160 43. VALERIANACEJE. 



equal or irregular often spurred or gibbous at the base. Stam. 

 1 5, inserted in the tube, free. Ovary with 1 perfect cell and 

 often 2 abortive cells ; ovule solitary, pendulous. Fr. dry. 



1. CENTRANTHUS. Cor. regular, 5-lobed, with a spur. 

 Stam. 1. Fr. 1 -celled, indehiscent, crowned with the limb 

 of the calyx expanded into a feathery pappus. 



2. VALERIANA. Cor. regular, 5-lobed, gibbous but without 

 a spur. Stam. 3. Fr. \-celled, indehiscent, crowned with 

 the limb of the calyx expanded into a feathery pappus. 



3. VALERIANELLA. Cor. regular, 5-lobed, without a spur. 

 Stam. 3. Fr. 3-celled, indehiscent, crowned with the erect 

 unequally toothed limb of the calyx, 2 of the cells usually 

 empty inflated or filiform. 



1. CENTRANTHUS Cand. 



fl. C. ruber (DC.); 1. ovate-lanceolate, spur much shorter 

 than the tube of the corolla and twice as long as the germen. 

 Valeriana Sm., E. B. 1531. St. 12 feet high. Fl. purple or 

 white. Chalk-pits and old walls. P. VI. IX. Red Valerian. 



[C. Calcitrapa (Dufr.) ; radical 1. ovate entire, stem-1. pinna- 

 tifid, spur very short, is naturalized at Eltham in Kent.] 



2. VALERIANA Linn. Valerian. 



1. V. ojficinalis (L.) ; 1. all pinnate, Us. 15 21 lanceolate 

 dentate-serrate terminal one not larger than the others, st. sul- 

 cate solitary, fr. glabrous ovate-oblong. R. xii. 727 . St. 9. 

 Root with short subterranean stoles. St. 2 4 feet high. An- 

 terior edge of Its. nearly entire, posterior strongly toothed. Fl. 

 flesh-coloured. Radical 1. on long stalks. Fr. narrowed usually 

 from about its middle. V. angustifolia (R.) ; Its. more nume- 

 rous nearly entire. R. xii. 728. Ditches and damp chalky 

 places. P. VI. VII. 



2. V.-sambucifolia (" Mikan.") ; 1. all pinnate, Its. 91 1 den- 

 tate-serrate, of the radical 1. ovate acute, of the stem-1. oblong- 

 lanceolate, terminal It. not larger than the others, st. sulcate 

 solitary, fr. glabrous ovate-attenuate. R. xii. 726. V. ojficinalis 

 Sm., E. B. 698. Root with long stoles usually not buried. St. 

 2 4 feet high. Lts. toothed on both edges ; term. It. of rt.-l. 

 sometimes slightly larger than the others. Fr. narrowing from 

 below its middle. Damp places. P. VI . VII. 



*3. V.pyrenaica (L.) ; 1. heartshaped serrate stalked, upper 1. 

 with 12 pairs of small lanceolate leaflets. .E. B. 1591. St. 



