176 . THE UMBELLATE FAMILY. 
Bracts of the involucre entire or none . 
Umbels of more than 20 rays, with involucres of many bracts, and shortly 
10 downy fruits . . - . 1%. SESELI. 
Umbels of few rays (seldom 10). Bracts few or none. Fruits burr-like or 
very hispid. . 11 
u Fruit contracted at the top into a very short, smooth beak 30. CH@ROPHYLLUM. 
Fruit covered to the top with hooked bristles. : d . 81. CAUCALIS. 
Fruit very much flattened ‘ 5 : ‘ Fi . é ae 
12 Fruit globular, ovoid, or shortly oblong 3 . < ls 
“| Fruit long and narrow, at least four times as lone as broad. " (Leaves much 
cut, and often hairy. ) : : : : : ; ; ‘ . 46 
13 { Fruit rough, surrounded by a thick edge : ; : : . 26. TORDYLIUM. 
Fruit smooth, with a thin or double edge . 14 
Fruit bordered by 2 thin edges or wings, which are distinct befor ethe fruit ripens. 
us) (Tall plant, with numerous ovate segments to the leaves) . 22. ANGELICA. 
Edges of the fruits single until the carpels separate . i 
15 { Leaves much dissected, with narrow or small segments . 23. PEUCEDANUM. 
Leaves consisting of a few large, broad segments 16- 
Lower leaves of 3 large, 3-lobed scene equal to each other, ‘and with 
16 stalks of equal length : s 23. PEUCEDANUM. 
Lower leaves pinnate; or, if ternate, the middle segment longer, with a 
longer stalk : : , : : ; , ; s 17 
7 Flowers. yellow, all small . OA, PASTINACA. 
Flowers white, the outer petals of the umbels much larger . 25. HERACLEUM. 
18 { Flowers yellow : : : : A : ; : : : ; - re 
Flowers white . j .-22 
Leaves two or three times ternate, with laree broad segments. Fruit of 2 
wo ‘globular carpels : . 935. SMYRNIUM. 
Leaves pinnate or much divided. Fruit ovoid or ‘oblong : : f . «20 
{ Leaves very finely divided into filiform segments ; ; FENG: Maes 
20 Segments of the leaves flat, linear-lanceolate or oblong. : 21 
{Woke of the fruit very prominent, almost winged __. ies " SILAUS. 
21) Ribs of the fruit scar cely prominent. é ee “CARUM Pet) ‘oselinum. 
Fertile flowers and fruits, at least the central ones, nearly sessile, sur- 
A rounded by small, barren, pete flowers. Fait corky, with calyx- 
22 teeth .\° fig ety .  . 14 GNANTHE. 
Fertile flowers pedicellate : me 
Leaves twice or thrice ternate, with large, broad segments (of 2 or 3 inches) . 
Leaves once pinnate, with several pairs of sessile, ovate, lanceolate, or dis- 
23- sected segments «26 
Leaves much dissected, “with small or narrow seements, the lower. ones 
stalked : ; ; : ; : : : , Rags 
o4 f Umbels all terminal and peduncled 3 : : 4 ‘ } : : ee 
\ Umbels mostly lateral and sessile . é : 3 , : j 6. APIUM. 
95 { No involucres . | 9. AMGOPODIUM. 
Partial involucres of several bracts, general one of very few. 18. LIGUSTICUM. 
No involucres . 2 ! : ; . 12. PIMPINELLA. 
26 Involucres at least to the partial umbels : : : : 
on { Umbels terminal . : : J as 
“" | Umbels mostly lateral, almost sessile. : ; SS : . 29 
( Fruit ovoid, about 2 lines long or more 2 : : d : : : . 46 
28 { ruit ovoid, under 2 lines long ; : , : : ; ; SSS roe 
( Fruit nearly globular, not1llinelong . : : ; : ; 7. SISON. 
99 General involucre of several bracts ; : : oe SIUM. 
-“ (No general involucre, or only a single br act. A : : : ‘ . APIUM. 
30 { Umbels mostly lateral, almost sessile. , . : ‘ ioe 
Umbels all terminal or pedunculate ; : ; . 82 
Leaves with few ovate segments . Li Ee — 
314 Leaves twice or thrice pinnate, with numerous small segments. 
16. GENANTHE Phella ndre tum. 
Erect branched annuals (not above 2 feet high) . 
32 
Perennials or tall biennials_ . : ‘ 36 
93 Partial involucres longer than the flowers, and reflexed d 15. AUTHUSA. 
Partial involucres shor ter than the flowers, or none . : : : : . 34 
34 f Fruit globular or broader than long 2 : } ; Z : lou 
\ Fruit ovoid or longer than broad . : ; ’ , ; : . 48 
15° 
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