rass, Lob - - - Bromus secalinus.
675. ----- Bearded Oat - - Acena fatua.
676. ----- Field Foxtail - Alopecurus agrestis.
677. ----- Darnel - - - Lolium temulentum.
678. Groundsel, common - - Senecio vulgaris.
679. Wall Barley - - - Hordeum murinum.
680. Mallow, common - - - Malva sylvestris.
681. Mayweed, stinking - - Anthemis Cotula.
682. Melilot - - - Trifolium officinale.
683. Mustard, white - - - Sinapis alba.
684. -------, hedge - - - Erysimum Barbarea.
685. Nettle, Stinging, small - Urtica urens.
686. ------, Dead - - - Lamium albium.
687. Nipplewort - - - Lapsana communis.
688. Orach, wild - - - Atriplex hastata.
689. -----, spreading - - -------- patulata.
690. Pilewort - - - Ranunculus ficaria.
691. Persicaria, spotted-leaved Polygonum Ficaria.
692. ----------, pale-flowered --------- pensylvanicum.
693. ----------, climbing - --------- Convolvulus.
694. Pheasant-eye - - - Adonis autumnalis.
695. Poppy, common red - - Papaver Rhoeas.
696. Poppy, long rough-headed - Papaver Argemone.
697. Radish, wild - - - Raphanus Raphanistrum.
698. Shepherd's Needle - - Scandix Pecten Veneris.
699. Spearwort - - - Ranunculus Flammula.
700. Spurry, Corn - - - Spergula arvensis.
701. Thistle, Spear - - - Carduus lanceolatus.
702. ------- Star - - - Centaurea Calcitrapa.
703. ------- Marsh - - - Carduus palustris.
704. ------- Dwarf - - - ------- acaulis.
705. Tine Tare, smooth-podded - Ervum tetraspermum.

* * * * *

Creeping-rooted Weeds.

The following are such as are perennial, and are of the most troublesome
nature, being xtremely difficult to get rid of in consequence of their
creeping roots. It unfortunately appens that, where the land is the most
worked, and the roots the more broken thereby, the more the crop of
weeds increases on the land. Therefore, the only effectual mode of
extirpating plants of this nature, is by picking out the roots after the
plough, or by digging them up at every opportunity by some proper
instrument.

Where weeds of this nature occur, there is too often thought to be more
labour than profit in their extirpation. And although this is an
argument of some