116 30. HALORAGACE. 
3. Iswarpia Linn. 
1. I. palustris (L.); st. procumbent rooting glabrous, 1. oppo- 
site ovate acute narrowed into a petiole, fl. axillary solitary ses- 
sile without petals —E. B. S. 2593. St. 22. 3.—St. 6—8 in. 
long, round, branching, often reddish. Fl. with 2 small bracts at 
the base. Caps. ovate, obtusely quadrangular with the persistent 
calyx spreading horizontally—Pools and marshes. Buxted, 
Suss. Petersfield and Brokenhurst, Hants. Jersey. A. VI. E. 
4, Circaa Linn. 
1. C. lutetiana (L.); 1. ovate or slightly cordate below repand- 
denticulate opaque, petioles subterete, bracteoles 0, pet. deeply 
emarginate, lobes broadly obovate, cal. hairy, ovary 2-celled, fr. 
broadly obovate.—E. B. 1056. St. 23: 1—Pet. as long as the 
herbaceous sepals, broad below. Fr. persistent.—Woods and 
hedge-banks. P. VI.—VIII. Enchanter’s Nightshade. 
2. C. alpina (L.); 1. cordate acuminate repand-dentate shin- 
ing, petioles flat with membranous wings, bracteoles setaceous, 
pet. bifid, lobes oblong, cal. glabrous, ovary 1-celled.—E. B. 1057. 
St. 23. 2.—Usually glabrous. Pet. shorter than the membra- 
nous sepals, narrow below. Fr. soon fallmg. Bracteoles deci- 
duous.—8. C. intermedia (Ehrh.); fl. larger, sep. less membra- 
nous equalling the petals. Whole plant much larger.—Woods 
and thickets in mountainous districts. P. VII. VIII. 
Order XXX. HALORAGACEA. 
Cal. adnate with the ovary, limb minute. Pet. minute, from 
the throat of the calyx. Stam. 1—8 inserted with the petals. 
Ovary of 1 or more cells. Styles equal in number to the cells. 
Fruit dry, not bursting, usually crowned with the rm of the 
calyx. Seed pendulous with a small quantity of albumen. 
1. MyriopHyitium. Moneecious. Cal. 4-parted. Pet. 4, 
fugitive, longer than the calyx in the male, small and re- 
flexed or 0 in the female. Stam.8. Styles 4,villose. Fr. 
tetragonal, separable into 4 hard nuts.—G. F. G. Monochl. 3. 
2. Hirppuris. Calyx-limb very minute, obsoletely 2-lobed. 
Pet. 0. Stam. 1. Style filiform. Stigma simple, acute. 
Fruit a 1-celled nut.—G. F. G. Monochl. 2. 
1. Myriopuytium Linn. Water Milfoil. 
1. M. verticillatum (L.); fl. all axillary whorled, bracts pin- 
natifid —E. B. 218.—L. whorled, pinnatifidly divided into se- 
taceous segments. Bracts more or less longer than the flowers, 
