RANUNCULACE^E. XXVIII. DELPHINIDM. 



53 



the banks of rivers from Virginia to Carolina ; particularly plen- 

 tiful about Harper's Ferry on the Potowmac, Virginia. A small 

 plant with beautiful blue flowers. Deless. icon. sel. 1. t. 59. 



Var. ft, multiflorum (D. C. syst. 1. p. 356.) plant much more 

 pubescent ; flowers from 1 5 to 20 in dense racemes. 



Three-horned Larkspur. Fl. May, June. PL -J foot. 



87 D. SI'MPLEX (Doug. MSS. in Hook. fl. bor. amer. p. 25.) 

 petioles dilated at the base ; leaves 3-parted, profoundly jagged, 

 with linear lobes, and are pubescent as well as the stems ; ra- 

 cemes strict, almost simple ; petals bearded ; spur straight, longer 

 than the limb. If . H. Native of North America on the sub- 

 alpine range, west of the Rocky Mountains near the Columbia, 

 plentiful. Allied to Z). azureum, but that has the leaves smooth, 

 the racemes shorter, and the flowers with a much smaller spur, 

 which is curved inwards. Flowers deep blue. 



Simple-stemmed Larkspur. Fl. May, Jul. Clt. 1826. PL 3 ft. 



38 D. AZU'REUM (Mich. fl. bor. amer. 1. p. 314.) petioles 

 hardly dilated at the base ; leaves 3-5-parted, many-cleft, with 

 linear lobes ; racemes straight ; petals all bearded at the apex, 

 lower ones very villous. If . H. Native of North America on 

 the borders of woods in a sandy soil, from Carolina to Georgia. 

 On the banks of the Missouri and Mississippi. Flowers large, 

 beautiful sky-blue. 



Sky-blue Larkspur. Fl. May, July. Clt. 1 805. PL 3 feet. 



39 D. EXALTA'TUM (Ait. hort. kew. ed. 1. vol.2, p. 244.) pe- 

 tioles not dilated at the base ; leaves flat, cleft into 3-5-7-parts 

 beyond the middle, with wedge-shaped lobes which are trifid or 

 jagged, and acuminated at the apex ; racemes straight ; spur 

 straight, length of the calyx. If.. H. Native of North Ame- 

 rica in rocky shady places in the mountains of Virginia and Ca- 

 rolina and on the Rocky Mountains. D. tridactylum, Mich. fl. 

 bor. amer. 1. p. 314. Flowers blue, middle sized, sometimes 

 white. 



Exalted or Bee Larkspur. Fl. Jul. Aug. Clt. 1758. PL 3 to 

 6 feet. 



40 D. CRCEOLA'TUM (Jacq. coll. 1. p. 153. icon. rar. 1. 1. 101.) 

 petioles not dilated at the base ; leaves concave, cleft beyond the 

 middle into three, with wedge-shaped lobes, which are cut and 

 acuminated at the apex ; racemes straight ; spur straight, rather 

 longer than the calyx. If. . H. Native of North America ? 

 Sims, bot. mag. t. 1791. Upper part of stem smooth, lower 

 part pubescent. Flowers blue, suffused with red, not pure blue. 



Urceolate-leaved Larkspur. FL Ju. Jul. Clt. 1801. PL 5 feet. 



41 D. REVOLU TUM (Desf. cat. h. par. ed. 2. p. 148.) petioles 

 not dilated at the base ; leaves orbicular, cordate, 5-cleft, with 

 cut, acute, deflexed lobes ; pedicels furnished with 3 bracteas ; 

 ovaries smooth. l/.H. Native? Stem fistular, mealy. Flowers 

 pale blue with brown petals. 



Revolute-\eaved Larkspur. Fl. June, July. PL 4 or 5 feet. 



42 D. MESOLEU'CUM (Link. enum. hort. berl. 2. p. 80.) leaves 

 rather dilated at the base, with wedge-shaped segments, which 

 are deeply serrated at the top ; upper part of the stem as well as 

 the peduncles pubescent. Native of? Moris, fl. consp. t. 25. 

 Flowers blue, with pale yellow or whitish petals. 



Middle-white-fioweTed Larkspur. Fl. June, Aug. Clt. 1822. 

 PL 3 feet. 



43 D. PALMATI'FIDUM (D. C. syst. 1. p. 358.) petioles not di- 

 lated at the base ; leaves ciliated, 5-cleft, somewhat truncate at 

 the base, with the lobes cut at the apex : upper leaves of 3 entire 

 trifid lobes ; with the nerves hairy underneath ; bracteoles, cap- 

 sules, and calyxes smooth. If. . H. Native of Siberia. Flowers 

 blue, with brownish petals. 



Var. a, hupidum (D. C. syst. 1. p. 358.) stems hispid with 

 spreading hairs ; pedicels smoothish. Gmel. sib. 4. p. 187. t. 79. 



Var. ft, glabellum (D. C. 1. c.) stem almost smooth ; pedicels 

 rather hispid with spreading hairs. Gmel. sib. 4. p. 187. t. 75. ? 



Palmate-cleft-lewed Larkspur. Fl. June, July. Clt. 1827. PL 

 2 or 3 feet. 



44 D. INTERMEDIUM (Ait. hort. kew. ed. 1. vol. 1. p. 243.) 

 petioles not dilated at the base ; leaves cordate, 5-7-cleft, upper 

 ones 3-lobed, with all the lobes deeply serrated; pedicels, brac- 

 teoles, calyxes and ovaries smooth. 1 . H. Native of Silesia, 

 Hungary, Switzerland, and the Pyrenees, in alpine valleys. 

 Flowers blue. D. elatum, Lin. ? x 



Var. a, pilosissimum (D. C. syst. 1. p. 358.) stem very hairy; 

 leaves villous, with the nerves on the upper surface pilose ; ra- 

 cemes branched. If.. H. Native of Siberia. Gmel. sib. 4. 

 p. 167. t. 80.? 



Var. ft, alplnum (Waldst. et Kit. pi. hung. 3. p. 273. t. 246.) 

 stem almost smooth ; leaves pubescent ; racemes branched, "if. . 

 H. Native of Hungary. Clus. hist. 2. p. 94. f. 2. 



Var. y, leptostctchyum (D. C. syst. 1. p. 359.) stem and pe- 

 tioles smooth ; leaves pubescent ; racemes short and simple. 

 If. . H. Native of the Pyrenees. D. intermedium, Lapeyr. abr. 

 p. 304. ? 



Var. S, ranunculifdlium (D. C. syst. 1. p. 359.) stem smooth ; 

 petioles pilose ; leaves pubescent ; racemes simple, lax. T(. . H. 

 Native of Switzerland. 



Var. E, Idxum (D.C.I, c.) stem and leaves smooth, with acutely 

 cut lobes : racemes lax, branched. If. H. Mill. icon. t. 119. 



Intermediate Larkspur. Fl. Ju. Jul. Clt. 1 710. PL 4 to 8 ft. 



45 D. CUNEA'TUM (Stev. diss. ined. D. C. syst. 1. p. 359.) pe- 

 tioles not dilated at the base ; leaves wedge-shaped at the base, 

 5-7-lobed, with the lobes cut and acute ; racemes lax, branched ; 

 bracteas and calyxes smooth ; capsules rather pubescent. I/ . H. 

 Native of Russia at the lower Volga. Deless. icon. sel. 1. t. 61. 

 Ker. bot. reg. 327. D. hybridum, Lin. herb. D. azureum. 

 hort. D. elatum ft, Lam. diet. 2. p. 265. Flowers beautiful 

 blue, with brownish petals, two lower petals bearded with yel- 

 low hairs. 



Var. ft, pubiflorum, (D. C. prod. 1. p. 55.) pedicels, bracteoles, 

 calyxes and younger capsules velvety with fine dense down. y. . 

 H. Native about Saratof. 



Wedge-leaved Larkspur. Fl. Ju. Jul. Clt. 1816. PL 3 or 4 ft. 



46 D. VILLO'SUM (Stev. in litt. hort. dorp. D. C. prod. 1. 

 p. 53.) petioles hardly dilated at the base; leaves smooth, cu- 

 neated at the base, 3-5 -lobed, with the lobes cut and acute; ra- 

 cemes lax ; pedicels bracteate, and are, as well as capsules, 

 villous; spur straight. If.. H. Native of? Flowers blue. 

 An intermediate plant between D. cuneatum and D.dyctiocdrpum. 



Villous Larkspur. Fl. Ju. Jul. Clt. 1818. PL 4 or 6 feet. 



47 D. DYCTIOCA'RPUM (D.C. syst. 1. p. 360.) petioles not di- 

 lated at the base ; leaves 5-7-lobed ; lobes, oblong, acute, and 

 deeply pinnatifid ; upper leaves somewhat 3-parted, with narrow 

 entirish lobes ; racemes lax, branched ; bracteas and calyxes 

 smooth ; capsules reticulated, with the keel and margin ciliated. 

 11 . H. Native of Siberia. Habit of D. elatum or D. cuneatum. 

 Flowers beautiful blue with brown petals, two lower petals hispid, 

 with yellow hairs. Spur straight. A smooth plant. 



Netted -capsuledLarkspur. Fl.Ju.Jul. Clt. 1817. P1.4or6ft. 



48 D. LAXIFLO'RUM (D. C. syst. 1. p. 360.) petioles not dilated 

 at the base ; leaves 3-7-lobed, with the lobes oblong, acute, and 

 deeply pinnatifid : upper leaves somewhat 3-parted, with narrow, 

 entire lobes ; racemes loose, branched ; bracteoles and ovaries 

 pubescent. 1. H. Native of Siberia. Stems hispid at the 

 bottom. Flowers blue. 



Lax-flowered Larkspur. Fl. June, July. Clt. ? PL 4 or 6 feet. 



49 D. MONTA NUM (D. C. fl. fr. 5. p. 641. syst. 1. p. 360.) 

 petioles not dilated at the base ; leaves pubescent, 5-lobed, lobes 

 wedge-shaped at the base, .but trifid and cut at the apex ; ra- 

 cemes simple ; bracteas, calyxes, and capsules pubescent ; spur 

 bent inwards. If.. H. Native of the Pyrenees and the Alps of 



