Annual report of the Board of Regents of the Smithsonian Institution . C3 g M +>*& mj 53 cS o s .si-sa -•as* ?^,2 ft < d a °? S-g <D « o 25 «»«?§, O 03. g (- ?g to m a - CO K-Z< ?O a) o jj IT fl+2 o o ^g^T3 O Q i- Ol III * 2-d -3 T +J O 0J CO O Z --S-S d <i ftR g < ££ (II UJ Z O •HflO* X otf^Q H ® g-Sd S «-3 2 £ 1-Z - § ® c 3 rr DC UJ m hi _1 CQ . >>© a) 5-§s3^3 is .2 § g S — 5 ft© dco o3+ 3 COLD AND GROWTH OF PLANTS—COVILLti. 288 of the same plant. Plants thus treated present a very curious andremarkable appearance, as shown in plates 6 and 7. On Febr
Annual report of the Board of Regents of the Smithsonian Institution . C3 g M +>*& mj 53 cS o s .si-sa -•as* ?^,2 ft < d a °? S-g <D « o 25 «»«?§, O 03. g (- ?g to m a - CO K-Z< ?O a) o jj IT fl+2 o o ^g^T3 O Q i- Ol III * 2-d -3 T +J O 0J CO O Z --S-S d <i ftR g < ££ (II UJ Z O •HflO* X otf^Q H ® g-Sd S «-3 2 £ 1-Z - § ® c 3 rr DC UJ m hi _1 CQ . >>© a) 5-§s3^3 is .2 § g S — 5 ft© dco o3+ 3 COLD AND GROWTH OF PLANTS—COVILLti. 288 of the same plant. Plants thus treated present a very curious andremarkable appearance, as shown in plates 6 and 7. On February 3, 1912, a blueberry plant (pi. 6) 44 inches in height,which had shed its leaves and become dormant in a warm green-house, maintained at a temperature of 60° to 70° F., was subjectedto the following experiment: It was repotted in a 7-inch pot andset in the south end of a greenhouse at the temperature already men-tioned. A small opening was made in the glass, and thro
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
