. The elements of botany for beginners and for schools. Botany. 386 3S4), and the like, the achenium as it matures tapers upwards into a sleudei beak, like a stalk to the pappus. 361. A Cremocarp (Fig. 385), a name given to the fruit of Umbelli ferae, consists as it were of a pair of akenes united com- pletely in the blossom, but splitting apart when ripe into the two closed carpels. Each of these is a Meri- carp or Ilemicarp, names seldom used. 362. A Utricle is the same as an akene, but with a thhi and bladdery loose pericarp; like that of the Goosefoot or Pigweed (Fig. 386). When ripe it ma
. The elements of botany for beginners and for schools. Botany. 386 3S4), and the like, the achenium as it matures tapers upwards into a sleudei beak, like a stalk to the pappus. 361. A Cremocarp (Fig. 385), a name given to the fruit of Umbelli ferae, consists as it were of a pair of akenes united com- pletely in the blossom, but splitting apart when ripe into the two closed carpels. Each of these is a Meri- carp or Ilemicarp, names seldom used. 362. A Utricle is the same as an akene, but with a thhi and bladdery loose pericarp; like that of the Goosefoot or Pigweed (Fig. 386). When ripe it may burst open in-egularly to discharge the seed; or it may t\\\ oj)en by a circular line all round, the upper part fall- ^ ' ^ iug off hke a lid; as in the Amaranth (Fig. 387). 363. A Caryopsis, or Grain, is like an akene with the seed adhering to (he thin pericarp tiiroughout, so that fruit and seed are incorporated into one body; as in wheat, Indian corn, and other kinds of grain. 364. A Nut is a dry and indehiscent fruit, commonly one-celled and one- Fig. .379. Akene of ITayweed (no pappus). 380. That of Succory (its pappus a shallow cup). 381. Of Sunflower (pappus of two deciduous scales). 382. Of Sneezeweed (Heleniuin), with it^s pappus of five scales. 383. Of Sow-Thistle, with its pappus of delicate downy hairs. 384. Of the Dandelion, its pappus raised on a long beak. Fig. 385. Fruit (cremocarp) of Osmorrliiza; the two akene-like ripe carpels sep- arating at maturity from a slender axis or carpophorse. Fig. 386. Utricle of the common Pigweed (Chenopodium album). FiQ. 387. Utricle (pyxis) of Amaranth, opening all round (circumscissUe).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gray, Asa, 1810-1888. New York American Book Co
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Keywords: ., bookpublishernewyorkamericanboo, booksubjectbotany, bookyear1887
