488 



\ ery variahW'. ( tiie specimeu is about 1 m. high ami has broad leaves and minutely 

 pubescent stem ; some uru only about 1 dm. liigli and wboUy jj;labrou8. 



Ilermosa, altitude 1,0;")0 ni., June 2'2; Lead City, altitude 1,7U0 m., July G; Custer, 

 altitude l.ti.")() ni., August 1 (No. 557). 



Lycliuis drummoudii (Hook.) Wats. Bot. King lSur\\ '.i~ (1871); Sllenc (InimmuniUi 

 Hook. Fl. Hor. Anier. i, 811 (1830). 



It was collected only in fruit. The leaves are unusually narrow and the plaut 

 strict. Custer, altitude 1,650 m., August 16 (No. 558). 



Cerastium lougipeduuciilatuni 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. Kapid City, alti- 

 tiule 1,000 m., .luno 2."); south of Lead City, altitude 1,500 m., July 6; Kochford, 

 altitude 1,600 m., July 11 (No. 559). 



The more couimon form, about 2 to 3 cm. high, with leaves about 25 mm. long and 

 8 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 (Engelm.) Kobinson, Mem. Torr. Club, v, 150 (1894); 

 Ctiastium nutaun hrafhypodnm Engelm.; Gray, Man. ed. 5, 04 (1867). 



My spetimens are small and approach the variety compactiim,' to which .some of 

 them could be referred. Hermosa, on ]ioor soil, altitude 1,050 m., June 22 (No. 561). 



Cerastium arveuse L. Sp. PI. i, 438 (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 oblougifolium (Torr.) Britton A: llollick. Bull. Torr. Clnl», 

 xiv, 47 (1887); Cerastium oblotigifolhim Torr. Fl. U. S. 460 (l'^24). 



Custer, altitude 1,7(K) m.. May 31; Hot Springs, altitude 1,100 m., .luue 18; Elk 

 Canyon, altitude 1,300 m., June 29 (No. 563). 



Alsiue longifolia (Muhl.) Britton, Mem. Torr. Club, v, 150(1894) ; Stelluria Umtjifolia 

 Muhl.; Willd. Enum. 479 (1809). 



Grassy places, near water: below Terrys Peak, altitude 1,800 m., July 8; near 

 Sylvan Lake, altitude 2,000 m., July 18 (No. 564). 



Arenaria hookeri Nutt.; Torr. A; Gray. Fl. i, 178 (1838). 



Battle Mnnntain, east of Hot .Springs, altitude 1,150 m., June 18 (No. 565). 



Arenaria lateriflora L. Sp. PI. i, 423 (17.53). 



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). 



DilVer.s from tlie commou form in the length of tlie jietals, which scarcely exceed 

 the acute but not i)ointetl sepals. Th«; leaves are also somewhat broailer and more 

 flaccid. Sandy soil: Elk Canyon, altituile 1,200 m., .lune 29; Little Elk Canyon, 

 altitude 1,100 m., .June 28 (No. . 5(16). 



Arenaria verua hirta (Wornisk.) Wats. Bot. King Snrv. 11 il871); Anuaria hirla 

 Wormsk. Fl. Dan. x, 1646 (1819). 



(;landular-i>uberulent ; the ui)per leaves lanceolate, short, strongly 3-uerved. 

 Shady place among rocks, below Sylvan Lake, altitude 1,IH)0 m., July 18 (No. .5t}7). 



Paronychia jamesii Torr. & Gr. Fl. i, 170 ( 1838). 



Dry hills: Hot Springs, altitude 1,100 ni., .lune 13; Hermosa, altitude 1,100 m., 

 Juue23(No.959). 



PORTULACACE^. 



Talinum parviflorum Nult. ; Torr. A: Gr. Fl. i. 197 (1838). 



Among recks, on the south side of Buckhorn Mountain, north of ( iister. altitude 

 1,700 m., July 15 (No. .".09). 



'Bobiusou, Proc. ^Vmer. Acad, xxix, 278 (1894). 



