160 43. VALERIANACE^. 



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

 1—6, inserted in the tube, free. Ovary with 1 perfect cell and 

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



1. Centranthus. Cor. regular, S-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. 1 -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 tvriee as long as the germen. — 

 Valeriana Sm., E. B. 1631.— St. 1—2 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. officinalis (L.) ; I. all pinnate, Its. 16 — 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 

 fi^om 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. 9 — 11 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. officinalis 

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

 2 — 4 feet high. Lts. toothed on both edges ; tei-m. 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.) ; I. heartshaped serrate stalked, upper 1. 

 with 1 — 2 pairs of small lanceolate leaflets.—^. B. 1691. — St. 



