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CISTUS albidus.
White-leaved Bock-Rose.
Sect. I. ÊRYTHRoeiSTiîs. Supra, fol. 3.
* Pedunculis unifloris, axillaribus vel terminalibus, solitariis um-
bellatisve ; stylo cylindrico soepè staminibus long lore; stigmate capi-
tato 5-sulcato. DC. prodr. 1. p.264.
C. albidus, foliis sessilibus oblougo-ellipticis incano-tomentosis sub-
trinerviis, floribus 3-8 terminalibus subumbellatis, sepalis exterms
majoribns, petalis valde imbricatis.
Cistus albidus. Linn. spec. 737. Willden. sp. pi. 2. p. 1180. Pers.
syn. 2. p. 75. DC. prodr. 1. p. 264. Hort. Kew. ed. 2. v. 3. p. 306.
Cistus mas. I. Clus. hist. Ï. p. 68. ic. Park, theatr. 658. f . I.
Stem shrubby, e*rect, much branched, and thickly
crowded with leaves, clothed with a brown scaly bark:
branches opposite, erect, thickly clothed with dense
wool. Leaves opposite, crossing each other, sessile, connate
at the base and surrounding the stem, oblongly
elliptic or lanceolate, scarcely acute, much undulate,
3-Tierved at the base, reticulately veined, clothed on both
sides with a dense white stellate pubescence. Flowers
3 to 8, terminating the branch in a sort of umbellate co-
rymbus, of a bright lilac or pale rose colour. Bractes
leaf-like, ovate, obtuse. Pedicles cylindrical, erect,
stout, densely tomentose. Calyx of 5 acute sepals, the
2 outer ones largest, cordate, strongly 5-nerved, margins
a little rolled back, densely clothed with a starry to-
mentum; inner ones narrower, taper-pointed, more inclining
to membranaceous, also clothed with a stellate
tomentum. Petals 5, broadly obovate, much imbricate,
slightly crenulate, more or less crumpled, of a bright
lilac or rose-coloured, with a yellow spot at the base.
Stamens numerous, from 180 to 200, in a dense tuft;
filaments slender, yellow; anthers 2-celled, opening at