oT, 
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Vor. II.] CARROT FAMILY. 539 
41. AEGOPODIUM L. Spiele 2655. 1754: 
Perennial herbs, with 1-2-ternate leaves, and compound umbels of white flowers. Bracts 
of the involucre and involucels none, or rarely few and early deciduous. Calyx-teetk obso- 
lete. Petals inflexed at the apex. Stylopodium thick, conic. Fruit ovate-oblong, glabrous, 
somewhat compressed. Carpels obscurely 5-angled, the ribs slender, equal, distant; oil-tubes 
none. [Greek, goat-foot.] 
One or perhaps two species, natives of temperate Europe and Asia. 
1. AEgopodium Podagraria L. Goutweed. Goutwort. Herb-Gerard. 
(Fig. 2702.) 
AEgopodium Podagraria I, Sp. Pl. 
265. 1753: 
Erect, branched, glabrous, 14°-2%4° 
high. Basal and lower leaves long- 
petioled, biternate, the primary divi- 
sionsstalked, the segmentsovate, acute, 
or acuminate at the apex, rounded, or 
cordate and often oblique at the base, 
sharply serrulate, 114/-3/ long; upper 
leaves similar but smaller and usually 
simply ternate; umbels long-pedun- 
cled, 14’-214’ broad, 9~25-rayed; rays 
1’ long in fruit or more; pedicels 2//— 
4’’ long; fruit about 2’” long, scarcely 
1’’ wide, the styles deflected. 
In waste places, Massachusetts to New 
Jersey, Pennsylvania and Delaware. Ad- 
ventive from Europe. Wild or English 
Masterwort, Ax-Ash- or Aise-weed, Dwarf 
or Bishop’s Elder, Bishop’s weed. June-— 
Aug. 
42. HYDROCOTYLE L. Sp. Pl. 234. 1753. 
Perennial herbs, prostrate and commonly rooting at the joints, with palmately lobed or 
veined, often peltate leaves, the bases of the petioles with 2 scale-like stipules, and small 
white flowers in peduncled or sessile simple or proliferous umbels opposite the leaves, 
Bracts of the involucre few and small, or none. Calyx-teeth minute. Petals entire. Disk 
flat. Fruit laterally compressed, orbicular or broader than high. Carpels with 5 primary 
ribs, the lateral ones usually curved; no large oil-tubes, but an oil-bearing layer of tissue 
beneath the epidermis. [Greek, water-cup. ] 
About 75 species of wide distribution. Besides the following another occurs in the Southwest 
and on the Pacific Coast. The species are known as Marsh-, or Water-Pennywort, or Water-cup. 
Leaves nearly orbicular, peltate. 
L/D " 
ay 
y 
Umbels simple, rarely slightly proliferous; pedicels slender. 1. H, umbellata. 
Umbels, at least some of them, proliferous; pedicels, or some of them, short. 
Fruit notched at each end. 2. H. Canbyt. 
Fruit not notched at either end. 3. H. verticillata. 
Leaves nearly orbicular, cordate, or reniform, not peltate. 
Leaves 5-9-lobed; umbels nearly sessile. 4. H. Americana. 
Leaves 3-7-cleft; umbels long-peduncled. 5. H. ranunculoides. 
1. Hydrocotyle umbellata L. Umbellate or 
Many-flowered Marsh-Pennywort. 
(Fig. 2703. ) 
Hydrocotyle umbellata I,. Sp. Pl. 234. 1753. 
Glabrous, stem creeping, several inches long, the 
subterranean branches tuberiferous. Petioles slender, 
erect, or ascending, 1/-6/ long; leaves peltate, orbicular, 
or broader than long, sometimes cordate at the base, 
¥4/-2/ wide, crenately 7-11-lobed, the lobes broad, 
not deep, mostly crenulate; peduncles elongated; 
umbels simple or rarely with a proliferous extension; 
pedicels slender, 2’’-6’’ long; mature fruit notched at 
both ends, 1/’-114’” broad, not quite as long; interme- 
diate ribs corky-thickened; dorsal rib obtuse. 
In swamps and low grounds, eastern Massachusetts to 
Floridaand the West Indies, Minnesota, Texas and Mexico. 
Also in South America and South Africa. June-Sept. 
