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114; INTRODUCTION TO BOTANY. Compound, composita. The rays of the peduncles are again subdivided. Daucus vulgaris, Pastinaca, Ammi and many other umbelliferEe. PI. 7, fig. 1. 51 Naked, ?mda. Without any involucra at the base of the rays. Solanum nigrum, Pimpinella major. Involucrated, involucrata. With involucra. Daucus vulgaris. Spathed, spathata. Proceeding from a spathe. Allium. 51 Rounded, sphcBrica. Forming a spherical head of flowers. Allium Itetum. Cepa esculenta. Convex, convexa. Forming a rounded surface. Asclepias Syriaca, Daucus hispida. Fiat, plana. Forming a flat surface. Sphondylium vulgare, Fceniculum vulgare, Imperatoria major. Concave, concava. Forming a concave surface. Daucus vulgare v^^ien in fruit. ^ Loose, laxa. The peduncles at some distance from each other. Athamanta latifolia. Close, conrctata, densa. The peduncles very near each other. Cepa vulgaris, Daucus vulgaris, Hydrocotyle vul- garis. % Few-rayed, pauciradiata, depaiiperata. Having only a few rays. Hydrocotyle vulgaris, Scandix vulgaris. Proliferous, prolifera. If one or more of the peduncles of a simple umbel throw out; one or more umbellules. Hydrocotyle vulgaris. ^ Like-flowered, uniform, simlUflora. All the flowers alike, Sium verticillatum, Imperatoria major. Unlike-flowered, radiant, dlversijiora, radians. The flowers in the centre regular, and those in the circumference irregular, the outside petals being larger than those towards the centre. Tordylium officinale, Co'riandrum sativum. Umbellule. Umbellula. A small partial umbel, being part of a large umlel, andformed by the secondary rays.—Daucus vulgaris, and many other umbellifer£e. PI. 7, fig. 1. BoUgUET. Sertulum. A simple umbel in which the peduncle is only Qltce divided into rays.—Buttomus umbellatus. PI. 8, fig. 2.
INTllODUCTION TO BOTANV. 115 Head. Capltulum, Glomus, Glomerulus, Corymbus Pliny, Caput florum,— cephalum. Flowers collected into a ball, and so close together that at a distance they might he taken for a single Jloiver. Naked, Capitulum nudum. Cephalanthus. Involucrated, involucratum, Gomphrena globosa, Jasione montana. PI. 7, fig. 7. Compound Flower. Calathide, Flos compositus absolute compositus, Anthodium, Cephaknthium, Calathidis. Sessile fioivers, or oiearly sessile, upon a clinanthe, surrounded ly an involucrum. Radiated, Calathidis radiata. Having tubular flowrets in tlie centre, and ligulate flowers at the circumference. Calendula, Helianthus, Bellis, Chrysanthemum. Yloscnlous, Jlosadosa. All the flowrets tubular, both in the centre and the circumference, Carduus, Centaurea, Cynara. Semiflosculous, semijlosculosa, ligulata. All the flowrets ligulate. Taraxacum officinale, Lactuca, Sonchus. % Open, aperta. The involucrum open, so that all the flowrets are visible. Carlina, Hieracium, Helianthus and the other compositae, Scabiosa, Dorstenia. Half open, semi-aperta. The involucrum brought partly over the flowers so as to hide them in some degree. Ambora. Closed, clausa. The involucrum brought entirely over the flowers, so as to leave only a very small opening, and thus hiding them entirely. Ficus. 51 One-flowered, uniflora. Echinops. This is considered as a compound flower from the analogy of its other parts to those of compound flowers in general. Few-flowered, paucijiora. Knautia. Many-flowered, multiflora. Helianthus annuus, Euphorbia, Ficus, Dorstenia. Disk, Discus. The flowrets composing the central part of a compound flower. Rays, Radii. The flowrets composing the circumference of a compound flower. I 2
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114;<br />
INTRODUCTION TO BOTANY.<br />
Compound, composita. The rays of the peduncles are<br />
again subdivided. Daucus vulgaris, Pastinaca, Ammi and<br />
many other umbelliferEe. PI. 7, fig. 1.<br />
51 Naked, ?mda. Without any involucra at the base of<br />
the rays. Solanum nigrum, Pimpinella major.<br />
Involucrated, involucrata. With involucra. Daucus<br />
vulgaris.<br />
Spathed, spathata. Proceeding from a spathe. Allium.<br />
51 Rounded, sphcBrica. Forming a spherical head of<br />
flowers. Allium Itetum. Cepa esculenta.<br />
Convex, convexa. Forming a rounded surface. Asclepias<br />
Syriaca, Daucus hispida.<br />
Fiat, plana. Forming a flat surface. Sphondylium vulgare,<br />
Fceniculum vulgare, Imperatoria major.<br />
Concave, concava. Forming a concave surface. Daucus<br />
vulgare v^^ien in fruit.<br />
^ Loose, laxa. The peduncles at some distance from<br />
each other. Athamanta latifolia.<br />
Close, conrctata, densa. The peduncles very near each<br />
other. Cepa vulgaris, Daucus vulgaris, Hydrocotyle vul-<br />
garis.<br />
% Few-rayed, pauciradiata, depaiiperata. Having only a<br />
few rays. Hydrocotyle vulgaris, Scandix vulgaris.<br />
Proliferous, prolifera. If one or more of the peduncles<br />
of a simple umbel throw out; one or more umbellules. Hydrocotyle<br />
vulgaris.<br />
^ Like-flowered, uniform, simlUflora. All the flowers<br />
alike, Sium verticillatum, Imperatoria major.<br />
Unlike-flowered, radiant, dlversijiora, radians. The<br />
flowers in the centre regular, and those in the circumference<br />
irregular, the outside petals being larger than those<br />
towards the centre. Tordylium officinale, Co'riandrum<br />
sativum.<br />
Umbellule.<br />
Umbellula. A small partial umbel, being part of a large<br />
umlel, andformed by the secondary rays.—Daucus vulgaris,<br />
and many other umbellifer£e. PI. 7, fig. 1.<br />
BoUgUET.<br />
Sertulum. A simple umbel in which the peduncle is only<br />
Qltce divided into rays.—Buttomus umbellatus. PI. 8, fig. 2.