A systematic arrangement of British plants / by W. Withering ; corrected and condensed ; preceded by instructions adapted for persons commencing the study of botany ; accompanied with figures by William MacGillivray.

  • Withering, William, 1741-1799.
Date:
1848
Catalogue details

Licence: Public Domain Mark

Credit: A systematic arrangement of British plants / by W. Withering ; corrected and condensed ; preceded by instructions adapted for persons commencing the study of botany ; accompanied with figures by William MacGillivray. Source: Wellcome Collection.

    449/472 (page 421)
    é petals. Ovary of several cells, with a central placenta, style one, filiform ; stigma capitate or lobed. Fruit a berry or capsule with four cells. 1. Epilobium, 181, 182. 3. Isnardia, 96, 104. 2. Cknothera, 181, 182. 4. Circa, 49, 56. Order XXX. HALORAGEZ. Calyx tubular, adnate with the ovary, its limb minute. Petals minute, from the mouth of the calyx, or none. Stamens inserted with the petals, equal in number to its lobes, or twice as many. Ovary with one or more cells. Fruit dry, indehiscent, with one or several cells. Seed solitary, pendulous, 1, Myriophyllum, 344, 361. 2. Callitriche, 45, 48. 3. Hippuris, 45, 46. Order XXXI, CERATOPHYLLEX. Flowers moneecious. Perianth single, free, in many divisions. Anthers from twelve to twenty, two-celled, two-pointed. Ovary free, one-celled, with one pendulous seed. 1. Ceratophyllum, 344, 361. Order XXXII. CUCURBITACE. Flowers often moneecious or diecious. Calyx five-toothed, its tube adnate to the ovary. Corolla five-cleft, often scarcely distin- guishable from the calyx, frequently reticulated. Stamens five, often more or less coherent, anthers tortuous. Ovary with from three to five cells, or one-celled, with parietal placentas, style short, stigmas lobed, thick. Fruit fleshy, seeds flat, in a juicy arillus. 1. Bryonia, 344, 360. Order XXXII. PORTULACEZ. Sepals two, rarely three, or five, coherent at the base, imbricate. Petals generally five, from the base of the calyx. Stamens nume- rous, inserted along with the petals, filaments distinct. Ovary one-celled, style one or none, stigmas several. Capsule opening transversely by three valves, with a central placenta. 1. Montia, 64, 94, Order XXXIV. PARONYCHIE. Sepals five, rarely three or four, coherent at the base. Petals minute, ornone. Stamens indefinite, opposite the sepals, fila- ments generally distinct. Ovary free, styles two or three. Fruit dry, three-valved, or indehiscent, with a central placenta. 1. Corrigiola, 114, 159. 3. Polycarpon, 61, 95. 2. Herniaria, 112, 136. 4, Scleranthus, 192, 198. 3. Illecebrum, 111, 134, Order XXXV. CRASSULACE. Sepals from three to twenty, united at the base. Petals the same number, regular, generally free, inserted at the base of the calyx. 2N 2