YAl.KRT.VNACK.r. 



233 



CRUCIANELLA STYLOSA. B.C. 

 On the embankment near Scarborough Railway Station, York- 

 shire. Mr. J. G. Baker. 



OEEER XXXIX.-V ALERIANACEJ1. 



Herbs, rarely undershrubs, with opposite, undivided or pinnate, 

 cxstipulate leaves. Flowers usually perfect and regular, white, 

 red, pink, or lilac, very rarely yellow or purple, disposed in cymose 

 corymbs or heads. Caiyx-tube adnate to the ovary ; limb toothed or 

 lobed or forming a pappus which is involute in flower, but expanded 

 in fruit. Corolla almost always monopetalous, tubular-funnelshaped, 

 generally 5-lobed. Stamens generally 3, but from 1 to 5. Ovary 

 generally 3-celled. Style 1, filiform. Stigmas 2 or 3, free or 

 united. Emit indehiscent, 1-celled and 1-seeded, or 3-celled with. 

 2 of the cells empty, crowned by the calyx-teeth or pappus. Seed 

 solitary, pendulous, ex-albuminous ; embryo with 2 flat cotyledons. 



GENUS I.—C ENTRANTHUS. B.C. 



Calyx-limb involute during flowering, afterwards spreading out 

 into a deciduous pappus with numerous plumose rays. Corolla 

 salver-shaped, with an obconical-cylindrical tube, spurred near the 

 base ; limb irregular, 5-lobed, with obtuse lobes. Stamen 1. Fruit 

 1-celled and 1-seeded, crowned by a plumose pappus. 



Glabrous herbs with entire or pinnatifid or pinnate leaves. 

 Elowers sessile, red, pink, or white, disposed in corymbose cymes 

 often arranged in panicles, with unilateral branches, which lengthen 

 into racemes in fruit. 



The name of this genus of plants comes from icevrpov (l-entnm), a spur, and avOog 

 (antlws), a flower, in reference to the corolla being furnished with a spur at the base. 



SPECIES I.— CENTRANTHUS RUBER. B.C. 

 Plate DCLXIV. 

 Reich. Ic. FL Germ, et Helv. Vol. XII. Tab. DCXVIII. Fig. 1416. 

 Billot, PL Gall, et Germ. Exsicc. No. 3105. 

 Valeriana rubra, Linn. Sm. Eng. Bot. No. 1531. 



Eerennial. Stem somewhat shrubby at the base. Leaves on 

 the barren shoots shortly stalked, lanceolate, entire, those at the 

 vol. rv. 2 ii 



