. Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 114.—Wings of Samara, brown on Sept. 4, iS. Fig. 115.—Samara of Sycamore (in situ Feb. 19, 1885J:n, samara; />, pistil, c, peduncle ; d, capsule; e, pteridion- pink near the hilum, and a furry haze of microscopicrootlets appears. Growth then proceeds March 7 the seed-leaves or cotyledons are visible,and the head of the capsule, lined with fine hair{simarre), ruptures along its proper lines. In a fewmore days (March 11), the cotyledons, which arecarefully wrapped
. Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 114.—Wings of Samara, brown on Sept. 4, iS. Fig. 115.—Samara of Sycamore (in situ Feb. 19, 1885J:n, samara; />, pistil, c, peduncle ; d, capsule; e, pteridion- pink near the hilum, and a furry haze of microscopicrootlets appears. Growth then proceeds March 7 the seed-leaves or cotyledons are visible,and the head of the capsule, lined with fine hair{simarre), ruptures along its proper lines. In a fewmore days (March 11), the cotyledons, which arecarefully wrapped up in a tunic, are free and creased,and the capsule and tunic are no longer method of folding the cotyledons is very are folded up so as to occupy least space, HARDWICKES SCIENCE-GOSSIP. 181 first fold in half and then in half again, like a ribbonreduplicate, and not coiled round {circinate), like afern-frond, which grows later in the season, andrequires less protection. By March 18 independentexistence begins, and the young sycamore is possessedof two green cotyledons, a pink stem, a tap-root, androotlets. This is the most dan
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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience
