82 A. Callier: 1918. 
A. viridis DC., 7örrey, Un. St. et Mexic. Boundary Survey. 209 (1858). ? 
Standorte: Nord-Amerika: Arizona: Camp Lincoln leg. Palmer (Hb. Wa.). 
— California: [sine loco] leg. Bolander (Hb. Boi.). — San Francisco leg. Bolander 
[als A. rubra] (Hb. Fl.). — San Gabriel, Los Angelos County, leg. Brewer [107] 
(Hb. Wa.). — Plumer County leg. Congdon (Hb. Boi.), — San Bernardino Mts. leg. 
Grinnell (Hb. Wa.). — leg. Vasey [als A. oblongifolia] (Hb. Pt.). — Pasadena leg. 
Jones [2864] (Hb. Brü.— Hy. Bdp.). — Sulfur Mits. Spring, Ventura County leg. 
Abrams et Gregor [59] (Hb. Wa.). — Ukiah leg. Pringle (Hb. Boi.—Ha.—Kk.W. 
U.— Pr. B.). — Sierra Nevada, Bear Creek leg. Purpus [1670] (Hb.Pu.). — Potter 
Valley leg. Purpus [815] (Hb.Pu.). — Etna Mills leg. Miss Kate E. Stirling [als 
A. tennifolia®] (Hb. Chr.—Mü.). — Byron Gulch leg. Ward (Hb. Wa.). — South 
Fork Americ. River leg. Anderson (Hb.Chr.). — Plumer Counby leg. Canby (Hb. 
Up.). — Nevada City leg. Tiling (Hp. Pt.). — Idaho: Lewiston, Nef Perces County 
leg. A. et E. Heller [3117] (Hb. Z.U.). — New Mexico: [sine loco] leg. Vasey 
(Hb. Pt.). — Oregon: Ashland leg. Engelmann et Sargent (Hb. Pt... — Drain leg. 
Engelmann et Sargent [als A. tenuifolia] (Hb. Pt), — Wimer leg. Hammond [344] 
(Hb. Kp.). — Rognes River, Corants Pass. leg. Henderson (Hb. Pt... — Saskat- 
chawan: [sine loco] leg. Bourgeau (Hb. Mü.). — Waitsburg leg. Horner [25] (Hb. 
Wa.). — Klickitat County leg. Sucksdorf [224] (Hb. Mü.). — Kultiviert: Breslau: 
botan. Garten [als A. rhombifolia] leg. Hoelscher (Hb.C.).. — hortus Callier- 
Carolath: leg. Callier (Hb.C.). — Darmstadt: botan. Garten [als A. viridescens 
Mesa Grande] leg. Purpus (Hb. C.). — Arboret Späth: [als A. rhombifolia 58—109] 
leg. Jensen (Hb. C.). — [als A. rhombifolia 58 Y.] leg. Jensen (Hb. C.). — Tharandt: 
botan. Garten [als A. rhombifolia] leg. Büttner (Hb. C.). -— leg. Walter (Hb. Hb.). — 
Arboret Weener: [als A. rhombifolia] leg. Hesse (Hb.C.). — Kew: botan. Garten 
[als A. rhombifolia] leg. ? (Hb.C.). — Nord-Amerika: Arnold Arboretum: [als 
A. rhombifolia] leg. Rehder (Hb. C.). 
Exsiccata: Brewer 107 (Hb. Wa.). — Z/mer 896 (Hb. De.), — Hammond 344 
(Hb.Kp.). — Heller, A. et E., Plants of Idaho 3117 (Hb.Z.U.). — Horner, Plants 
of Southest Washington 25 (Hb. Wa.). — Jones, Flora of California 2864 (Hb. Bdp. 
— Brü.). — Le Roy-Abrams et Gregor, Plants of South California 59 (Hb. Z. U.). — 
Plaskett, Plants from Santa Lucia Mount. 14 (Hb. Wa.). — Purpus 815 (Hb. Pu.). 
— 1670 (Hb. Pu.). — Sucksdorf, Flora of Washington 224 (Hb. Mü.). 
var. b) ovalis H. Winkler. (Tafel 20, Fig. 1.) 
Ältere Zweige rotbraun, kahl; Lenticellen zahlreich, groß, rund, gelblich; junge 
Zweige rotbraun, Lenticellen zahlreich, länglich, gelblich; Knospen rotbraun, glänzend, 
kahl; Blätter regelmäßig-oval, (53)—7—11:(3)—5—7 cm groß; Blattspitze stumpf, 
abgerundet; Blattrand unregelmäßig gezähnt, Zähne kurz, schwielig; Blattoberseite 
zerstreut behaart; Blattunterseite: Nerven und Fläche dicht wollig kurzhaarig; Seiten- 
nerven 9—10. 
Literatur: A.rhombifolia Nutt. var. ovalisH. Winkler, Betulaceae 115 (1904). 
A. serrulata (Ait.) Willd., Zollzinger in Contribut. of the Nat. Herbar. 
Washington III, Nr. 4, 250 (1895). 
Standorte: Nord-Amerika: Arizona: Black Mesa Fores Reserve, Congon of 
With Clus Creek leg. Coville [1025] (Hb. Wa.). — California: Los Angelos County, 
San Ambrosio Canon leg. Baker [366] (Hb. Bdp.—Brü.—W.H.). — Monterey 
County, Jassajaca Hot Springs leg. Elmer [3117] (Hb. De—Hb.—Z.U.). — San 
Diego County, S. Felipe Canon leg. Palmer [361] (Hb. Pt.. — Idaho: Nef Perces 
County, Sapirar Agency leg. Sandberg, Macdonald et Heller [133] (Hb. Wa.). 
Exsiccata: Baker, Plants of Pacific Coast 3667 (Hb. Bdp.—Brü.—W.H.). — 
Coville 1025 (Hb. Wa... — Elmer 3117 (Hb. De. —Hb.—Z.U.). — Palmer 361 
(Hb. Pt.). — Sandberg, Macdonald et Heller, Plants of North Idaho 133 (Hb. Wa.). 
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