501 
Circza alpina L. Sp. PI. i, 9 (1758). 
The specimens have less toothed leaves than usually, suggesting C. pacifica ; ut 
evidently they are not distinct from C. alpina, Shaded, damp place at the foot of 
Buckhorn Mountain, altitude 1,700 m., July 16 (No. 712). 
LOASACES. 
Mentzelia decapetala (Pursh) Urban & Gilg, in Engler and Prantl. Nat. Pri. iii 
Teil, 6 Abt. a, 111 (1894); Bartonia decapetala Pursh; Sims, Bot. Mag, xxxvi, t. 1487 
(1812). 
Bartonia ornata' is two years later and must give way to the older name. Rare: 
Hot Springs, altitude 1,100 m., August 9 (No, 713). 
Mentzelia nuda (Pursh) Torr. & Gr. F1. i, 535 (1840); Bartonia nuda Pursh, FL. 1, 
32% (1814). 
Rare: Hot Springs, altitude 1,050 m., August 3 (No. 714). 
Mentzelia oligosperma Nutt.; Sims, Bot. Mag. xlii, t. 1760 (1815). 
This was collected by Albert F, Woods near Hot Springs, but was not obtained by 
the writer. 
CACTACESA. 
Cactus missouriensis (Sweet) Kuntze, Rev. Gen. PI. i, 259 (1891); Vamillaria 
missouriensis Sweet, Hort. Brit. 171 (1827). 
Custer, altitude 1,650 m., June 4; Hot Springs, altitude 1,100 m., June 15 (No. 715). 
Opuntia humifusa Raf. Aun. Nat. 15 (1820); 0. rafinesquit Engelm. Pac. R. Rep. 
iv, 41 (1854). 
Hills, 15 miles east of Custer, altitude 1,400 m., July 23 (No, 716). 
Opuntia fragilis (Nutt.) Haw. Syn. Pl. Suec. Suppl. 82 (1819); Cactus fragilis 
Nutt. Gen, i, 296 (1818). 
Plant only, collected near Minnekahta, altitude 1,300 m., August 5 (No. 717). 
UMBELLIFPERSA.. 
Adorium tenuifolium (Nutt.) Kuntze, Rev. Gen. Pl. i, 264 (1891); Musenium tenui- 
folium Nutt.; Torr. & Gr. Fl. i, 642 (1810). 
Very variable in size, according to the locality. The specimens from Custer, 
altitude 1,700 m., June 4 and August 1, seem to be typical, therefore like those of 
western Nebraska, Those from Hot Springs, altitude 1,100 1m., June 15, growing in 
a more shaded locality, among gypsum rocks, are large with more striate scape. 
Those from the exposed granite rocks near Harneys Peak, altitude 2,200 m., June &, 
are tufted, very low and delicate (No. 718). 
Adorium hookeri (Torr. & Gr.); Musenium divaricatum hookeri Torr. & Gr. FI. i, 
642 (1840); IMusenium trachyspermum Nutt.; Torr. & Gr., loc. cit., lower on the page. 
Hermosa, altitude 1,000 m., June 22 (No. 719). 
Carum carui L. Sp. Pl. i, 263 (1753). 
The ribs of the fruit have each a bundle of strengthening cells and a small oil 
tube, a fact that [ have not seen pointed out. 
Near a small brook, 3 miles north of Deadwood, altitude 1,400 m., July 5 (No, 720). 
Carum gairdneri (Nutt.) Benth. & Hook. Gen, Pl, i, 891 (1867); Ndosmia gairdnert 
Nntt.; Torr. & Gr. FI. i, 612 (1840). 
This is included in Gray’s list, in Newton & Jenney’s Report.’ but no specimens 
have been seen by the author from the region. 
'Pursh, FI. 1, 326 (1814). 
2Geol. Sury. Black Hills, 533 (1880), 
