41. Hieracium ramosum, floribus amplis, calycibus valde hirsutis, foliis oblongis obtusis: dentibus majoribus inæqualibus incisis Raii Suppl. 144. 76. Hypochæris Achyrophorus Sp. pl. 810. This plant opens its flowers about seven or eight in the morning, and closes them about two in the afternoon.
42. Hieracium minus dentis leonis folio, oblongo glabro C. B. pin. 127. Hypochæris glabra Sp. pl. 811. These expand about nine in the morning, and close about twelve or one o’clock.
43. Hieracium falcatum alterum Raii Hist. 256. Lapsana calycibus fructus undique patentibus, radiis subulatis, foliis lyratis Hort. Ups. 245. Sp. pl. 812. The flowers open at five or six, and close between the hours of ten and one.
44. Hedypnois annua Tourn. Inst. 478. Hyoseris hedypnois Sp. pl. 809. The flowers open at seven or eight, and close again at two in the afternoon.
45. Hieracium montanum alterum leptomacrocaulon Col. Raii Hist. 234. Lapsana chondrilloides Sp. pl. 812. Mountain Hawkweed with long slender stalks and small flowers. The flowers are in their expanded or vigilating state from five or six in the morning till about ten.
46. Cichoreum sylvestre Ger. em. 284. Raii Syn. 172. Cichorium Intybus Sp. pl. 813. Wild Succory. On the borders of fields, flowering in August and September. The flowers open about eight in the forenoon, and keep expanded till about four in the afternoon.
47. Calendula arvensis C. B. pin. 275. Raii Hist. 338. Calendula officinalis Sp. pl. 921. Wild Marigold. The flowers expand from nine in the morning till three in the afternoon.
48. Calendula foliis dentatis Roy. Ludg. 177. Miller, p. 50. Tab. 75. f. 1. Calendula pluvialis Sp. pl. 921. Marigold with indented leaves. The flowers expand from seven in the morning till three or four in the afternoon. Linnæus observes of this plant, that if its flowers do not expand about their usual time in the morning, it will almost assuredly rain that day; with this restriction indeed, that the plant is not affected by thunder showers. Phil. Bot. 275.
49. Sonchus pedunculis squamatis, foliis lanceolatis indivisis sessilibus. Hort. Upsal. 244. Flor. Suec. 2. Nº. 690. Lactuca Salicis folio, flore cæruleo. Amman. ruth. 211. Of this plant it is remarked, that whenever the flowers are in the expanded state in the night-time, the following day generally proves rainy.