The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 380 384), and the like, the acheuium as it matures tapers upwards into a slender beak, like a stalk to the pappus. 361. A Cremocarp (Fig. 385), a name given to the fruit of Umbclli- ferai, consists as it were of a pair nf akeues imitcd com- plciely ra the blossom, but splitiiiig apart when ripe ifT, into the two closed carpels. Each (jf these is a 3Ien- carp or Hemicarp, names seldom used. 362. A Utricle is the same as an akene, but with a thin and bladdery loose pericai-p; like tha
The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 380 384), and the like, the acheuium as it matures tapers upwards into a slender beak, like a stalk to the pappus. 361. A Cremocarp (Fig. 385), a name given to the fruit of Umbclli- ferai, consists as it were of a pair nf akeues imitcd com- plciely ra the blossom, but splitiiiig apart when ripe ifT, into the two closed carpels. Each (jf these is a 3Ien- carp or Hemicarp, names seldom used. 362. A Utricle is the same as an akene, but with a thin and bladdery loose pericai-p; like that of tlic Goosefoot or Pigweed (Fig. 3S6). \Mien ripe il may burst open irregularly to discharge the seed; or it may o|)en by a circular line all round, the ujiper part fall- ing off like a lid ; as in the Amaranth (Fig. 387). 363. A Caryopsis, or Grain, is like an akene with the seed adhering to the thin pericarp throughout, 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 Mayweed (no pappiis). 380. That of Snccory (its pappus a shallow cup). 381. Of Sunflower (jiappus of two deciduous scales). 382. Of Sneezeweed (Heleniuin), with its pappus of five scales. 383. Of Sow-Tlusfle, with its ])appus of delicate downy hairs. 38t. Of the Dandelion, its pappus raised on a long beak. Fig. 385. Fruit (cremocar]i) of Osmorrhiza; the two akene-like ripe carpels sep- aratiiic; at maturity from a slender axis or carpophorse. Fig. 386. Utricle of tlie common Pigweed (riienopodium alt)uni). Fig. 387. Utricle (pyxis) of Amaranth, opening all round (circuniscissile).
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