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Mentzelia multiflora (Desert blazingstar), Colorado Plateau. May 1954.
Eriogonum ovalifolium (Silver plant or cushion eriogonum). Colorado Plateau. June 1954. Published in U.S.Geological Survey Bulletin 1030-M, figure 121. 1957.
Oenothera caespitosa (Tufted evening-primrose). Colorado Plateau. May 1952. Published in U.S.Geological Survey Bulletin 1030-M, figure 113. 1957.
Aplopappus armeriodes (Goldenweed). In bud. Colorado Plateau. May 1950.
Album Caption: Astragalus aculeatus A. Nels. Family : Pea, Legnminosae. Subgenus: Kentrophyta. Flowers : Irregular, small purple pea-shaped flowers about 4 mm long, in axils of leaves, Blooms in July. Leaves : Pinnate, with 5 stiff spine-tipped leaflets 1/2 inch long. Fruit : Pods with 2 prominent sutures 1-celled, ovoid, 1/8 inch long. Plant : Perennial, with strong taproot, branches sprawling or erect, so densely covered with prickly leaves as to appear clublike. Published in U.S.Geological Survey Bulletin 1030-M, figure 94. 1957.
Album Caption: Astragalus pattersoni A. Gray. Family : Pea, Legurninosae. Subgenus: Jonesiella Flowers : Cream-colored irregular flowers with purple clot on keel, growing in tall clusters which extend beyond the foliage. Blooms in April and May. Leaves : Pinnate with numerous oval leaflets. Fruit : Fat pods mounted on short stem. Seeds rattle in pod when dry (then called rattleweed). Root : Very long taproot, commonly 30 feet or more in length. Plant : Perennial, 1-4 feet high. Garliclike odor common to foliage owing to presence of selenium. Published in U.S.Geological Survey Bulletin 1030-M, figure 76. 1957.
Album Caption: Calochortus nuttalli Torr. & Gr. Family : Lily, Liliaceae. Flowers: Three large white petals marked yellow and purple at base. Gland with hairs at base of petal. One to five flowers on stalk. Blooms in April and May. Leaves : Several alternate grasslike leaves about 6 inches long, trough-shaped in cross section. Onionlike bulb. Fruit : Three-angled capsule. Plant : Spring ephemeral. Grasslike leaves arising from bulb. Published in U.S.Geological Survey Bulletin 1030-M, figure 98. 1957.
Calochortus nuttalli (Sego lily). Colorado Plateau. April 1953. Published in U.S.Geological Survey Bulletin 1030-M, figure 99. 1957.
Astragalus tenellus (Looseflower milkvetch). Colorado Plateau. July 1954.
Album Caption: Sphalerite-bearing Stromatopora in Lockport dolomite southeast of Clarendon. Orleans County, New York. April, 1948. Published in U. S, Geological Survey Bulletin 1000-D, plate 4. 1955.
Strornatopora in Zone 1 boulder of Lockport dolomite southeast of Clarendon. Orleans County, New York. April 1948. (Specimen). Published in U.S.Geological Survey Bulletin 1000-D, Plate 6-B. 1955.
Album Caption: Zigadenus gramineus Rydb. Family : Lily, Liliaceae. Flowers: Inconspicuous greenish-white flowers with 6 "petals" which grow in a raceme on flower stalk about 8 inches high. Gland near the base of the petal. Blooms in April. Leaves : Smooth, narrow, grasslike leaves arising from bulb. Fruit : Three-celled capsule. Plant : Spring ephemeral. Bulb with membranous covering. Published in U.S.Geological Survey Bulletin 1030-M, figure 100. 1957
Album Caption: Cryptantha flava A. Nels. and related species. Family : Borage, Boraginaceae. Flowers: Pale-yellow, tubular flowers one-fourth inch long in small congested, densely hairy heads. Blooms in spring and summer. Leaves : Rough, simple, linear, and mostly basal. Fruit : Smooth oval nutlet. Plant : Stout, pale-green, hairy perennial 4 to 12 inches high, growing from woody base. Published in U.S.Geological Survey Bulletin 1030-M, figure 110. 1957.
Album Caption: Oenothera albicaulis Pursh. Family : Primrose, Onagraceae. Flowers: Four large white lobes resembling petals at end of tube 1 inch long. Blooms from May to July. Leaves : Basal leaves, blunt, spatulate, toothed. Stem leaves, 2 to 5 inches long, deeply divided. Fruit : Pod, 1/2 to 2 inches long, 1/2 inch thick. Plant : Annual or biennial, 4 to 12 inches high, branched at the base. Published in U.S.Geological Survey Bulletin 1030-M, figure 114. 1957.
New York. Drainage ditch in Orleans County, showing second peat layer in the marl. June 1947.
Calochortus nuttalli (Sego lily). Colorado Plateau. April 1953.
Stipa comata (Needleand thread). Colorado Plateau. June 1950. Published in U.S. Geological Survey Bulletin 1030-M, figure 127. 1957.
Lepidium montanum (Mountain pepperweed). Colorado Plateau. May 1950.
Astragalus thompsonae. Showing flowers and seed pods. Colorado Plateau. May 1949.
Album Caption: Astragalus dodgianus Jones. Family : Pea, Leguminosae. Subgenus: Honialobus. Flowers : Irregular, white, pealike flowers with purple-tipped keel. 1/3 inch Black hairs on calyx which has triangular teeth. Blooms in May. Leaves : Odd pinnate with 9 to 11 linear leaflets 1/3 inch long. Fruit : Linear pod 1-celled with short stem. Flattened, with both sutures prominent and lower suture straight. Plant : Sparingly hairy perennial with slender lax stems and woody root stalk. Published in U.S.Geological Survey Bulletin 1030-M, figure 90. 1957
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