238 



POLEMONIACE^:. I. POLEMONIUM. 



7 FE'NZLIA. Calyx tubularly campanulate, deeply 5-cleft; 

 segments linear. Corolla somewhat funnel-shaped ; tube short ; 

 segments of the limb obovate, toothed ; anthers exserted from 

 the tube. Cells of capsule many-seeded. 



8 GILIA. Calyx campanulate, 5-cleft (f. 28. a.). Corolla 

 funnel-shaped (f. 28. 6.), or sub-campanulate ; segments of the 

 limb obovate. Stamens inserted in the throat. Cells of capsule 

 many-seeded. 



9 JEoocuLOA. Calyx tubularly campanulate, 5-cleft ; seg- 

 ments unequal, spiny, entire to multilid. Corolla somewhat 

 salver-shaped ; segments oblong, entire ; tube equal in length to 

 the calyx. Stamens inserted in the upper part of the tube. 

 Cells of capsule many-seeded. 



10 COLLOMIA. Calyx campanulate, 5-cleft. Corolla salver- 

 shaped ; tube slender ; segments of the limb oblong, entire. 

 Stamens inserted towards the middle of the tube. Cells of cap- 

 sule 1-2-seeded. 



11 CALDA'SIA. Calyx tubular, 5-toothed, equal to the tube 

 of the corolla in length. Corolla funnel-shaped; lobes of limb 

 cuneated, emarginate. Stamens inserted in the middle of the 

 tube. Cells of capsule 1 -seeded. 



12 Lo2SE v LiA. Calyx tubular, involucrated by pungent brae- 

 teas (f. 29. a./.); segments pungent. Corolla funnel-shaped (f. 

 29. 6.) ; tube long ; (f. 29. g.) lobes of limb broadly obovate, en- 

 tire. Cells of capsule few-seeded. Seeds flat, orbicular, girded 

 by a narrow membrane. 



13 CA'NTUA. Calyx tubular, 5-toothed, often cleft to the 

 middle on both sides. Corolla funnel-shaped ; tube long ; 

 lobes of limb obcordate, convolute in aestivation. Stamens 

 inserted near the base of the tube. Cells of capsule many- 

 seeded. Seeds compressed, girded by an oblong, membranous 

 wing. 



I. POLEMONIUM (7ro\epiaviov, polemonion, of Dioscorides, 

 from TroXe^oc, polemos, war.) Tourn. inst. 146. t. 61. Lin. 

 gen. no. 217. Schreb. gen. no. 289. Juss. gen. 136. ed. 

 Usteri, p. 152. Gaertn. fruct. 1. p. 299. t. 62. Lam. ill. t. 

 106. Schkuhr. handb. t. 38. ed. H. B. et Kunth, nov. gen. 

 amer. 3. p. 160. Led. fl. alt. 1. p. 232. 



LIN. SYST. Pentdnilria, Monogynia. Calyx campanulate, 5- 

 cleft (f. 26. a.). Corolla rotate (f. 26. &.)> with a short tube, and 

 a 5-lobed, equal, erect limb. Stamens 5 (f. 26. c.), equal, in- 

 serted in the throat of the corolla ; filaments dilated at the base, 

 bearded, in a continuous ring, and nearly closing the throat ; 

 anthers incumbent. Capsule roundish, with membranaceously 

 crustaceous valves, covered by the permanent calyx ; cells many- 

 seeded. Seeds oblong, trigonal, filled with large albumen. 

 Radicle twice longer than the cotyledons. Erect, herbaceous 

 plants, with alternate, usually impari-pinnate, seldom impari- 

 bipinnate leaves ; leaflets entire ; terminal, panicled corymbs of 

 bracteate flowers, and blue or white corollas. 



1 P. CCERULEUM (Lin. spec. 230.) stem glabrous; leaves 

 pinnate ; leaflets ovate-lanceolate, acuminated, glabrous ; seg- 

 ments of calyx ovate or elliptic lanceolate, acuminated ; flowers 

 erect, corymbose ; calyxes hairy ; segments of corolla roundish- 

 oval, obtuse ; anthers elliptic. I/. H. Native of Siberia, and 

 the north of Europe; as of Germany, Switzerland, Lapland, 

 Denmark, in shady places. It is sometimes found apparently 

 wild, in some parts of Britain; as at Malham Cove, in York- 



shire ; at Matlock, in Derbyshire ; as well as near Bakewell, 

 and at Lover's Leap, Buxton, Smith, engl. hot. t. 17. Fl. 

 dan. t. 255. Sabb. hort. 2. t. 82. Valeriana coerulea, Bauh. 

 pin, 164. Valeriana Grse'ca, Dod. pempt. 352. f. 1. Besl. 

 eyst. 9. t. 11. f. 2. Gmel. sib. 4. p. 103. t. 69. Capsule ovate- 

 globular, obsoletely 3-grooved. Flowers blue. This plant is 

 called Greek Valerian, Jacob's Ladder, or Ladder of Heaven. 

 It is a common border flower ; with erect, stiff stems. 



Var. ft, flbre dlbo ; flowers white. The white-flowering 

 common Greek- Valerian. Berl. eyst. 9. t. 11. f. 3. 



Var. y ; stem and calyxes woolly. If.. H. Native of Siberia. 

 P. cceruleum, ft, Lin. ups. p. 40. Gmel. sib. 4. p. 103. t. 50. 



Far. S, variegata ; leaves variegated. 



Var. c, picta ; flowers variegated with white and blue. 



Var. i, piliferum (Lindl. bot. reg. t. 1303.) stem erectish, 

 hardly longer than the radical leaves ; calyxes villous. If.. H. 

 Native of North America, Richardson. Stem and leaves pilose. 

 Flowers blue. 



J5/ue-flowered or Common Greek- Valerian. Fl. June. 



2 P. GRA'CILE (Willd. enum. suppl. p. 10.) stems simple, 

 elongated ; leaves pinnate : calyx full of glandular down ; seg- 

 ments of corolla ovate, obtuse ; anthers sagittate. I/ . H. Na- 

 tive of Dahuria. P. cceruleum, y gr&cile. Horn. hort. hafn. 2. 

 p. 957. Roem. et Schultes, syst. 4. p. 364. Flowers pale blue. 



Slender Greek- Valerian. Fl. June, July. Clt. 1808. PI. 

 li feet. 



3 P. SIBIRICUM (G. Don, mss. Sweet, fl. gard. t. 182.) 

 erect, glabrous ; leaves pinnate ; leaflets petiolate, pinnatifid ; . 

 segments lanceolate ; petioles and calyxes pilose ; calycine seg- 

 ments ovate, acute ; segments of corolla elliptic ; stamens sagit- 

 tate ; stem fistular, angular, glabrous, but downy at top. y. . 

 H. Native of Siberia. P. lacteum, Lehm. hort. sem. hamb. 

 1825. p. 17. pug. 1. p. 27. act. bonn. 14. p. 815. Pol. dissectum, 

 Ilchb. icon. t. 463. Lower leaflets ciliated. Flowers white, 

 crowded, sub-corymbose. Filaments pilose at bottom. This 

 species differs from all others, in the bipinnate leaves. Perhaps 

 only a variety of P. cceruleum. 



Siberian Greek- Valerian. Fl. June, July. Clt. 1800. PI. 

 2 feet. 



4 P. PULCHE'LLUM (Bunge, in Led. fl. alt. ill. t. 20. fl. alt. 1. 

 p. 233.) stems downy, nearly naked; radical leaves pinnate; 

 leaflets oblong, acute : upper ones confluent, all glandularly 

 ciliated ; calycine segments linear-oblong, acutish ; flowers 

 erect, corymbose. 7f..H. Native of Siberia, in stony places, in 

 the Kuraic Islands, and at the river Tschuja. Nearly allied to 

 P. humilis, Willd. ; but differs, in the stein being suffruticose, in 

 the calyxes being hairy, in the stamens being sagittate. Flowers 

 smaller than those of P. cceruleum, from white to blue. Calyx 

 glandularly ciliated ; segments of corolla roundish ; stigma and 

 anthers white. 



Neat Greek-Valerian PI. \ to \ foot. 



5 P. ACUTIFLORUM (Willd. mss. in herb, ex Rcem. et Schultes, 

 syst. 4. p. 792.) stem nearly leafless; leaves nearly all radical, 

 pinnate ; leaflets oblong ; calyx hairy at the base ; segments of 

 corolla ovate, acute, ciliated. 7. H. Native of the north- 

 west coast of America, Pallas. P. boreale, Adams. Flowers 

 blue, few in a corymb. 



Acute-flowered Greek- Valerian. PI. -j font. 



6 P. PULCHE'RRIMUM (Hook, bot. mag. 2979.) stems many, 

 ascending, leafy, and are, as well as the calyxes, downy ; leaflets 

 ovate, obtuse, glabrous : panicles sub-corymbose ; calycine seg- 

 ments ovate, acute ; segments of corolla ovate, acutish. I/. H. 

 Native of the rocky mountains. Flowers pale blue, varying to 

 white. Leaves with a faint smell of musk, mostly radical ; 

 rachi of leaves downy. Corymbs drooping. Corolla rotately 

 campanulate. Nearly allied to P. Richardsbnii. 



