UMBELLIFER^. (PARSLEY FAMILY.) 357 



Thib« VIII. PKUCEDANE^. 



* Margin of fruit 2-winged ; raphe narrow ; ribs equidistant. 



4.5. ANGELICA. If Leaves 2-3-pinnatipartite into large, ovate-oblong leaflets. 



* * Margins ofmericarps touching ; raphe occupying the whole commissure. 



f Ribs, or at least the intermediate ones, nearly equidistant, 



J Secondary ribs 4, 



46. SILER. If Leaves 2-3-ternately divided into large, obovateororbicular leaflets, 



J J Secondary ribs 0, Margin usually not thickened. 



47. FERULA. 1(! Tall herbs vpith caducous involucre; leaves w^ith filiform, or minute 

 oblong lobes ; the central umbel sessile or nearly so. 



48. FERULAGO. 2f Diff'ers from Ferula in persistent involucre, peduncled central umbel, 

 and general habit, (Figs. 185-187). 



XXX Secondary ribs 0, Margin usually pithy, more or less thickened. 



49. JOHRENIA. (g) If Stems tall, naked, and fruit elliptical, .003 to .005 in diameter, or ^ 

 with low, scape-like stems, and oblong fruit ; margin thick, pithy. (Figs. 188-189.) 



50. PEUCEDANUM. 2^ Fruit oblong-elliptical, margin flattish. (Fig 190.) 



sl. ANETHUM- Fruit lenticular, .006 long, ,003 broad, margin flattish; lobes of leaves 

 filiform, 



52. KRUBERA, Fruit lenticular, .005 long, .003 broad; margin thickened; leaves finely 

 dissected into short, oblong lobes. (Fig 191.) 



53 TORDiTLITJlVI. Fruit round, .006 to ,01 in diameter, with wrinkled, pithy margin; 

 leaves pinnatipartite into large, ovute or oblong, more or less dentate, incised, or parted seg- 

 ments. (Fig 192.) 



54. AINSWORTHIA. As in last, but fruits only half as large; margin not wrinkled (Fig 193). 



t t Lateral ribs more or less distant from intermediate. Inner margin pellucid, outer {except in 

 Pastinaca) tumid, pithy. 



55. ZOZIMIA. (g) .2 to .6 high. Leaves much dissected into minute lobes, Rays equal. 



56. HERACLEUM. @ (5) If .2to.6high. Alpine plants, with leaves 1-2-pinttatipartite 

 into large, ovate to oblong leaflets. Rays nearly equal. (Fig, 194.) 



57. SYNELCOSCIADIUM. 1 to 2 high, strigose. Leaves pinnate with large, ovate 

 leaflets. Umbels unequally rayed, contracted in fruit. (Fig 195). 



58. MALABAILA, (D If .3 to ,5, pubescent; umbels with equal rays, spreading in fruit. 



59. OPOPONAX. If 1 to 2, nearly glabrous. Leaves 3-pinnatipartite into obovate-cuneate 

 leaflets. Umbels equally rayed. 



60. PASTINACA, (2) 1 or more. Leaves pinnatisect into ovate or ovate-oblong leaflets. 

 Rays equal. Margin of fruit not tumid. 



45. AXOEL.ICA, L. Angelica. 



Calyx-margin obsolete. Fruit -with lenticular mericarps, connect- 

 ed by a narrow, flat keel, 2-winged on each side. The three dorsal ribs 

 filiform, elevated, the two lateral expanded into broad, membranous 

 wings — Oil-tubes 1 in each interval — Tall, white-flowered perennials 

 with 2-3 pinnatipartite leaves. 



A. iylTestris, If 1 to 3, corymbose-panicled above ; inflores- 

 cence puberulent. Leaflets ovate to oblong-ovate, acutely serrulate, 

 .02 to .05 long ; upper leaves reduced to an inflated petiole, with few, 

 small leaflets. Umbel 30-40-rayed ; bracts of involucre and involucel 

 lanceolate, membranous, numerous, caducous ; mericarps ovate-orbicu- 

 lar ; wings broader than seed ; ribs obtuse — September — Kerhan 

 (base of Akherdagh), and northward. 



