470 xcix. ALiSMACF.yE. \_Aclinocdrpus. 
1. Actixocarpus. Flowers perfect. Stam. 6. Carpels 6 — 8, spreading. 
each 2-seeded. 
2. Alisma. Flowers perfect. Stam. 6. Carpels numerous, each 1- 
seeded. 
3. Sagittaria. Flowers monoecious. Stam. numerous. Carpels nume- 
rous, each d -seeded. 
1. Actinocarpus Br. Star-fruit. Thrumwort. 
Flowers perfect. Stamens 6. Styles 6 — 8. Capsules inde- 
hiscent, combined at the base, spreading in a radiated manner, 
2-seeded. — Named from atcnv, a ray, and Kapjrog , a fruit; in 
reference to its curiously radiated fruit, resembling a star-fish. 
1. A. Damasdnium Br. ( common S. or T.) ; capsules 6 su- 
bulate compressed opening longitudinally, leaves 5-nerved. 
Alisma L. : E. B. t. 1615. Damasonium stellatum Pers. 
Ditches and pools, mostly on a gravelly soil, and chiefly in the 
middle and south-eastern counties of England. If.. 6,7. — Leaves 
radical, on long petioles, floating, elliptical. Scapes with a terminal 
vmbel, generally proliferous. Inner sepals obcordate, white, with a 
yellow spot at the base. Capsules with two seeds upon evident stalks, 
one horizontal from the upper angle, the other erect from the lower 
angle of the axis, oblong, tubercled, and transversely striate, com- 
pressed, with a deep furrow on each side. 
2. Alisma Linn. Water-Plantain. 
Flowers perfect. Stamens 6. Styles numerous. Achenes 
many in ahead, distinct, one-seeded. — Named from alis, Celtic, 
water; the genus is altogether aquatic. 
1. A. Plantdgo L. {greater W.) ; leaves all radical corda- 
to-ovate or lanceolate, scape panicled with whorled compound 
branches, heads of fruit depressed, achenes obtuse with a 
small rib on the back. — a. leaves broader more or less ovate. 
E. B. t. 837. — (3. leaves lanceolate tapering below. A. 
lanceolata With. 
Near the margins of lakes, rivers, and ditches, frequent. If. . 6 — 8. 
Plant 2 3 feet high. Leaves on long stalks. Scape branched up- 
wards ; branches bracteate ; Jlowers of a pale rose-colour. 
2. A. ranunculoides L. ( lesser IF.) ; leaves all radical linear- 
lanceolate, scape with simple branches in 1 or 2 whorls, heads 
of fruit globose squarrose, achenes obliquely ovate acute with 
4 — 5 prominent ribs. — a. erect. E. B. t. 326. — ft. procum- 
bent, umbels rooting and leafy. A. repens “ Davies Welsh 
Bat. 36 ” : E. B. S. t. 2722. 
Ditches and turfy bogs, not unfrequent in England, Scotland, and 
Ireland. — 0. In lakes, North Wales. If.. 5 — 9. — In general appear- 
ance allied to the preceding, especially the narrow-leafed variety of 
that plant, but much smaller, with larger flowers, which are arranged 
