Hieracium *Pilosella L.——Mouse~ezu- Hawkweed. (B. Hurst). *aurantiacum L.—Devil’s Paint-brush. (B. Hurst).

*floribumz‘ltm Wimm- et Grab.—Many-flowered Hawkweecl. (Groh).

*pratemz Tausch.—King Devil. (Groh). . scabmm Michx.~Rough Hawkweed. canadense Michx.——Canada Hawkweed. (Groh).

SPECIES DOUBTFUL OR REQUIRING CONFIRMATION '

.Cinrna armzdinacea L. Polygomrm ponmylzranirmn L. Crataegus coccinea L. *Fragaria vesca L. Rubus willows Ait. Prmms Pumila L. Lochea minor L. Viola alsophila Greene. Viola Watsoni Greene. Viola nesiotica Greene- COMM/LS circmata. L. ’Her. , Lycopus virginicus L. Solidago stricta Ait. Solidago altissima L. Aster m'ztltiflorus Ait. *Arctium Lappa L.

,ADDENDA TO 194I.

Cytisus sco'parius (I...) Link— lroom. (F. S. Blanchard).

Pinus Banksiana Lamb—Jack Pine. (Messervy)

Lolium perenne L.—Rye—grass. (R. R. Hurst).

funcus mrticulatus L.—]ointed Rush. (Groh).

Potentilla; sluphm’ea Lamarck,—Rough-fruite(l Cinquefoil. ' (Messervy).

Diwnflus deltoides L.——Maiden Pink (R. R. Hurst).

Salix balsomifem (—S. pyrifolia Anderss). B. Hurst)+

Origcmum vulgare L.—Wild Mariorum or, Organy,

(Holman). Suture/a Acinos (L) Scheele. Basil Thyme (R. R. Hurst).