PARSLEY FAMILY. 163 



$ 3. Fruits naked (not prickly), splitting when ripe and dry into two one-seeded pieces 

 or carpels, each usually with 5 ribs or some of thtm may be wings. 



# Umbels simple or sometimes proliferous, one over the other. Leaves simple. 



4. HYDROCOTYLE. Flowers white. Fruit much flattened contrary to the line 

 of junction of the two carpels: no oil-tubes. Leaves rounded. 



* # Umbels compound. Fruits mostly with oil-tubes in the form of lines or stripes, one 

 or more in the intervals between the ribs, and some on the inner face, sometimes 

 also under the ribs. 



t- Fruit wingless. 



*-< Seed concave on the inner face : marginal flowers larger and irregular. 

 6. CORIANDRUM. Fruit globular, not readily splitting in two, indistinctly 

 many-ribbed: a pair of large oil-tubes on 'the inner face of each carpel. 

 Flowers white. Leaves pinnately compound. Plant strong-scented. 



M- -w- Seed deeply grooved down the inner face : flowers all alike, white. 



6. OSMORRHIZA. Fruit long and slender, club-shaped, or tapering at the base, 



somewhat sweet-aromatic: no obvious oil-tubes. Leaves twice or thrice 

 ternate. Root sweet-aromatic. 



7. CONIUM. Fruit short, broadly ovate, rather strong-scented, compressed at the 



sides, each carpel with 5 strong and more or less wavy ribs: oil-tubes many 

 and minute. Leaves pinnately decompound. 



*^ *-. t-*. Seed slightly if at all holhrwed out on the inner face. 



8. CICTTTA. Fruit globular and contracted on the sides, each carpel with 5 broad 



and thickened blunt ribs, and an oil-tube in each interval: the slender axis 

 between the carpels splitting in two. Flowers white. Leaves pinnately 

 decompound, not aromatic. Fruit aromatic. 



9. SIUM. Fruit globular or short-oblong and contracted on the sides, each carpel 



with 5 strong or corky ribs, and commonly 2 or more oil-tubes in the narrow 

 intervals. No axis or hardly any left when the carpels separate. Flowers 

 white. Leaves pinnate. Not aromatic. 



10. APIUM. Fruit ovate or broader than long, flattened on the sides, each carpel 



5-ribbed and a single oil-tube in the intervals: axis left when the carpels sep- 

 arate not splitting in two. Flowers white. 



11. CARUM. Fruit ovate or oblong, flattish on the sides; each carpel with 5 



narrow ribs, and a single oil-tube in the intervals: the axis from which the 

 carpels separate splitting in two. Flowers mostly white. Leaves decom- 

 pound. Fruit or foliage aromatic. 



12. FOENICULUM. Fruit oblong; the two carpels with a broad flat face, 5 stout 



ribs, and a single oil-rube in the intervals between the ribs. Flowers yellow. 

 Leaves decompound: the leaflets slender thread-shaped. Whole plant sweet- 

 aromatic. 



- - Fruit winged or winfj-marnined at the junction of the two carpels, which are flat 

 on the fcice and flat or flattish and S-ribbed on the back. Leaves pinnately or 

 ternately compound. 



M- Wing double at the margins of the fruit. 



13. LEVISTICUM. Fruit ovate-oblong, with a pair of thickish marginal wings, 



and single oil-tube in each interval. Involucre and involucels conspicuous, 

 the bracts of the latter united by their margins. Flowers white. Plant 

 sweet-aromatic. 



14. ARCHANGELICA. Fruit ovate or short-oblong, with thin or thickish margi- 



nal wings, and many small oil-tubes adherent to the surface of the seed. Jn- 

 volucels of separate mostly small bracts: involucre hardly any. Flowers 

 white or greenish. 



- -M- Wing surrounding the margin of the fruit single, splitting in two only when the 

 ripe carpels separate. 



15. HERACLEUM. Fruit, including the thin and broad wing, orbicular, very flat, 



and the three ribs on the back very slender: the single oil-fnbes in the inter- 

 vals reaching from the summit only half-way down. Flowers white, the 

 marginal ones larger and irregular. Leaves ternately compound. Plant 

 strong-scented. 



16. PAST1XACA. Fruit oval, very flnt, thin-winged: the single oil-tubes running 



from top to bottom. Flowers yellow, the marginal ones not larger. Leaves 

 pinnately compound. 



