PINK FAMILY 489 



Eefs. AREXARIA COMPACTA Cov. Proc. Biol. Soc. Wash. 7: 67 (1892), type loc. near Whit- 

 ney Mdws., Coville 1653; Contrib. U. S. Nat. Herb. 4: 70, pi. 5 (1893). 



5. A. congesta Nutt. Flowering stems slender, simple, many from the 

 branching or matted crown of a perennial taproot, densely leafy at base, viscid, 

 4 to 10 inches high ; basal leaves setaceous or needle-like, ciliolate-serrate near 

 the base, % to % or 2 inches long; cauline leaves reduced to distant bracts 

 2 or 3 lines long; flowers congested in a head or close cluster, sessile or on 

 pedicels 1 to 2 lines long; sepals broadly ovate, acute; petals oblong, 2 lines 

 long, considerably exceeding the sepals. 



High Sierra Nevada and North Coast Ranges, 6000 to 10,000 feet. North to 

 Washington, east to Colorado. 



Locs. Coast Ranges: Snow Mt., Purpus 1143; South Yollo Bolly, Jepson; Trinity Summit, 

 Mary H. Manning; Log Lake near Marble Mt., w. Siskiyou, Butler 51. Sierra Nevada: Mt. 

 Bid-well, Mary H. Manning ; Dixie Mts., Lassen Co., Baker $ Cutting; Lassen Peak, E. M. 

 Austin; Gold Lake, Hall 4" BabcocTc 4509; Little Cottonwood Creek near Mt. Whitney, Jepson 

 924; Mt. Guyot, Hall # Babcock 5527; Farewell Gap, Hall # Babcoclc 5348; Little Kern 

 River, Purpus 1780. 



Var. suffrutescens Rob. Root-crown woody; cauline leaves less reduced; 

 heads umbellate with pedicels 2 to 4 lines long. Sierra Nevada and far North 

 Coast Ranges. Passing into the type and scarcely worth definition. 



Locs. Sand Meadow, Sequoia Park, Jepson 4677; Lost Creek, Sawtooth Range, Jepson 

 4997; Sierra Co., Lemmon; Eed Clover Creek, Plumas Co., Hall $' Babcoclc 4447; Milford, 

 Lassen Co., T. Brandegee; Log Lake, w. Siskiyou, Butler 51; Union Creek, Salmon Mts., 

 Hall 8605. 



Eefs. AREXARIA CONGESTA Nutt.; T. & G. Fl. 1: 178 (1838), type loc. n. Rocky Mts., 

 Nuttall. Var. SUFFRUTESCENS Bob. Proc. Am. Acad. 29: 295 (1894). Brewerina suffrutes- 

 iTitf< Gray, Proc. Am. Acad. 8: 620 (1873), type spms. from Cisco and Donner, Bolander, 

 Kellogg. Arenaria suffrutescens Heller, Muhl. 6: 96 (1910). 



6. A. aculeata Wats. Flowering branches erect, 4 to 6 inches high, nearly 

 naked ; branches of the root-crown many, short, densely leafy at summit, form- 

 ing a dense mat, only a few of them giving rise to flowering branches ; herbage 

 minutely glandular; foliage very glaucous; leaves subulate, pungent, 4 to 8 

 lines long ; flowers in a rather close mostly few-flowered cyme ; sepals ovate, 2 

 lines long, acute, the petals l 1 /^ times as long. 



Mountains of the Great Basin ; in California reported only from Inyo Co. 



Locs. Argus Mts., Purpus 5375; Tonopah, Nev., Shoclcley ; Mt. Rose, Washoe Co., Nev., 

 P. B. Kennedy. 



Refs. ARENARIA ACULEATA Wats. Bot. King, 40 (1871), type loc. Fremont's Pass, East 

 Humboldt Mts., Nev., Watson. A. congesta var. aculeata Jones, Proc. Cal. Acad. ser. 2, 5: 

 626 (1895). 



7. A. macradenia Wats. Flowering stems erect, often swollen at the joints, 

 8 to 15 inches high, arising from a woody branching crown 1 to 4 inches high 

 and ending above in a loosely branched cymose inflorescence ; herbage glabrous, 

 rarely a little viscid ; leaves acerose or subulate, obscurely ciliate at base, % to 

 2% inches long, the cauline little or not at all reduced and the basal rarely 

 dense or congested; pedicels 4 to 14 lines long; sepals ovate, very acute, 

 2y 2 to 3 lines long, the petals equaling or commonly 1 or iy 2 lines longer than 

 the sepals ; filaments of stamens opposite sepals with glands at base. 



Mountains bordering the Mohave Desert, north to Inyo Co., south to Santa 

 Rosa Mt., and east to Utah and Arizona, 4000 to 7000 feet. 



Locs. Bishop, Heller 8357; Lone Pine, Jones; Argus Mts., Purpus 5088; Pahute Peak, 

 Purpus 5086; Greenhorn Mts., Hall $ Babcoclc 5080; Rock Creek, w. Mohave Desert, Davidson; 

 Mt. Gleason, Barber 248; Swartout Canon, Mt. San Antonio, Hall 1276; n. slope San Ber- 

 nardino Mts., Parish 3734; Coyote Canon, Santa Rosa Mt., Hall 2126. 



Refs. ARENARIA MACRADENIA Wats. Proc. Am. Acad. 17: 367 (1882), type loc. Mohave 

 Desert, Palmer, S. B. $ W. F. Parish. A. congesta var. macradenia Jones, Proc. Cal. Acad. 

 ser. 2, 5: 626 (1895). A. macradenia var. parishorum Rob. Proc. Am. Acad. 29: 296 (1894), 



