Seeds crowned with a silky down. Would form a fine plant
for the garden.
The four other species, coloratum, and lineare, Mulil., molle,
T ., palustre, L ., have few attractions.
G aura. L. 8. IS
G. biennis. L. A showy plant with terminal spikes of sessile,
dark rose-colored flowers on a hairy, purplish, herbaceous, erect
stem, with alternate, lanceolate, toothed leaves. Differs from
an Epilobium in the tube formed by the calyx being obovate, and
the seeds having no pappus. Found by G. B. Emerson in
Brookline.
ORDER 48. HALORAGEiE.
So called from the genus Haloragis, which grows in the eastern
Archipelago.
Floral envelopes minute, superior ; stamens inserted, with the
petals,- on the calyx, which is permanent on the ovary of one or
more cells ; leaves of various positions ; flowers axillary, sessile,
some are monoecious, or dioecious. Have no important properties
; some are mere weeds ; spread widely over the earth.
M tr iophyl lum . L. 20. 12.
JR. spicatum. L. Spiked Water Millfoil. Stem long, rising
through the water, and projecting the spike of whorled and naked
flowers above the surface ; leaves immersed, whorled, capillary-
pinnate ; 3 bracts to each flower, the middle one largest; petals
oblong, obtuse, brownish-green, caducous ; flowers in July and
August; grows in ponds and deep still waters.
JR. tenellum, Big., is found at the pond in Tewksbury.
JR. procumbens, Big., found at Danvers by Dr. Nichols.
Both these species were investigated by Dr. Bigelow, are
rather small and singular plants, and grow in the mud of ponds.
JR. verticellatum. L. Water Millfoil. Grows also in water.
with whorled pinnate leaves, and the terminal spike leafy ; flowers
in July. The flowers are sometimes perfect.
JR. ambiguum. Nutt. Floating Millfoil. Stem 2 - 4 feet
high, erect, floating in large collections, dichotomous ; immersed
leaves capillary, emerged leaves pectinate ; flowers axillary, solitary,
sessile ; blossoms in July ; found near New Bedford.
P roserpinaca. L. 3. 3. Mermaid Weed.
Two species, P. palustris, L., and P. peetinata, Lam., grow
in wet grounds, and round marshy places ; the former has lanceolate-
linear leaves, and the latter pectinate leaves ; flower in July and
August.
Anotjier genus, Hippuris, closely related to Myriopbyllum, and
found in the State of New York, is probably yet to be detected
in our ponds, It is called JWare’s Tail, from its peculiar form.
ORDER 49. CIRCJEACEiE.
Calyx tubular, with a 2-parted limb, deciduous ; petals 2, and
stamens 2 on the calyx; ovary inferior and 2-celled; leaves
opposite and toothed ; flowers in racemes. No valuable properties.
Only one genus.
C irc.e a . L . 2. 1. Enchanter’s Night Shade.
Two species, Jllpina, L ., and Luletiana, L ., are common in
moist places along hedges, in rather cold soil, and loving shaded
places. They have received an English name, as if they had
some importance ; common to Europe and America.
Named after Circe, the famous enchantress of old.
ORDER 51. LOASEiE.
A 5-parted calyx, with 5 or 10 petals ; stamens indefinite ;
style 1 ; ovary superior or inferior ; herbaceous, hispid, with
pungent hairs, secreting an acrid ju ic e ; peduncles axillary,
1-flowered. No known properties, and nothing remarkable, ex-
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