ACT1N()CAR1*XJS. — SCIIKIICUZKIIIA. 
337 
tom of the water. FI. rather large, white with a yellow spot. — 
Lakes, rare. P. VI 11. 
,3. A. ruminculoides (L.); tl. -stalks umbellate, car/), acute with 
5 angles eolleeted into a globose .squarrose head, 1. linear-laiieco- 
late aeute. — E. B. ,326. R. vii. t. 55. — L. all radieal, on long 
stalks. Flower-stalks from a few in. to 2 feet high, terminating 
in a simple umbel or 2 umbellate whorls of simple peduncles. 
FI. |)ale purple. — /3. repens (Sm.); ])lant depressed, umbels root- 
ing and ])roliferons, tl. larger. A. repens (l)av.) E. B. S. 2/22. 
— 'I'nrfv bogs. /3. Margins of lakes in Wales and Scotland. P. 
VI. VII. Lesser Water-plantain. 
2. Actinocari'us R. Br. 
1. A. Damasonium (li. Br.); stalks with 1 — 3 whorls of fl., 
carj). subulate compressed opening longitudinally, 1. cordate- 
oblong. — E. B. 1()1.5. AlismaHm. Damasoniiirn stellatum Kunth. 
— L. all radical, floating, on long stalks. Pet. white. Carp, large, 
with 2 stalked seeds, 1 from the lower angle erect, the other from 
the upper horizontal. — Ponds and ditches, rare. P. VI. VII. — E. 
3. Sagittaria Linn. Arrowhead. 
1. S. sagittifolia (L.) ; 1. arrowshaped with lanceolate straight 
lobes, fl. -stalk simple, fi. whorled. — E. B. 84. R. vii. t. 53. — 
Stoloniferous ; each runner ending in a tuber. L. remarkably 
arrowshaped, rising above the water. Submersed petioles with- 
out a limb. Fl. white. — Ditches and rivers. P. VIII. E. I. 
Suborder II. Butomece. 
4. Butomus Linn. Flowering-rush. 
I. B. umbellatus (L.). — E. B. 651. R. vii. t. 58. — A beautiful 
plant. F'lower-stalk radical, 2 — 3 feet high, longer than the 
leaves, bearing an irregular many-flowered sim|)le umbel with 
scarious bracts and a membranous 3-leaved involucre. Fl. rose- 
coloured. L. all radical, linear, triangular. — Rivers and ponds. 
P. VI. VII. 
Suborder III. Juncayinea. 
5. ScHEUCHZERiA Linn. 
I. S. palustris (L.). — E. B. 1801. St. 78. 4. — St. 6 — 8 in. 
high, erect. L. distichous, few, alternate, semicylindrical, obtuse, 
with a minute jjore on the upper side at the ape.x. Raceme ter- 
minal of about 5 greenish flowers. Caps, about 3, much inflated. 
a 
