PINK FAMILY 493 



Perennials. 



Erect or ascending, more or less succulent, with fusiform fleshy roots; saline or seacoast 



habitats '. 1. S. macrotheca. 



Prostrate, not obviously succulent; roots fibrous, not fleshy-fusiform. 



Stems long and somewhat straggling, from a matted or tufted center, flowering from 



the middle to the ends of the branches 2. S. rubra. 



Plants matted; flowering mostly at the ends of the branches 3. »S. clevelaiidii. 



Annuals, quite erect or ascending. 



Herbage more or less pubescent ; saline habitats. 



Capsules slightly longer than the sepals; petals .5, nearly equaling the sepals 



4. S. saliiia. 

 Capsules nearly twice as long as the sepals ; petals 3 to 5, i/o to % as long as the 



sepals 5. S. tenuis. 



Herbage glabrous; flowers 'o to 1 line long; dried ponds 6. S. platerisis. 



1. S. macrotheca Ileyiih. Stems stout. 7 to 12 inches high, ereet or asoend- 

 ing from the short, often branched, wood.v crown of a very thick and fleshy 

 taproot ; herbage deep green and viscid-pubescent throughout, rarely sub- 

 glabrous; leaves narrowly linear, 1 to li/. inches long; flowers in terminal 

 cymes, their branches often racemose; pedicels 2 to 7 lines long; sepals 3 to 4 

 lines long, scarious-margined : petals as long, pink; capsule equaling or a 

 little exceeding the calyx; seeds with or without a wing, even in the same 

 capsule. 



Sandy borders of salt marshes, coast region of California. 



Locs. — Humboldt Bay, Tracy 3093 ; Pt. Reyes, Davy 6773 ; Beuicia, Jepson : Pt. Isabel, 

 Blasdale : West Berkeley, Jepson ; Alameda, Jepson ; Morro, San Luis Obispo Co., Barber; 

 Oceanside. San Diego Co., Parish 44.51. 



Var. leucantha Rob. Glabrous, especially below, nr more lightly pubescent; 

 inflorescence looser; flowers commonly white. — Alkaline plains of the inte- 

 rior valleys: Sacramento. San Joaquin and Livermore valleys; south to South- 

 ern California. Ma.v-June. 



Locs. — Willows, Jepson; Lathrop, Greene; Livermore, Miehener cf Bioletti; Bakersfielil, 

 Davy 1856; Antelope Valley, DaA}y 2256; San Bernardino, Parish 4464; San Jacinto, Jepson 

 1244. 



Var. scariosa Rob. Herbage pale, glandular-pubescent or almost glabrous; 

 stipules ovate, acuminate, 4 to 5 lines long, conspicuousl.y silveiy-scarious ; 

 flowers scattered and on pedicels 3 to 7 lines long or less, or in reduced termi- 

 nal cymes. — Sea-bluffs. San Francisco to IMonterey. 



Locs. — Pt. Richmond, Hall; San Francisco, Greene; Montara Pt., San ilateo Co., Copeland; 

 Pacific Grove, Tidestrom. 



Var. talinum Jepson n. comb. Slightly wood.y at base; interuodes very 

 short (2 to 5 lines mostly), the stems densely clothed with leaves; herbage 

 heavily glandular-pubescent or nearly glabrous; cyme shortl.v peduncled. — 

 San Clemente Island, T. Brandtgcc. 



Refs. — SPERdULARiA MACROTHECA Heynh.; Rob. in Gray, Syn. Fl. 1': 252 (1897). Arenaria 

 maerotheca Hornem. in C. & S. Linnaea, 1: 53 (1826), type from California. Lepigonum 

 medium of some Californian distributions. Var. leucantha Rob. Proc. Am. Acad. 29: 313 

 (1894). Tissa leucantha Greene, Pitt. 1: 301 (1889), type loc. western side of the lower San 

 Joaquin and adjacent Livermore Valley. Var. sc.^RiosA Rob. 1. c. Tissa macrotheca var. 

 scariosa Britt. Bull. Torr. Club, 16: 129 (1889), type spms. from San Francisco and Monterey. 

 Tissa pallida Greene, in Britt. 1. c., type loc. San Francisco, Greene. Tissa valida Greene, 

 Erythea, 1: 107 (1893), type loc. Santa Cruz Isl., Greene. Var. TALINUM Jepson. Tissa tali- 

 num Greene, Erythea, 1: 106 (1893), type loe. (iiiadalupe Island, Lower California. 



2. S. rubra J. & C. Presl, var. perennans Rob. Stems prostrate, 4 to 9 

 inches long, slender and wiry, many from a densely tufted base, branching 

 little, flowering from about the middle; herbage comparatively glal)rous: 

 leaves narrowly linear, li^ to 5 lines long; stipules ovate, silvery-scarious, 2 

 lines long, very conspicuous; pedicels slender. 2 to 3 (or 5) lines long; sepals 



