206 
XLV. UMBELLIFERyE 
Calyx-teeth none. 
Fruit ovoid or oblong, about in. 
Flowers red. Leaf-segments linear 
Flowers white or yellow-green. Leaf-seg- 
ments lanceolate .... 
Fruit cylindric, i in. long 
Fruit bristly (see also 8. Anthriscus). 
Bristles scattered, minute. Fruit |— § in. long 
Bristles dense, long, curved. Fruit in. long 
Fruit smooth or minutely bristly, cylindric, J 
in. Ridges obscure ..... 
3. Vicatia. 
5. Pimpinella. 
7. Chcerophyllum. 
6. Osmorhiza. 
14. Gaucalis. 
8. Anthriscus . 
1. HYDROCOTYLE. From the Greek hydor, water, and 
cotyle, a cnp, referring to the cnp-shaped leaves of H. vulgaris 
(Britain, Marsh Pennywort), sometimes containing water. — 
Temperate and tropical regions. 
Small herbs growing in wet or marshy places ; stems prostrate, 
rooting at the joints. Leaves orbicular or kidney-shaped, crenate, 
often lobed, usually long-stalked ; stipules small, scarious. Um- 
bels axillary, simple, small, head-like, stalked or nearly sessile. 
Bracts few or none. Flowers minute. Calyx-teeth none. Fruit 
orbicular or oblong, flattened, very small. 
Leaves rough, bristly. Flowers 30-40 in a head . . 1. H. jctvanica. 
Leaves smooth, glabrous. Flowers 10 or fewer in a head. 
Leaves orbicular, p-1 i n * across, 5-7-lobed . 2. H. rotundifolia. 
Leaves kidney- shaped, f-2 in. across, not lobed . 3. H. asiatica. 
1. Hydrocotyle javanica, Thunb. ; FI. Br. Ind. ii. 667. Leaves 
rough, bristly, orbicular, 1-3 in. across, deeply cordate, 7-lobed, 
crenate. Umbels globose. Bracts none. Flowers 30-40 in an 
umbel, yellow-green, crowded. 
Valleys below Simla ; July. — Temperate Himalaya, 2000-8000 ft. — Tropical 
Asia, Australia. 
2. Hydrocotyle rotundifolia, Roxb. ; FI. Br. Ind. ii. 668. 
Leaves glabrous, shining, orbicular, J-l in. across, deeply cordate 
or peltate, 5-7-lobed, crenate. Umbels small. Bracts few, small. 
Flowers about 10 in an umbel, green-white, crowded. 
Valleys below Simla ; April- July. — Throughout India, ascending to 7000 ft. 
— Tropical Asia. 
3. Hydrocotyle asiatica, Linn. ; FI. Br. Ind. ii. 669. Leaves 
glabrous, kidney-shaped, f-2 in. across, crenate, not lobed. 
Umbels small, sometimes clustered. Bracts few, small. Flowers 
3 or 4 in an umbel, purple- white. 
Sutlej valley, Suni ; April, May. — Throughout India, ascending to 3000 ft. 
— Tropical and subtropical regions. 
