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Updated: July 24, 2025
Flowers about 2½ inches across, produced abundantly in August; rays narrow and pointed, cupped, with the ends turning outward; leaves lanceolate and sessile; rootstock creeping, forming tuberous thickenings at the base of the stems, which Asa Gray tells us were "the Indian potato of the Assiniboine tribe," mentioned by Douglas, who called the plant H. tuberosus. H. maximiliani.
One might represent the germ-plasm by the metaphor of a long, creeping rootstock from which plants arise at intervals, these latter representing the individuals of successive generations.
They also produce buds in the axils of these scales, showing the scales to be leaves; whereas real roots bear neither leaves nor axillary buds." Rootstocks are often stored with nourishment. We have already taken up this subject in the potato, but it is well to repeat the distinction between stems and roots. A thick, short rootstock provided with buds, like the potato, is called a tuber.
It is a perennial grass, reproducing by a stout rootstock, which makes it somewhat difficult to eradicate when it is not desired. It is desirable to keep stock off the fields during the first year to get a good stand. Black Medic. Will you kindly name the enclosed; also explain its value as forage! The plant is black medic.
Relying upon this conclusion we infer that all of the three elementary species have umbels, some pedunculate and the others not. On this point they agree with the majority of the allied species in the genus and in other genera, as for instance in Androsace. Hence the conclusion that the common ancestors were perennial plants with a rootstock bearing their flowers in umbels or whorls on scapes.
It looks no more likely than that the "ground-pine" which is taller than the seedling and fully as sturdy should some day be 200 feet tall. Yet the ground-pine may grow from its creeping rootstock for a thousand years in the shade of one grove and never be over a foot tall. Thus easily may we be deceived by small beginnings.
It is long, more or less thickened and here and there is a circular scar which marks the place from which former stems have arisen. When these leaf-bearing stems die down they leave on this rootstock down in the ground, a record of their having lived.
Anemone nemorosa, wood anemone, and A. Pulsatilla, Pasque-flower, occur in Britain; the latter is found on chalk downs and limestone pastures in some of the more southern and eastern counties. The plants are perennial herbs with an underground rootstock, and radical, more or less deeply cut, leaves.
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