OF TUE GENUS ARENARIA. 417 
Columbia and the Western United States, and reaching as far 
north as the Arctic Circle. 
Iconogr.— Regel, Pl. Raddeane, in Bull. Soc. Nat. Mosc. 1862, 
pt. i. t.8; (var. 2) Ledeb. Ic. Pl. Fl. Ross. 6; Hook. Fl. Bor.- 
Amer. t. 82; Reichb, Ic. Pl. Crit. iv. t. 377; (var. n) Ledeb. Ic. 
Pl. Fl. Ross. 400. 
Syn. (forma typica) A. Lavmanni, Fisch. ex DU, Prodr. i. p. 404. 
A. sibirica, Pers. Syn. Plant. i. p. 504. 
Eremogone capillaris, Fenzl, Verbreit. Alsin. p. 37. 
E. subulata, Fenzl, Verbreit. Alsin. p. 37. 
Subsectio 2.—Folia imprimis caulina, lineari-setacea. Semina 
granulato-tuberculata. 
140. A. MaACRADENIA, S. Wats. in Proc. Amer. Acad. xvii. 
p.367 (1881-82) ; Robinson, in Proc. Amer. Acad. xxix. p. 296 
(1894). 
Glabrescens, glaucescens. Caudex plus minus lignosus irre- 
gulariter tortuoso-multiceps. Caules 15-40 centim., valde nodosi. 
Folia rigida pungentia. Flores in cymam apertam dispositi. 
Sepala indurata late ovata subcarinata marginato-membranacea 
necacuta. Petala obovato-oblonga, calyce multum longiora, basi 
subauriculata. Semina compressa oblongo-pyriformia. 
So named from the well-developed staminal glands. In Gray 
and Robinson’s *Synopt. Fl. N. Amer.’ reduced to a var. of 
A. congesta, but distinct in the large glands. 
Geogr. range. W. United States : Utah, Arizona, California. 
141. A, FENDLERI, A. Gray, Pl. Fendl. p. 13 (1849); B. L. 
Robinson, in Proc. Amer. Acad. xxix. p. 296 (1894). 
Glauea, superne glanduloso-puberula. Caules multi erecti, 
10-40 centim. Folia basilaria setacea graminea, margine ciliolata 
vel glabra plus minus pungentia, 50-95 mm.; caulina connata 
subvaginantia. Inflorescentia dichotoma; cymæ pauci-multi- 
forg, Sepala lanceolata vel lineari-lanceolata acuminata glan- 
dulosa late scariosa, petala æquantia 5-nervia, apice recurva. 
Petala obovata, Capsula inclusa. Semina pyriforma. 
B. diffusa, Port. & Coult. Fl. Color. p. 13 (1873). 
Viridescens, Inflorescentia magis diffusa ; floribus sæpius 
majoribus. 
Hab, Rocky Mountains of Colorado and Wyoming. 
