflets, 

 the terminal much larger. Involucel longer than 

 flowers, fruit ovate-orbicular, .003 to. 004 long, with 

 margin as broad as disk, both minutely warty — 

 Spring — Fields ; common. 



* * TJie i7mer part of margin pellucid, the outer 

 somewhat inflated, opaque. 



3. A. Cariiieli, Boiss. .3 to .6, hispid. 

 Leaves obtusely creuate-dentate, either simple, 

 cordate-ovate, or trisect. Involucel as long as or 

 longer than flowers ; fruits orbicular, .005 to .006 

 in diameter, with sparingly, icarty diaJc — Spring — Fruiting umbellet of A. 

 Shrubby places ; base of Carmel. ^^^ ^^^ ^ ' 



55. ZOZIMIA, Hoffm, Zozimia. 



Calyx 5-toothed. Fruits with a tumid margin, the space between 

 the seed and margin hyaline. Ribs very slender, the lateral ren^ote, 

 near the margin. Oil-tubes 1, occupying the whole of each interval, 

 the commissural 2, near together — Monocarpic or perennial, pubescent 

 or hirsute herbs, with dissected leaves and white flowers. 



Z. absintliifolia, Vent. (D © .2 to .6, more or less greyish- 

 pubescent; root thick, fusiform; neck densely flbrous; stems thick, often 

 reduced to stout peduncles, springing from the root. Leaves oblong- 

 lanceolate in outline, 2-3 pinnatisect into oblong lobules, .002. to .004 

 long. Umbels many-rayed ; petals not radiating, fruit OKbicular to el- 

 liptical, .005 to .01 long, retuse at apex — Spring — Dry places; Sinai, 

 Gaza, Marash, and northward, and eastward. 



Cow-Parsnip. 



Calyx 5-toothed. Fruit with dilated, flat margin. Ribs slender, 

 the lateral remote, near the margin. Oil-tubes 1 in each interval, 

 broad, generally club-shaped, short, rarely filiform — Biennial, trien- 

 nial, or perennial herbs, with dilated, sheathing petioles ; flowers often 

 polygamous. 



