62 A. A. Heller. 
dense mats, often carpeting the ground in suitable situations. In Cali- 
fornia, at least, it has passed for Arenaria verna hirta, 
y 6. Eriogonum Smallianum Heller, 1. c., p. 68. 
Perennial, the lignescent part of the stem gnarled and prostrate, 
covered with brown, flaky bark, sometimes very short, or sometimes a 
decimeter or more in length; stems of the season with a maximum 
length of about 2 dm, two or occasionally umbellately branched above, 
clothed with a close lanate pubescence; leaves basal, obovate or obovate- 
spatulate, the largest about 13 mm long, including the petiole of 2—3 mm, 
densely covered with a felt-like mat of hairs, especially the lower side, 
which is white, the upper greenish: umbels simple, one to three rayed, 
the peduncles 1—3 cm long; involucres calyx-like, densely wooly, about 
4 mm high, the short segments barely acute; flowers sulphur yellow with 
a midvein orange or red, on slender pedicles of 1 mm, the segments 
about 5 mm long, 2 mm wide, obovate, rounded, or sometimes acutish, 
the stipitiform base about one-fourth the length of the segments. 
No. 5996, collected in open, stony ground, near the summit of Mt, 
Sanhedrin, Lake county, July 28, 1902, and distributed as E. croceum. 
Small but differing from that species in its lower, more cespitose growth, 
denser pubescence, fewer and more simple umbels on stouter peduncles, 
etc. E. croceum, originally collected by Mrs. Heller and myself on the 
“breaks” of the Salmon river, northern Idaho, probably does not occur 
in California, although plants similar to our type of E. Smallianum have 
been labeled as such, 
y 7. Delphinium luteum Heller, 1. c., p. 68. 
About 3 dm high, somewhat branched; stems with very few short 
hairs, purplish; leaves deep green, mostly basal, one exceeding the in- 
florescence, the blade orbicular in outline, about 6 cm in diameter, 5- 
parted into broad cuneate segments, these unequally 3—5-lobed, shortly 
mucronate, sparsely short hairy on both faces; the long petioles broadened 
below into a somewhat sheathing ciliate base; flowers pale yellow, pubes- 
cent, 3 cm long, half of that length occupied by the stout, straight or 
only slightly curved horizontal spur; the divisions broadly obovate, regular, 
the mouth about 2 cm across. 
No. 5256, collected on grassy slopes about rocks, near Bodega Bay, 
along the road leading to the village of Bodega. A well-marked species, 
its nearest relative being D. nudicaule. 
¿ 8. Crataegus gaylussacia Heller, |. c., p. 69. 
A slender tree about 20 feet high, with gray bark, the young twigs 
reddish; branches slender, rather remote, wide spreading; thorns stout, 
scattered, 1 em long; leaves pubescent above, with short appressed hairs, 
especially on the veins, glabrous or nearly so beneath, those on the young 
shoots broadly ovate, about 4 cm long, 3 cm wide, acuminately tipped, 
irregularly serrate and somewhat three-lobed, the teeth callous tipped; 
the leaves of the older growth obovate, cuneate, 3—4 em long, including 
