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NATURALISTS CALENDAR.
| WHITE. | MARKWICK. | |
| Creeping water parsnep (siurn nodiflorum) fl. | July 20 | July 10, Sept. 11. |
| Common spurrey (spergula arvensis) fl. | July 21. | Apr. 10, July 16. |
| Wild clover (trifolium pratense) fl. | July 21. | May 2, June 7. |
| Buckwheat (polygonum fagopyrum) fl. | July 21. | June 27, July 10. |
| Wheat harvest begins | July 21, Aug. 23 | July 11, Aug. 26. |
| Great burr-reed (sparganium erectum) fl. | July 22 | June 10, July 23. |
| Marsh St. John's-wort (hypericum elodes) fl. | July 22–31. | June 16, Aug. 10. |
| Sun-dew (drosera rotundifolia) fl. | July 22. | Aug. 1. |
| March cinquefoil (comarum palustre) fl. | July 22 | May 27, July 12. |
| Wild cherries ripe | July 22. | |
| Lancashire asphodel (anthericum ossifragum) fl. | July 22. | June 31, July 29. |
| Hooded willow-herb (scutellaria galericulata) fl. | July 23. | June 2, July 31. |
| Water dropwort (cenanthe fistulos.) fl. | July 23. | |
| Horehound (marrubium vulg) fl. | July 23. | |
| Seseli caruifol. fl. | July 24. | |
| Water plantain (alisma plantago) fl. | July 24. | May 1, July 31. |
| Alopecurus myosuroides, fl. | July 25. | |
| Virgin's bower (clematis vitalba) fl. | July 25, Aug. 9. | July 13, Aug. 14. |
| Bees kill the drones | July 25. | |
| Teasel (dipsacus sylvestris) fl. | July 26. | July 16, Aug. 3. |
| Wild marjoram (origanum vulgare) fl. | July 26. | July 17, Aug. 29. |
| Swifts (hirundo apus) begin to depart | July 27–29. | Aug. 5. |
| Small wild teasel (dipsacus pilosus) fl. | July 28, 29 | |
| Wood sage (teucrium scorodonia) fl. | July 28. | June 17, July 24. |
| Everlasting pea (lathyrus latifolius) fl. | July 28. | June 20, July 30. |
| Trailing St. John's-wort (hypericum humifusum) fl. | July 29 | May 20, June 22. |
| White hellebore (veratrum album) fl. | July 30. | July 18–22. |
| Camomile (anthemis nobilis) fl. | July 30. | June 21, Aug. 20. |
| Lesser field scabious (scabiosa columbaria) fl. | July 30. | July 13, Aug. 9. |
| Sun-flower (helianthus multiflorus) fl. | July 31, Aug. 6 | July 4, Aug. 22. |
| Yellow loosestrife (lysimachia vulgaris) fl. | July 31. | July 2, Aug. 7. |
| Swift (hirundo apus) last seen | July 31, Aug. 27. | Aug. 11. |
| Oats (avena sativa) cut | Aug. 1–16. | July 26, Aug. 19. |
| Barley (hordeum sativum) cut | Aug. 1–26. | July 27, Sept. 4. |
| Lesser hooded willow-herb (scutellaria minor) fl. | Aug. 1. | Aug. 8, Sept. 7. |
| Middle fleabane (inula disinterica) fl. | Aug. 2. | July 7, Aug. 3. |
| Apis manicata, ap. | Aug. 2. | |
| Swallow-tailed butterfly (papilio machaon) ap. | Aug. 2. | Apr. 20, June 7, last seen Aug. 28. |
| Whame or burrel-fly (œstrus bovis) lays eggs on horses | Aug. 3–19. | |
| Sow thistle (sonchus arvensis) fl. | Aug. 3. | June 17, July 21. |
| Plantain fritillary (papilio cinxia) ap. | Aug. 3. | |
| Yellow succory (picris hieracioides) fl. | Aug. 4 | June 6–25. |
| Musca mystacea, ap. | ||
| Canterbury bells (campanula medium) fl. | Aug. 5. | June 5, Aug. 11. |
| Mentha longifol. fl. | Aug. 5. | |
| Carline thistle (carlina vulgaris) fl. | Aug. 7. | July 21, Aug 18. |
| Venetian sumach (rhus cotinus) fl. | Aug. 7. | June 5, July 20. |
| Ptinus pectinicornis, ap. | Aug. 7. | |
| Burdock (arctium lappa) fl. | Aug. 8. | June 17, Aug. 4. |
| Fell-wort (gentiana amarella) fl. | Aug. 8, Sept. 3. | |
| Wormwood (artemisia absinthium) fl. | Aug. 8. | July 22, Aug. 21. |
| Mugwort (artemisia vulgaris) fl. | Aug. 8. | July 9, Aug. 10. |
| St. Barnaby's thistle (centauria solstit.) fl | Aug. 10. | |
| Meadow saffron (colchicum autumnale) fl. | Aug. 10, Sept. 13 | Aug. 15, Sept. 29. |
