OF TREES AND PLANTS. 235 



a divaricated bulb, elegantly imbricated. It is white, with a 

 bluiili tinge. It fends forth one, and fometimes two or three 

 ftalks, from four to fix inches high, thick, round and fucculent, 

 of a light purple, with a few oval ferrated membranes on the 

 lower part, inftead of leaves. The flowers are monopetalous, 

 and bilabiate. They are in a fpikc, in a pendulous lateral 

 feries ; commonly in pairs, with one between each pair, of a 

 beautiful fiefh-colour on their firfl appearance, on fhort white 

 pedicles, not eafily feen for a broad white pointed membrane on 

 the back of each, fmooth and glofly. The calyx is campaniform 

 and divided into four parts, of a flefh-colour, with a fhort white 

 down upon it, as is on the flowering part of the ftalk. The ovary 

 is compreflfed, ovated, pointed, and uni-locular. The feed is of 

 a greyifh-black, roundifh, and numerous, difpofed on a pla- 

 centa. In its older flate it aflirmes a lefs gay appearance. The 

 ftalk is then of a languid purple, and the flowers of a dull white. 

 It flowers in April and May. 



I have not obferved the bulbous, fcven-leaved Dent aria, ivithfivs 

 black clujlered berries in the al/e of the leaves (a), to grow with us. 



162. Naked, channelled Horfe-Tail (b) y called Shave-grafs, from its 

 being ufed by artificers for polifhing, and faid by a late learned 



and 



(a) Dentaria baccifera. Cluf. Pann. p. 445. Dentaria iv. Cluf. Hift. p. cxxi. Dentaria 

 bulbifera. Lol. p. 687. Dervtaria feptifolia. Titbern. p. 144. Dentaria heptaphyilos bacci- 

 fera. C. B. Pin. p. 322. Raj. Hift. i. p. 784. Hift. Oxon. ii. p. 254. Town. Inft. p. 225. 

 Park. Theatr. p. 619. Deniaria, Offic. Dal. Pharm. p. 200. Dentaria foliis inferioribus 

 pinnatis, fupernis fimplicibus. Linn. Hoit. Cliff, p. 335. Flo. Suec. n. 565. Rojen. lugdb. 

 p. 340. Hall. Helv. p. 557. 



(b) Equifetum foliis nudum non ramofum five junceum. C. B. Pin. p. 16. Rupj>. Flo. 

 Jen. p. 282. Equifetum nudum. Raj. Hift. i. p. 129. Syn. Hi. p. iji. Equifetum 



H h 2 caule 



