Nr. 27. Alnus Formen der europäischen Herbarien und Gärten. 123 
A. incana var. glauca Asa Gray, Manual of Botany ed. III 412 (1856). — 
Watson, Catal. of Plants Nevada et Utah 323 (1871). 
A. glutinosa var. virescens Wats., O. Auntze, Revisio gener. plant. II 631 
(1891). 
| A. incana var. 8. Hocker, Flor. boreal. Americ. II 157 (1838). 
Standorte: Nord-Amerika: Californien: Sierra Nevada, San Joaquin leg. 
Eisen (Hb. Up.). — Sierra Nevada, Donnar Pass leg. E. L. Greene (Hb. Kk. W. U.). 
— Sequoia Region, Carson Spur leg. G. Hansen [809] (Hb. De.—-Ha.—L.— Pt.— 
W.U.). — Sequoia Region, Amador County, Read River leg. G. Hansen [1961] 
(Hb. De.—Ha.). — Nevada County, Donnar Lake leg. A. A. Heller [0952] (Hb. Be. 
— Pt... — Ockland Hills leg. Hillebrand [als A. rubra] (Hb. Be.). — [sine loco] leg. 
J. G. Lemmon [207] (Hb. Boi.). — Siskigon County leg. E. Palmer [2559] [als A. 
rubra] (Hb. Be.). — Sierra Nevada, Summit Valley leg. Pringle (Hb. Boi.—Pr. B.). — 
—- Etna Mills leg. Kate J. Shirling (Hb.Chr.). — S. Nevada leg. ? [als A. viridis] 
(Hb. Brü.). — Silver Plume leg. ? (Hb. Kp.). — Colorado: Pegosa Park leg. C. F. 
Baker [278] (Hb. Be.—De.). — Bob Creek, La Plata Mts. leg. Baker, Earle et Tracy 
[196] (Hb. Be.—De.—W.H.). — Manitou leg. Engelmann et Sargent (Hb. Pt), — 
Hermosa leg. Baker (Hb. Be.). — Rocky Mts. leg. Hall et Harbour [519] (Hb. Boi. 
—Pr. B.—W.H.). — Colorado Springs leg. M. E. Jones [76] (Hb. Bdp.—Brü.). — 
leg. E. A. Popenoe (Hb. Ba. Boi.). — Rocky Mits., Cleer Creek leg. C. C. Parry [340] 
[als A. viridis] (Hb. Pt.). — Tongue Creek, Mesa grande leg. Purpus [389] (Hb. 
Pu.). — Idaho: Nef Perces County leg. A. A. et E. Heller [3489] (Hb. De. —Ha.— 
L.—Pt.—Z. U.). — Minnesota: Itaka Lake leg. Sandberg [1220] (Hb. Wa.—C.). 
— Montana: Bozerman leg. Blankinship [458a] (Hb. Kp.). — Bitter Root Forest 
Reserv. Lost Hose leg. Leiberg [2908] (Hb. Wa.—C.). — Yellowstone Park, Soda 
Butte Creek leg. A. et E. Nelson [5868] (Hb. Be.—De.—-Wa.). — Yellowstone Park, 
Spanish Basin leg. Rydberg et Bessey [3931] (Hb. De). — New Mexico: leg. 
Fendler [81] (Hb. Boi.— Gr. — Kp.—L.—Pt.— Roe. Lp.— Sto.— Up.). — Nevada: 
Kings Carson, Ormsby County leg. Baker [1235] (Hb. Bdp.—De.—Wa.—W. H.). — 
Carson City leg. M. E. Jones [4074] (Hb. Brü.—Hy. Bdp.). — Oregon: leg. Cusick 
[2511] (Hb. De.— Pr. B— W.H.). — Utah: Alta Whasatch Mts. leg. Jones [1498] 
(Hb. Boi.— Brü. — Bdp.—Kk. W. U.). — La Sal Mount leg. Purpus [6699] (Hb. Brm. 
— W.U.). — Washington: Falkon Valley leg. Sucksdorf [2183] (Hb. Wa.—C.). — 
“ Wyoming: Jakon, Albany County leg. Nelson [8056] (Hb. Be.). — [sine loco] leg. 
Hüffel (Hb. Roe. Lp.). — Kultiviert: Darmstadt: botan. Garten. leg. Purpus (Hb. 
C.). — Dresden: botan. Garten [als A. virescens Koehne] leg. Callier (Hb.C.). — 
Arboret Plantieres: [als A. virescens Koehne] leg. Simon Louis (Hb.C.). — 
Arboret Spaeth: [als A. tenuifolia Purpus 53] leg. Jensen (Hb.C.). — leg. Koehne 
(Hb. Ko. 13691). — Helsingfors: botan. Garten [als A. virescens] leg. Kihlmann 
(Hb.C.). — Kew: botan. Garten [als A. oregona und A. virescens] leg. ? (Hb. C.). 
— [als A. tenuifolia Purpusi] leg. Schneider (Hb. Schn.—C.). — [als A. incana 
glauca] leg. Schneider (Hb. Schn.—C.). 
Exsiccata: Baker, Plants of Nevada 1235 (Hb. Bdp.— De. —Wa.—W.H.). — 
Baker, Plants of Southern Colorado 278 (Hb. Be.—De.). — Daker, Earle et Tracy, 
Plants of South. Colorado 196 (Hb. Be.—De.—W.H.). — Blankinship, Plants of 
the State of Montana 458a (Hb.Kp.). — Cusick, Eastern Oregon plants 2511 (Hb. 
De.—Pr. B—W.H.). — Zendler, Plant. Novo-Mexicanae 811 (Hb. Boi.—Gr.—Kp. 
—L.— Lp.— Pt.—Sto.— Up.). — Hall et Harbour, Rocky Mountains Flora 519 (Hb. 
Boi.—Pr. B—W.H.). — Hansen, Flora of the Sequoya Region 809 (Hb. De. — Ha.—L. 
Pt.—W.U.). — 1961 (Hb. De. —Ha.). — Heller, A. 6952 (Hb. Be,—Pt.). — Heller, A, et 
E., Idaho Plants 3489 (Hb. De. —Ha.—L.— Pt. —/Z. U.). — Jones, Flora of Colorado 76 
(Hb. Brü.—Bdp.). — Flora of Nevada 4074 (Hb. Brü.—Bdp.). — Flora of Utah 
1498 (Hb. Boi.—Brü. —Bdp.—-Kk. W. U.). — Zeiderg, Flora of Montana 2908 (Hb. 
