. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. Reprinted from Deeeinher, 1933, American Orchid Society Bulletin Native Orchids Our Eastern Orchids and Their Cultivation 4. The Spurred Orchids (Orchis and Habenaria)* Edgar T. Wherry i i The orchids of this group are quite as difficult to transplant as the most intractable of the Cypripediums, already discussed in preceding ar- ticles. Dealers sell them, to be sure, in large numbers, but in most cases the result is simply wild flow- er destruction; usually they fail to come up at all the following year, or if they do man
. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. Reprinted from Deeeinher, 1933, American Orchid Society Bulletin Native Orchids Our Eastern Orchids and Their Cultivation 4. The Spurred Orchids (Orchis and Habenaria)* Edgar T. Wherry i i The orchids of this group are quite as difficult to transplant as the most intractable of the Cypripediums, already discussed in preceding ar- ticles. Dealers sell them, to be sure, in large numbers, but in most cases the result is simply wild flow- er destruction; usually they fail to come up at all the following year, or if they do manage to pull through, they die immediately after blooming. The root-systems of these plants consist of radiating clusters of elongated tuberoids, one of which is a rootstock, bearing at some point along its upper surface the bud which is to grow into the next year's plant. The simple tuber- oids will wither away at the close of each season in any case, so in- jury to them does no particular harm. Injury to the bud-bearing one, however, may permit the in- vasion of parasites, and result in the death of that individual. The aver- age commercial collector yanks the leafy stalks out of the tough mass of peaty material through which the orchid's root-system spreads, as likely as not breaking oflf the bud in the process. He then hacks off the ends of both kinds of tuberoids indiscriminately, so it is small won- der that the mortality among pur- chased stock is high. If these orchids are to be trans- planted Avith any degree of success, they should be collected by the ex- perimenter personally. The approxi- mate root-spread of the particular species should be ascertained in ad- vance, and the digging implement ^Contribution from the Botanical Laboratory and Morris Arboretum of the University ot //'//(/ VUnver Presentation Society Orchis spcctahUis Pierce Mill Wowls, D. C. inserted far enough out from the crown to avoid cutting even the longest tuberoids. The ball of eart
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