Abstract

To raise ferns from spores one begins by making mistakes. My worst came from reading, in the Bulletin of Missouri Botanical Garden, that sugar is a good fertilizer for orchid seedlings. If good for orchids, why not for ferns? Their youngsters loiter and need nudging. So I sprinkled granulated sugar-and exterminated a cherished crop. Who would suppose that damping-off lurked in the domestic sugarbowl? The Bulletin said nothing about boiling a syrup. No matter how thinly spores are scattered, nor how irregularly they germinate, the tiny green scales will overcrowd some spots. To thin these I began transplanting with a pin, and later with a ball-pointed pen, but could not see the hairlike rootlets without a strong lens, which was in the way while transplanting. If placed upside-down or on one edge, these all died. But that

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