RYDBERG: STUDIES ON THE Rocky MOounrtTaAIN FLORA 321 
divided to the base into 3-5 narrowly cuneate divisions, these 
again cleft into linear-oblong, obtuse, mucronate lobes; sepals , 
light blue, slightly pubescent outside, oblong, obtusish, about 1 
cm. long; spur about 1 cm. long, usually somewhat curved ; jipper 
petals 8 mm. long, yellowish white, slightly lobed; lower petals 
light blue, with obtusish, wavy lobes; follicles 8-ro mm. long, 
slightly puberulent, nearly straight. NY: 
This species is related to D&scaposum but differs in its more 
leafy stem and in the more deeply dissected basal leaves with 
Narrower segments. It grows in arid places. 
Uran: Southern Utah, 1877, Palmer 11 (type, in herb. Columbia 
University). 
ARIZONA: 1876, Palmer 3. 
’Delphinium xylorrhizum sp. nov. 
A perennial with a stout woody root, related to D. scaposum 
but not at all scapiform; stem 2-3 dm. high, glabrous; leaves 
petioled, glabrous, fleshy; blades of the basal ones divided into 
3-5 broadly cuneate divisions, these cleft and lobed with ovate or 
rounded lobes; stem leaves with linear-oblong lobes; sepals dark 
blue, oval, obtuse, pubescent outside; spur stout, about 15 mm. 
ong; upper petals yellowish, about 7 mm. long, slightly cleft, 
with obtuse lobes: lower petals blue, with sinuate, obtuse lobes; 
follicles canescent-strigose. 
__ This species differs from D. scaposum Greene in its leafy stem 
and its Strigose follicles. It grows on clayey hillsides. 
Montana: Lima, July 1, 1895, Shear 3429 (type, in herb. 
N.Y. Bot. Garden). 
-Delphinium Helleri sp. nov. 
A Perennial with a short rootstock and fleshy roots; stem about 
3 dm, high, viscid-pubescent throughout, few-leaved; leaf blades 
35 cm. broad; the lower dissected into linear, obtuse divisions, 
more or | 
Calyx; sepals dark blue, more or less pubescent, oval, about 15 
mm. long; spur 2-2.5 cm. long, straight and attenuate; upper 
Petals blue, tinged with yellow only on the lower edge, entire or 
* ghtly cleft, lower petals blue, with acute, crenate lobes; follicles 
viscid-pubescent, nearly straight, 2 cm. long. 
