Grasses
Our abundant English grasses furnish nutritious herbage and
farinaceous seeds, whilst their stems and leaves prove useful for
textile purposes. Furthermore, some few of them possess distinctive
medicinal virtues, with mucilaginous roots, and may be properly
classed among Herbal Simples.
The Sweet-scented Vernal Grass (Anthoxanthum, with Yellow
Anthers) gives its delightfully characteristic odour to newly
own
meadow hay, and has a pleasant aroma of Woodruff. But it is
specially provocative of hay fever and hay asthma with persons
liable to suffer from these distressing ailments. Accordingly, a
medicinal tincture is made (H.) from this grass with spirit of wine,
and if some of the same is poured into the open hand-palms for the
volatile aroma to be sniffed well into the nose and throat, immediate
relief is afforded during an attack. At the same time three or four
drops of the tincture should be taken as a dose with water, and [242]
repeated at intervals of twenty or thirty minutes, as needed.
The flowers contain coumarin, and their volatile pollen
impregnates the atmosphere in early summer. The sweet perfume is
due chiefly to benzoic acid, such as is used for making scented
pastilles, or Ribbon of Bruges for fumigation.
Again, the Couch Grass, Dog Grass, or Quilch (Triticum repens)
found freely in road-sides, fields, and waste places, has been
employed from remote times as a vulnerary, and to relieve
difficulties of urination. Our English wheat has been evolved
therefrom.
In modern days its infusion--of the root--is generally regarded as a
soothing diuretic, helpful to the bladder and kidneys. Formerly, this
was a popular drink to purify the blood in the Spring. But no special
constituents have been discovered in the root besides a peculiar
sugar, a gum-like principle, triticin, and some lactic acid. The
decoction may be made from the whole fresh plant, or from the
dried root sliced, two to four ounces being put in a quart of water,
reduced to a pint by boiling. A wineglassful of this may be given for
a dose. It certainly palliates irritation of the urinary passages, and
helps to relieve against gravel. A liquid extract is also dispensed by
the druggists, of which from one to two teaspoonfuls are given in
water.
The French specially value this grass for its stimulating fragrancy of
vanilla and rose perfumes in the decoction. They use the Cocksfoot
Grass (Dactylis), or pied de poule, in a similar way, and for the
same purposes.
Also the bearded Darnel, Lolium temulentum (intoxicated), a
common grass-weed in English cornfields, will produce medicinally
all the symptoms of drunkenness. The French call it Ivraie for this
reason, and [243] with us it is known as Ray Grass, or in some
provincial districts as Cheat. The old Sages supposed it to cause
blindness, hence with the Romans, lolio victitare, to live on
Darnel, was a phrase applied to a dim-sighted person. Gerard says,
the new bread wherein Darnell is eaten hot, causeth drunkenness.
From lolium the term Lollard given in reproach to the Waldenses,
and the followers of Wickliffe, indicated that they were pernicious
weeds choking and destroying the pure wheat of the gospel. Milne
says the expression in Matthew xiii. v. 25, would have been better
translated darnel than tares.
A general trembling, followed by inability to walk, hindered speech,
and presently profound sleep, with subsequent headache and
vomiting, are the symptoms produced by Darnel when taken in a
harmful quantity. So that medicinally a tincture of the plant may be
expected, if given in small diluted doses, to quickly dispel
intoxication from alcoholic drinks; also to prove useful for
analogous congestion of the brain coming on as an illness, and for
dimness of vision. Chemically, it contains an acrid fixed oil, and a
yellow glucoside.
There is some reason to suspect that the old custom of using Darnel
to adulterate malt and distilled liquors has not been wholly
abandoned. Farmers in Devonshire are fond of the Ray Grass, which
they call Eaver or Iver; and Devon-ever is noted likewise in
Somersetshire.