Identifier: nonperennialmedi267mcke (find matches)
Title: Nonperennial medicagos: the agronomic value and botanical relationship of the species
Year: 1913 (1910s)
Authors: McKee, Roland Ricker, Percy Leroy, b. 1878
Subjects: Medicago
Publisher: Washington, G.P.O.
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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the type as could be found) were saved for future com-parison. In the descriptive records of the plants the following pointswere observed: (1) Pubescence, (2) leaf markings, (3) size andcolor of leaflets, (4) size and number of flowers, (5) size, color, andshape of stems, and (6) general notes. Besides descriptive notes5typical burs produced in each season were saved, together with her-barium specimens of most of them, so that comparison of any varia-tion in the progeny from the original selections could be noted. 267 Bu!. 267, Bureau of Plant Industry, \J. S. Dept. of Agriculture. Plate III # * & % • ^ * m • • 9R flP- # 0 Pods of Ten Species ofMedicago. Top row, if. araMca and if. hispida denbieulaia; second row, If. hispida confinis andJ/, hispida terebeUum; third row, If. murirafoand M. hispida nigra; fourth row, M.ciliaris and M. echinus; bottom row, M. scuteUata and M. orbicularis. (Naturalsize.) Jul. 267. Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate IV.
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Branch of Medicago murex (No. 0147), Showing Variation in Character of Pods. VARIATION IX THE BURS OF DIFFERENT SPECIES. 21 The plants have been grown each year in T-inch pots. The plant-ings have been made each year in the fall, and the first year (1908-9)the plants were carried through the winter in a cool greenhouse. Thesecond year (1909-10) the plants were carried through the winterin an ordinary lath house, and the third year (1910-11) in a glass-covered lath house. Every year in the spring the pots were plungedin soil to their entire depth and allowed to remain in the lath houseuntil the seed was mature. VARIATION IN MEDICAGO MUREX. From plantings made in the fall of 1908 a very marked variationoccurred in two selections (F. C. I. Xo. 0147 and S. P. I.1 Xo, 16875)which had been received under the names Medicago polycarpa andM. murex, respectively. A single plant of each produced burs vary-ing not only in shape, but ranging from spineless to forms havingmany medium-sized stout sp

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