— 682 = 
Synonyma. — A. cardiophyUum Greene in « Leafl. of bot. obs. a. crit. », vol. I (1903-1906), 
pag. 79 (25 agosto 1904) [forma foliis cordatis]. 
— A. rotundifolium Greeue in loc. cit., vol. IT (1910-12), pag. 186 (13 marzo 1912) [forma folîis 
rotundatis]. 
— A. Austinae Greene in loc. cit., vol. II (1910-12), pag. 188 (13 marzo 1912) [forma pauciflora 
et paucifoliata], 
— A. paniculatum Greene in Sched., non in Leafl., vol. II, pag. 183. 
A. hypericifolium var. intermedium Nob. in Hb. al. 
Staz. e loc. — Lo riscontrammo nei seguenti Stati della Confederazione: 
Stato di Washington. — Washington, 25 VII 1900, leg. Piper, Yora 
of Washington, n. 3508 (in Hb. U. S.); Low Lake, 20 VII 1897, leg. Winston 
(in Hb. U. S.); gravelly soil, Bumed timber area, Cherlum Lake, 21 VIII 1902, leg. 
Cotton, Zora of Jakina Region, n. 858 (in Hb. U. S.); Wenatchu, 27 VI 1896, 
leg. Whited, n. 142, sub: A. andrasaemifolium (in Hb. U. S.); Rashyn, 9 VI 1897, 
leg. Whited, Plants of Washington, n. 468, sub: Apocynum sp. (in Hb. U. S.); 
Whitman Co., growing in rieh loose soil, 9 VII 1896, leg. Elmer, Ylora of Whitman 
Co., n. 158, sub: A. androsaemifolium (in Hb. U.S. et Hb. Br.); Steep mountain, 
side near Bingen, Klickitat Co, 9 VI 1905, leg. Suksdorf, Washington Flora, n. 5133, 
sub: A. androsaemifolium (in Hb. U. S. et Hb. Br.). 
Montana. — Spanish Basin, Gallatin Co., 6500’, 23 IV 1897, leg. Rydberg 
a. Besey, Explor. of Montana a. Yellowst. Park, n. 4701, sub: A. androsaemifolium 
(in Hb. U. S et in Hb. Pb.); ex territorio Montana juxta Heron, VIII 1884, leg. 
Ball sub: A. androsaemifolium (in Hb. Br.). 
Utah. — Creek Caron, 11 IX 1880, leg. Jones, sub: A. cannabinum (in 
Hb. U. S.). 
Wyoming. — River Bottoms, 7200", 10 VII 1901, leg. Twedy, P/arés of 
Wyoming, n. 4640, sub: A. ambigens (in Hb. U. S.). 
Oregon. — Coniferous woods, Rogue River, 25 VIII 1896, leg. Gosman, 
Flora of the Pacific Coast, n. 525, sub: A. androsaemifolium (in Hb. U. S.); Dry 
Creek, north-west of Wallowa, 4000, stony soil, 6 VII 1907, leg. Sampson a. 
Pearson, Plants of Oregon, n. 76 (in Hb. U. S.); Klamath River, about then miles 
below Spencer-Creek, on dry rochs in bed of Caîion, 18 V 1898, leg. Elmer, Plants 
of Oregon, n. 2081 (in H. U.S); Hendale, 26 VI 1903, leg. Meaum, sub: Apo- 
cynum (in Hb. U. S.); Crook County, dry ground in edge of pine timbu, vicinity of 
Luidlaw, 4 VII 1907, leg. Whited, Plaris of Oregon, n. 3221 (in Hb. U. S); 
Hillsides of Pine Creek, near Snak Riv. (common), 13 VII 1900, leg. Lusick, Zastern 
Oregon Plants, n. 2438 (in Hb. U. S. et Hb. Br.); near Diamond Lake, along a 
strom near the Lake, 6 VIII 1897, leg. Coville a. Elmer, Plants of Oregon, n. 458 
(in Hb. U. S.); Reddles, 22 IX 1899, leg. Ward, n. 71, sub: Apocyrum (in Hb. 
U. S.); near Medoc Point, 8 VIII 1902, leg. Coville, Plazts of Oregon, n. 1274, 
sub: Apocynum sp. (in Hb. U. S.); Swan Lake Valley, pine woods, 8 VII 1896, 
leg. Elmer, ex herb. Elmer, n. 447, sub: A. androsaemifolium (in Hb. U. S.); 
Southeastern Oregon, 1886, leg. Austin, sub: Apocynum sp. (Hb. Gr. ap. Hb. U. S.); 
Waldo, VI 1884, leg. Th. Howell, sub: A. camnabinum (in Hb. Pb.). 
