488 
Very variable. One specimen is about 1 m. high and has broad leaves and minutely 
pubescent stem; some are only about 1 dm. high and wholly glabrous. 
Hermosa, altitude 1,050 m., June 22; Lead City, altitude 1,700 m., July 6; Custer, 
altitude 1,650 m., Angust 1 (No. 557). 
Lychnis drummondii (Hook.) Wats. Bot. King Surv. 37 (1871); Silene drummondii 
Hook. Fl. Bor. Amer. i, 89 (1830). 
It was collected only in fruit. The leaves are unusually narrow and the plant 
strict. Custer, altitude 1,650 m., August 16 (No, 558). 
Cerastium longipedunculatum Muhl. Cat. 46 (1813). 
This is very variable. Some are 3.5 to 4.5 dm. high, with large leaves 3 to 5 cm, 
long and 8 to 12 mm. wide, oblong, oval-lanceolate or spatulate, Rapid City, alti- 
tude 1,000 m., June 25; south of Lead City, altitude 1,500 m,, July 6; Rochford, 
altitude 1,600 1m., July 11 (No, 559), 
The more common form, about 2 to 3 em. high, with leaves about 25 mm, long and 
&mm, wide, oval or broadly oblong, was collected near Lead City, altitude 1,500 m, 
July 6; Custer, altitude 1,650 m., June 4 (No, 560), 
Cerastium brachypodum (Hngelm.) Robinson, Mem. Torr. Club, v, 150 (1894); 
Cerastium nutans brachypodum Engelm.; Gray, Man. ed. 5, 94 (1867). 
My specimens are small and approach the variety compactum,! to which some of 
them could be referred. Hermosa, on poor soil, altitude 1,050 m., June 22 (No. 561). 
laces 
Cerastium arvense L. Sp. Pl. i, 488 (1753). 
Rarer than the next: Elk Canyon, altitude 1,200 m., June 29; Lead City, altitude 
1,700 m., July 6 (No. 562). 
Cerastium arvense oblongifolium (Torr.) Britton & Hollick, Bull. Torr. Club, 
xiv, 47 (1887); Cerastium oblongifolium Torr, Fl. U.S. 460 (1824). 
Custer, altitude 1,700 m., May 31; Hot Springs, altitude 1,100 m., June 18; Elk 
Canyon, altitude 1,300 m., June 29 (No. 565). 
Alsine longifolia (Muhl.) Britton, Mem. Torr. Club, v, 150 (1894) ; Stellaria longifolia 
“Muhl.; Willd. Enum. 479 (1809). 
Grassy places, near water: below Terrys Peak, altitude 1,800 m., July &; near 
Sylvan Lake, altitude 2,000 m., July 18 (No. 564), 
Arenaria hookeri Nutt.; Torr. & Gray, Fl. i, 178 (1888). 
Battle Mountain, east of Hot Springs, altitude 1,150 m., June 18 (No. 565). 
Arenaria lateriflora lL. Sp. Pl. i, 428 (1753). 
Shady woods: Elk Canyon, altitude 1,200 m., June 29; Sylvan Lake, altitude 2,000 
m., July 18 (No. 568). 
Arenaria stricta Mx. Fl. i, 274 (1803). 
Differs from the common form in the length of the petals, which scarcely exceed 
the acute but not pointed sepals. The leaves are also somewhat broader and more 
flaccid. Sandy soil: Elk Canyon, altitude 1,200 m., June 29; Little Elk Canyon, 
altitude 1,100 m., June 28 (No. 566). 
Arenaria verna hirta (Wormsk.) Wats. Bot. King Surv. 41 (1871); Arenaria hirta’ 
Wormsk. F]. Dan. x, 1646 (1819). 
Glaudular-pnberulent; the upper leaves lanceolate, short, strongiy 3-nerved. 
Shady place among rocks, below Sylvan Lake, altitude 1,900 m., July 18 (No. 567). 
Paronychia jamesii Torr. & Gr. Fl. i, 170 (1838). 
Dry hills: Hot Springs, altitude 1,100 m., June 13; Hermosa, altitude 1,100 m., 
June 23 (No. 959). 
PORTULACACES. 
Talinum parviflorum Nutt.; Torr. & Gr. Fl. i, 197 (1888). 
Among recks, on the south side of Buekhorn Mountain, north of Custer, altitude 
1,700 m., July 15 (No. 569), 
! Robinson, Proc. Amer, Acad, xxix, 278 (1894). 
