Arenaria. CARYOPHYLLACEiE. 239 



Var. major, Hook. Taller ; leaves longer, often 15 lines in length, oblong or oblauceo- 

 late, more pointed and decidedly narrowed to the base. — Fl. Bor.-Am. i. 102. A. Sitchen- 

 sis, Dietr. Syn. PI. ii. 1565. Honckenija oblongifolia, Torr. & Gray, Fl. i. 176. Honhenya 

 peploides, var. oblongifolia, Fenzl, 1. c. — Washington to Alaska. Imperfect specimens (per- 

 haps of the type rather than the variety) from Yellowstone Lake, Wyoming, collected by 

 Adams on the Hayden Surv., and kindly communicated by Professor Porter, show a note- 

 worthy inland occurrence of this usually maritime species. (Siberia, Japan.) 



§ 3. Merckia, Benth. &. Hook. 1, c. 151. Styles 3 to 5 ; ovary 3-5-celled: 

 capsule large, depressed-globose, somewhat inflated, many-seeded ; seeds not 

 strophiolate. — Merckia, Fisch. in Cham. & Schlecht. Linnsea, i. 59; Fenzl, 1. c. 

 359 ; Pax in Engl. & Prantl, Nat. Pflanzenf. iii. Ab. lb, 84. Merkia, Torr. «fe 

 Gray, Fl. i. 176. — A single glandular and slightly fleshy species of the North- 

 west. 



A. physodes, Fisch. Perennial, cespitose : stems weak, decumbent, 3 to 6 inches in length : 

 leaves ovate, cuspidately pointed, 4 to 6 lines long : flowers solitary at the summit of the 

 stem or becoming lateral : sepals lance-oblong, acute, 3 lines in length, equalling or slightly 

 exceeding the petals : capsule 4 lines (said to become half an inch) in diameter. — Fisch. in 

 DC. Prodr. i. 413; Wats. Bibl. Index, 97. Merckia physodes, Fisch. 1. c. 59; Hook. 1. c- 

 103; Torr. & Gray, 1. c. Stellaria ovalifolia, Hook. 1. c. 97 ; Hook. & Arn. Bot. Beech. 122. 

 — Brit. Columbia to N. Alaska; fl. July, August. (E. Siberia.) 



§ 4. Arenaria proper. Styles normally 3 : capsule ovoid, dehiscent by 2- 



toothed or -cleft valves ; seeds not strophiolate. — Arenaria of many authors, as 



Fenzl in Ledeb. Fl. Ross. i. 360: Kegel, 1. c. 215; Pax, 1. c. ; Williams, Bull. 



Herb. Boiss. iii. 593, etc, 



* Leaves ovate, elliptic or linear, not acerose. 



H— Annuals. 



A. SERPTLLiFOLiA, L. (Thyme-leaved SANDWORT.) Annual, finely pubescent, much 

 branched : leaves very short, 2 to 3^ lines in length, ovate, acute or acuminate, rather 

 distinctly 3-5-nerved, rounded at the base ; only the lowest being narrowed to short peti- 

 oles : flowers numerous in open leafy cymes ; pedicels 1 to 3 times the length of the ovate- 

 lanceolate acuminate hispidulous sepals : petals small, about two thirds the length of the 

 sepals: capsule flask-shaped. — Spec. i. 423; Michx. Fl. i. 274; Ell. Sk. i. 518; Torr. & 

 Gray, Fl. i. 182. — Sandy soil. Lower Canada and New England to Florida, westward to 

 Oregon, Washington, and Brit. Columbia; fl. April to June. (Nat. from Eu.) 



Var. TENUiOR, Koch. More delicate : leaves reduced, lanceolate : flowers smaller in a 

 nearly naked racemose panicle: capsule more oblong. — Synop. 117. A. leptodados, Gnss,. 

 Fl. Sic. Syn. iii. 824. — Dry situations, less frequent than the type; Maine, Fernald ; Ver- 

 mont, Boott ; Oregon, Brandegee ; Washington, Suksdorf; fl. May to August. (Adv. from 

 Eu.) 



A. Benthamii, Fenzl. A slender annual, branched from the base ; branches finely pubes- 

 cent in lines : leaves short, 3 to 4 lines in length, elliptic-lanceolate, acute and apiculate, 

 often punctate, narrowed to sessile bases, or the lowest to short ciliated petioles; floral 

 leaves much reduced : pedicels filiform, many times exceeding the ovate acuminate glabrous 

 often punctate sepals: seeds dark brown, minutely tuberculate. — Fenzl in Torr. & Gray, 

 Fl. i. 675; Gray, PI. Wright, ii. 18; Torr. Bot. Mex. Bound. 36. A. monticola, Buckley, 

 Proc. Acad. Philad. 1861, 449. — Rocky ground, Texas, where first coll. by Drummond; New 

 Mexico, Thurber. 



■i^ -i— Perennials. 



A. ciliata, L. Minutely glandular-puberulent : stems numerous, slender, terete, leafy, 

 densely matted, or in less exposed situations spreading and ascending, 1 to 5 inches long, 

 terminally 1-3-flowered : leaves small, ovate-oblong or lance-ol)long, scarcely acute, 1 to 3 

 lines in length, distinctly ciliate near the cuneate base : peduncles erect, 2 to 5 lines long : 



