182 RANUNCULACEAE 



lanceolate lobes, these usually again divided, the upper similar but smaller; flowers many, in 

 open racemes or panicles, bright scarlet, 25-40 mm. long, including the spur; sepals ovate, 

 obtuse, 12-18 mm. long, the spur slender, 15-25 mm. long; petals yellow, tipped with scarlet, 

 the upper pair with the lower lobe much shorter than the upper lobe, the lower pair with pilose 

 ovate blades ; follicles glabrous, 9-12 mm. long ; seeds broadly truncate and winged at apex. 



Hillsides and canyon slopes, Upper Sonoran Zone; Monterey County, California, to Lower California. 

 Type locality: California, no definite station mentioned. May-July. 



3. Delphinium Purpusii Brandg. Purpus' Larkspur. Fig. 1780. 



Delphinium Purpusii Brandg. Bot. Gaz. 27: 444. 1899. 

 Delphinium roseum Heller, Muhlenbergia 2: 35. 1905. 



Plants with a thick fascicled root and a stout hollow stem, 45-75 cm. high, simple or 

 sparingly branched, glabrous or sparingly glandular-pilose. Leaves 6-8 cm. broad, 3-5-parted, 

 with narrow sinuses and broad divisions with broad rounded or obtuse teeth or shallow lobes, 

 pilose on the margins, otherwise glabrous and bright yellow-green ; racemes rather strict, 5-14- 

 flowered; pedicels ascending, equaling or longer than the spur; sepals rose-colored, spreading, 

 elliptic, 15 mm. long, about equaling the spur; upper petals whitish, 7-8 mm. long, the lower 

 rose-colored, obliquely ovate, split nearly to the middle; follicles glabrous, 12-20 mm. long; 

 seeds with loose cellular covering. 



Rocky slopes, Upper Sonoran and lower Arid Transition Zones; western slopes of the southern Sierra 

 Nevada, in Tulare and Kern Counties, California. Type locality: Erskine Creek, Kern County, California. 

 April-May. 



4. Delphinium nudicaule Torr. & Gray. Red Larkspur. Fig. 1781. 



Delphinium nudicaule Torr. & Gray, Fl. N. Amer. 1 : 33. 1838. 

 Delphinium sarcophyllum Hook & Am. Bot. Beechey 317. 1840. 

 Delphinium decorum var. nudicaule Huth, Helios 10: 33. 1892. 

 Delphinastrum nudicaule Nieuwl. Amer. Midi. Nat. 3: 172. 1914. 



Plants with fascicled roots and rather slender naked or few-leaved glabrous stems, 3-6 dm. 

 high. Lower leaves 3-10 cm. broad, deeply 3-5-parted, the divisions broad with rounded teeth 

 or shallow lobes, rather fleshy, glabrous or sparsely pubescent, upper leaves reduced or wanting ; 

 raceme loose, simple or rarely branched, 3-12-flowered ; pedicels spreading or ascending, at least 

 the lower much longer than the flowers ; sepals red, 10-14 mm. long, glabrous or nearly so, the 

 spur 15-20 mm. long; upper petals yellow, tipped with red, the blade obliquely ovate, sharply 

 bidentate at apex; lower petals scarcely half the size ofthe upper, 2-cleft; follicles 15 mm. long, 

 glabrous ; seeds winged on the truncate apex and the sides. 



Open woods, Transition Zone; Josephine and Curry Counties, Oregon, to Mariposa and Monterey Coun- 

 ties, California. Type locality: California. March-June. 



5. Delphinium luteum Heller. Yellow Larkspur. Fig. 1782. 



Delphinium luteum Heller, Bull. S. Calif. Acad. 2: 68. 1903. 

 Delphinium nudicaule var. luteum Jepson, Man. Fl. PI. Calif. 376. 1925. 



Plants from a somewhat fleshy fusiform root, the stems simple or branched below, 3-4 dm. 

 high, pubescent. Leaves 2-6 cm. broad, 3-5-parted, the divisions again lobed or toothed, with 

 obtuse or acutish lobes or teeth, more or less pilose-pubescent; raceme open, usually over half 

 the length of the stem, 2-12-flowered ; pedicels much longer than the flowers; sepals yellow, 

 sometimes tipped with rose or light purple, broadly ovate, 15 mm. long, rather densely pubescent, 

 the spur stout, 15-18 mm. long; petals yellow, the upper entire or somewhat erose, the lower 

 nearly as long, 2-cleft. 



Bluffs along the coast, Humid Transition Zone; Sonoma and Marin Counties, California. Type locality: 

 on grassy slopes about rocks near Bodega Bay, along the road leading to the village of Bodega. March-May. 



6. Delphinium Menziesii DC. Menzies' Larkspur. Fig. 1783. 



Delphinium Menziesii DC. Syst. 1:335. 1818. 

 Delphinium pauperculum Greene, Pittonia 1: 284. 1889. 



Stems arising from an irregular cluster of tubers, simple, 2-4 dm. high, more or less short- 

 villous with spreading or somewhat reflexed hairs, varying to glabrous. Leaves 2.5-6 cm. broad, 

 sparsely pubescent or glabrous, 5-parted, the segments cuneate in outline, commonly 3-lobed, 

 the lobes oblong, rounded to acutish ; raceme loosely 3-7-flowered or rarely more ; sepals dark 

 purple, obovate, 12-16 mm. long; spur stout, 12-15 mm. long, often recurved at the tip; upper 

 petals white, veined with purple, entire or shallowly notched; lateral petals purple, 8-10 mm. 

 broad, the lobes acute ; follicles 12-20 mm. long, often arcuate-diverging, pubescent or glabrous ; 

 seeds with an incurved wing at the summit. 



Grassy slopes, Canadian and Transition Zones; Vancouver Island and western British Columbia, to north- 

 western California, and east to Montana and Colorado. Type locality: collected by Menzies, probably at Nootka 

 Sound. April-June. 



7. Delphinium depauperatum Nutt. Dwarf Larkspur. Fig. 1784. 



Delphinium depauperatum Nutt. in Torr. & Gray, Fl. N. Amer. 1: 33. 1838. 

 Delphinium paucifiorum var. depauperatum A. Gray, Bot. Gaz. 12: 54. 1887. 



Stems simple, 1-3 dm. high, usually glabrous below, more or less viscid-pubescent above. 



