50 
IOWA ACADEMY OP SCIENCE 
Amelanchier canadensis (L.) Medic. Mrs. Rose Schuster Tay- 
lor reports it on the Big Sioux in South Dakota near Sioux City. 
Crataegus mollis (T. G.) Scheele. Sioux City 11 (HBC), 9 
(KST), Oto 28 (HBC), Missouri Valley 5, 18 (HBC), Ham- 
burg 21 (HBC & LHP), Sioux City (LHP), Crescent 3111 (D. 
B. Baker), Turin (LHP), Sioux Kapids (LHP), Council Bluffs 
29 (LHP & HBC), Payne (LHP & HBC). This species is com- 
mon in the region and apparently the only haw found here. 
Rubns idaens L. var. aculeatissimns (C. A. Mey.) Kegel & 
Tiling. Commonly cultivated. 
Bubus neglectus Peck. Shaffer. Easpberry. This is a hybrid 
between the red and black cap raspberries. Commonly culti- 
vated. 
Bubus occidentalis L. Black cap Easpberry or Thimbleberry. 
Sioux City (Bandusia Wakefield), Council Bluffs 50 (LHP & 
HBC), Missouri Valley 10 (HBC), Sioux Eapids (LHP). Ap- 
parently native. Commonly cultivated. 
Bubus villosus Ait. High Bush Blackberry. Commonly culti- 
vated and an escape. Hamburg, Sioux City. Sometimes creep- 
ing. 
Bosa setigera Michx. Prairie Queen Eose. Cultivated. 
Bosa rubiginosa L. Sweet Brier. Commonly cultivated. 
Bosa centifolia L. Cabbage Moss Eose. Cultivated. 
Bosa sulphurea Ait. Yellow Eose. Cultivated. 
Bosa rugosa Thumb. Japanese Eose. Cultivated. 
Bosa pratincola Greene. Wild Eose. Sioux City (LHP & 
Bandusia Wakefield), Hamburg, Sioux Eapids (LHP), Mis- 
souri Valley (LHP), 12 (HBC). Common. The state fiower. 
Primus serotina Ehrh. Wild Black or Eum Cherry. Payne 
(LHP & HBC). Some small trees apparently indigenous. Ham- 
burg 20 (LHP & HBC). Apparently indigenous. Small trees. 
Council Bluffs 22, 49 (LHP & HBC), Missouri Valley (HBC). 
Small trees in woods. None of the trees observed were more than 
four inches in diameter. 
Prunus virginiana L. Choke Cherry. Sioux City 20 (HBC), 
(LHP), Hamburg (LHP & HBC), Oto, Missouri Valley 20 
(HBC), Payne (HBC & LHP), Council Bluffs (LHP & HBC). 
Common in all of the ravines. 
Prunus Padus L. May Day Tree. Cultivated. The earliest 
of the blooming choke cherries of Europe. Sometimes escaped, 
most closely allied to the Wild Choke Cherry. So called in 
Europe because blooming about the first of May. 
