140 DIPSACEjE. [Valeriana. 



1. F. olitoria, Vahl. Common Corn- Salad, or Lamb's Let- 

 tuce. Capsule subglobose, inflated, with three obscure in- 

 flexed teeth, glabrous; flowers capitate. Br. Fl. I. p. 15. E. 

 Fl. v. \.p. 45. — Valeriana Locusta, E. Bot. t. 811. 



Banks and corn fields, in a light soil, frequent. Corn fields at Howth ; 

 Portmarnock, Feltrum Hill, and many other parts of the country. Fl. 

 April— June. ©.—Three inches to a foot high, dichotomous, more or 

 less rough, liout-leaves spathulate, those of the stem oblong, obtuse, 

 entire, or with the upper ones a little toothed. Flowers pale blue, in 

 terminal compact heads, at the base of which are linear-oblong, often 

 divided bracteas, forming a kind of involucre. 



2. F. dentata, Vahl. Smooth narrow-fruited Com- Salad. 

 Capsule ovate, acuminate, glabrous, ribbed, with one large and 

 two smaller upright teeth ; flowers corymbose ; peduncles with 

 a sessile axillary flower. Br. Fl. 1. p. 15. E. Fl. v. I. p. 45. 

 — Valeriana dentata, E. Bot. t. 1370. 



Corn fields and dry banks, less frequent than the last. Near Monks- 

 town, County of Cork ; Mr. J. Drummond. On the Curren of 

 Lame ; Mr. Templeton. Abundant about Oldcastle and at Lisna- 

 brin, County of Cavan ; Rev. Mr. Halpin. In Farnham demesne ; 

 Mrs. E. Tenant. Fl. June, July. ©. — Leaves narrower than in the 

 foregoing. Flowers smaller, purplish, almost all from the forks of the 

 smooth stem. Capsules not inflated or lobed. Crown of three, 

 scarcely more, erect, unequal teeth, one much the largest. 



2. Valeriana. Linn. Valerian. 



Calyx a thickened margin to the top of the germen, at length 

 unfolding into a feathery pappus. Corolla monopetalous, 

 5-cleft, gibbous or spurred at the base. Fruit 1-seeded, 

 crowned with the feathery pappus.— Name from Valeo, to 

 be powerful, on account of the medicinal effects. 



Triandria. Monogynia. 



1. V. rubra, Linn. Red Valerian. Corolla with a long 

 spur; stam. one; leaves ovato-lanceolate. Br. Fl. I. p. 14. 

 E. Fl. v. 1. p. 42. E. Bot. t. 1532. — Centranthus latifolius, 

 Bufresne, Lindl. 



Tops of old walls, occasionally. Fl. June — Sept. %. 



2. V. officinalis, Linn. Great wild Valerian. Corolla gib- 

 bous at the base; leaves all pinnated; leaflets lanceolate, 

 nearly uniform, serrated. Br. Fl. 1. p. 15. E. Fl. v. 1. p. 

 43. E. Bot. t. 698. 



Ditches, sides of rivers, and woods, abundant. Fl. June, July. %. 

 — Roots tuberous, warm, aromatic, and employed in medicine. 



Ord. 40. DIPSACE^E. Juss. Teasel Family. 

 Tube of the calyx adnate with the ovary : the limb various, 



