Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 158.—Royal Fern (Osmunda regulis).b. Portion of frond. case should be entirely independent of the soil-box,but to fit the inside, resting in a groove or box should be about 6 in. deep, and may bemade of zinc, brass, or wood lined with gutta-percha. iFig. 159. Scolopendrium vulgare.—Portion of frond. or zinc; but metal of any kind in contact with theearth or air in which plants are grown is not genialto either their roots or foliage. I have always found 174 SCIENCE-GO
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 158.—Royal Fern (Osmunda regulis).b. Portion of frond. case should be entirely independent of the soil-box,but to fit the inside, resting in a groove or box should be about 6 in. deep, and may bemade of zinc, brass, or wood lined with gutta-percha. iFig. 159. Scolopendrium vulgare.—Portion of frond. or zinc; but metal of any kind in contact with theearth or air in which plants are grown is not genialto either their roots or foliage. I have always found 174 SCIENCE-GOSSIP. [August 1,1S66. the plants succeed best in a neatly-made woodenbox lined with pitch, having a small tap or cock inone corner of the bottom, for letting away anyexcess of water; but this will not be necessary ifproper attention is observed in supplying the plantswith a sufficient amount of water atjone time, which,in consequence of little or no evaporation takingplace, will be seldom required. This knowledgecan only be gained by practice; many amateursfailures with Wards cases being caused mostly bygiving too copious waterings at certain stated in-tervals. py$S
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