40 Wooton: THE LARKSPURS OF NEW Mexico 
higher mountains of southern Colorado and the northern part of 
New Mexico. The following specimens may be referred to the 
species : 
Near Pagosa Peak, Colorado, Aug., 1899, 9,000 feet, Baker 
See. 
Headwaters of the Pecos River, Aug., 1905, Mrs. W. #7. 
Bartlett. 
Pecos River (/oc.?), June 24, 1898, Herrick 15. 
Upper Pecos River, Aug. 3, 1898, Maltby & Coghill 133. 
Pecos Baldy, Aug. 12, 1903, Vernon Bailey 596. U.S. Nat. 
Herb., sheet xo. 443,707. 
Pecos Baldy, July 11, 1908, 12,000 feet, Standley 4301. 
12. Delphinium macrophyllum sp. nov. 
Stems erect, from a woody (?) root, 7 to 15 dm. high, the 
largest I cm, in diameter at the base, glabrous almost to the 
inflorescence, striate ; leaves on petioles which are slightly dilated at 
the base and 15 cm. or less in length, blades circular to pentagonal 
in outline, the lowermost 15 to 20 cm. in diameter, apparently 5- 
to 7-lobed, in reality palmately divided to the base into three 
parts, the lateral divisions again parted two thirds to three fourths 
of the way down into two, sometimes three lobes, principal seg- 
ments rhombic in outline, 6 to 12 cm. long, from one third to 
one half as wide, with numerous coarse acute teeth, the uppermost 
leaves gradually growing smaller with narrower and fewer toothed 
segments, even the lowermost leaves finely pubescent on the veins, 
the uppermost pubescent on both surfaces ; inflorescence a branch- 
ing panicle (on oldest plants) or a simple raceme 15 to 40 cm. 
long, pedicels ascending, 1-2 cm. long, slightly elongated in fruit, 
bracts 5-8 mm. long, attached at the bases of the pedicels, floral 
bracts smaller and attached to the enlarged receptacles, all parts ot 
the inflorescence and the young follicles pubescent with short hairs, 
more or less glandular ; flowers of medium size, about 2 cm. long, 
deep blue; spur a little longer than the elliptic-ovate obtuse 
sepals, rather thick-conical, obtuse, slightly curved, horizontal or 
ascending ; upper petals minutely 2-toothed at the apex, lower 
petals blue, limb 2-parted half way to the base, lobes ovate-lanceo- 
late, erose; corolla with two small saccate outgrowths at the 
base of the limb, which is almost at right angles to the claw, an- 
other small saccate projection at the base of the claw; young 
follicles 3, erect, mature fruit not seen. 
The type is Metcalfe’s ~o. 737rz collected on Hillsboro Peak 
