TRIANDRIA. DIGYNIA. RottbAllia. 
201 
from E. Bot. that Mr. Forster in some spikets observed two,, or even 
three small inner valves to its calyx. E.) 
White Darnel. (Welsh: Efryn digol; Yd meddiv gwyn. In fields to 
the north of Forfar, Scotland. Mr. Mackay. FI. Brit. Walthamstow. 
Mr. E. Forster; and at Kennington, near London. Mr. Groult. in E. Bot. 
Also in Cambridgeshire, Norfolk, and near Beaumaris ; very common 
amongst wheat in Rhil, in the parish of Rhyddlan, Flintshire. Mr. Grif¬ 
fith. E.) A. July.* 
ROTTBOI/LIA.f Cal. one or two-valved, egg-spear-shaped : 
florets alternate, on a flexuose fruit-stalk: blossom two- 
valved, awnless. 
R. incurva'ta. Spike cylindrical, awl-shaped: calyx husk awl-shaped, 
appressed, bipartite. 
{E. Rot. 760. E.)— El. Ban. 938— H. Ox. viii. 2. 8— Park. 1140— Barr. 5 
and 6— Scheuch. 2. 1— Pluk. 191. 6. 
Spike without awns, smooth, flexuose, but little thicker than the straw. 
Calyx of two valves; both placed outwardly. Blossom valves placed 
contrary wise to those of the calyx. Linn. ( Stems branched, numerous, 
a span long, partly procumbent, leafy. E.) Leaves short, firm. Flower¬ 
ing stems ascending, below whitish, cylindrical and smooth. Spike green. 
Florets, one to each joint, alternate. Calyx valves strap-spear-shaped, 
ending in a stiff point, the point lying in a notch of the joint above, stiff, 
green, furrowed without, white and shining within, one expanding when 
the pollen is ripe. Blossom nearly as long as the calyx. Woodw. 
(Var. 2. R. Jvliformis. Roth. Don. More slender, spike filiform, nearly 
erect. Smith conjectures drawn up weak among other grasses. Salt 
marshes near Aberlady bay, fifteen miles from Edinburgh. Hook. Grev. 
E.) 
Sea Hard Grass. (Welsh: Corwelltyn camaidd. E.) JEgilops incur- 
vata. Linn. Sp. PI. Lightf. R. incurvata. Linn. Fil. Suppl. Willd. Sm. 
Sea coast. Salt Marsh, below King’s Weston, near Bristol. Dr. Stokes. 
Near Yarmouth. Mr. Crowe. Near Seaton, Durham. Mr. Robson. 
(Rhil Marsh, Flintshire. Mr. Griffith. At Sheringham, Norfolk; and 
Exmouth, Devonshire. Rev. Dr. Goodenough. Upon the shores, and in 
dry salt marshes at Dimchurch, Kent, where also occurs Var. 2. Mr. 
Gerard. E. Smith. In the vale of Menachan, Cornwall. Rev. J. Pike 
Jones. North Shore, by Bank Hall, near Liverpool. Dr. Bostock. At 
the head of Lowestoft Broad, Suffolk. Mr. Woodward. Between Friars 
and Penmon, just above the beach; Cemlyn and Dulas bays, Anglesey. 
Welsh. Bot. E.) A. July—Aug. 
E'LYMUS.J Cal. lateral, two-valved, several together, many- 
flowered. 
E. akena'iiius. Spike upright, compact: calyx woolly: longer than 
the floret: (leaves with a spinous point. E.) 
* It is very injurious to a wheat crop, but may readily be avoided, as it is sown 
along with the seed. Mr. Pitt, in Staffordshire Report. 
t (In honour of Rottboell, who flourished in the last century as an author, and 
professor of Botany at Copenhagen. E.) 
t (EAu,uo g of Dioscorides, from eAuw, to fold up, or infold, as does the sheath the 
spike of some species. E.) 
