WOOTON AND STANDLEY-—FLORA OF NEW MEXICO. 491 
Corolla lobes erect or spreading; stamens in- 
cluded, distinct. 
Corolla tube equaling or exceeding the 
calyx, bright pink or rose purple to 
crimson; flowers showy......------ 5. Prmvta (p. 492). 
Corolla tube shorter than the calyx, white 
or yellow; flowers very small. 
Perennials, the stems branched at the 
base; capsules few-seeded....... 7. Drosack (p. 494). 
Annuals, the stems simple; capsules 
many-seeded..........-.------- 6. ANDROSACE (p, 493). 
1. SAMOLUS L. Brooxweep. 
Annual or perennial caulescent herbs with alternate entire fleshy leaves and small 
white flowers in racemes or panicles; sepals united at the base, persistent, adherent to 
the ovary below; corolla perigynous, the tube very short; stamens 5, adnate to the 
corolla, sometimes alternating with 5 staminodia; ovary 1-celled; capsule 5-valved, 
hardly elongated; seeds numerous. 
KEY TO THE SPECIES. 
Racemes sessile or nearly so, numerous, glabrous; calyx 2.5 mm. 
broad......2-..--22-2- 2220-22 eee eee eee eee eee eee 1. S. floribundus. 
Racemes long-pedunculate, few, glandular; calyx 3.5 to 5 mm. 
broad ........--. 2-2-2. e eee eee ee eee eee eee eee eee eee 2. S. cuneatus. 
1. Samolus floribundus H. B. K. Nov. Gen. & Sp. 2: 181. 1817. 
Type Locauity: “Crescit in maritimis Peruviae juxta portum Callao de Lima.” 
Rance: British America to California, Florida, Mexico, and South America. 
New Mexico: Guadalupe Canyon; Roswell. Wet ground. 
2. Samolus cuneatus Small, Bull. Torrey Club 24: 491, 1897. 
TypE LocALity: “On limestone rocks or soil, Texas.’’ 
RanGe: Texas and southeastern New Mexico. 
New Mexico: Roswell; Carlsbad; Dona Ana Mountains. Wet ground, in the 
Upper Sonoran Zone. 
29, STEIRONEMA Raf. LoosEstrRIFE. 
Leafy-stemmed perennial herbs with opposite petiolate simple entire leaves and 
axillary yellow flowers on slender pedicels; flowers 5-merous; corolla rotate, 5-lobed, 
each lobe convolute or involute about its stamen; stamens 5, alternating with 5 stami- 
nodia; capsules rounded, naked; seeds 10 to 20. 
KEY TO THE SPECIES. 
Leaf blades ovate, ciliate.........-..------------+ +--+ +2 eee ete eee 1. S. ciliatum. 
Leaf blades lanceolate, not ciliate......-..-.-.-....---+---+---+--- 2. S. validulum. 
1. Steironema ciliatum (I..) Raf. Ann. Gén. Phys, 7: 192. 1820. 
Lysimachia ciliata L, Sp. Pl. 147. 1753. 
Type tocauiry: “ Habitat in Virginia, Canada,’’ 
RanaeE: British America to Arizona, Alabama, and Georgia. 
New Mexico: Pecos; Las Vegas; Beulah; Gallinas Planting Station. Wet ground, 
in the Transition Zone. 
2. Steironema validulum Greene, Contr. U. 8. Nat. Herb. 16: 158. 1913. 
Tyre Ltocauity: Along Oak Creek, near Flagstaff, Arizona. 
Rance: New Mexico and Arizona. 
New Mexico: Mogollon Mountains. Wet soil. 
