182 CARYOPHYLLACEiE. Arenaru. 



22. A. macrocarpa (Pursh): caespitose ; leaves crowded, linear-subulate, 

 plane, the margin ciliate ; peduncle terminal, 1-flowered, leafy ; petals ovate, 

 twice the length of the calyx ; capsule oblong, thrice the length of the calyx. 

 Pursh, fl. 1. p. 318 ; Cham. ^ Schlecht. I. c. j Hook. fl. Bor.-Am. 1. p. 101. 



N. W. Coast, Pursh. — Hardly distinct from A. arctica. Hook. 



*** Leaves lanceolate, ovate, or roundish. 



-/- 23. '^. serpyllifolia (Linn.): diflfuse, retrorsely pubescent; leaves 

 (small) ovate, acute, minutely ciliate ; sepals lanceolate, acuminate, hairy, 

 3-5-nerved, nearly twice the length of the petals, equal to the ovate, 6-tooth- 

 ed capsule.— Mtt7i:r. .' fl. 1. p. 274; Gartn. fr. t. 130 ; DC. prodr. 1. p. 

 411; Ell.sk.l. p. 518. 



Sandy fields, Massachusetts ! to Georgia ! Introduced. Aprd-July.— (l) 

 Much branched from the base, 3-10 mches high. Flowers axillary and ter- 

 minal. 



24. A. ciliata (Linn.): leaves ovate or obovate, bullate-mgose, more or 

 less nerved and ciliate ; stems procumbent ; sepals lanceolate, acute, nerved, 

 shorter than the petals, as long as the ovate 6-valved capsule. Eng. bot. t. 

 174:5 ; DC. prodr. 1. p. 411. 



Greenland, Sabine. 



Jf 25. A. Piirshiana (Seringe) : stem dichotomous, diffuse ; leaves oval, 

 rather acute ; peduncles alternate, axillary, solitary, elongated ; sepals acute ; 

 petals as long as the calyx. Pursh.— DC. prodr. 1. p. 414. A. thymifoUa, 

 Pursh, fl. 1. p. 317. 



Sea-shore, Labrador, herb. Banks ex P?/r5^.— Perhaps Stellaria humifusa. 

 A specimen from Labrador in herb. Schweinitz, marked A. thymifolia 

 appears to be that plant. 



., 26. A. lateriflora (Linn.): minutely pubescent; stem erect, slender, sim- 

 ple or branched; leaves oblong or oval, obtuse ; peduncles lateral and termi- 

 nal 2-flowered, one of the pedicels bibracteolate near the middle; petals 

 twi'ce the length of the sepals.— Pursh, fl. 1. p. 317 ; DC. prodr. 1. p. 412; 

 Hook. ! fl. Bor.-Am. 1. p. 102. t. 36. Stellaria biflora, Pursh! fl. 1. p. 317. 

 In damp rather shady places, from lat. 40° to the Arctic Sea! June.— 7^ 

 Stem 4-8 inches high. Leaves pale green, punctate, hairy on the margin 

 and midrib. Peduncle mostly solitary. Petals and sepals oblong, obtuse. 

 Filaments pubescent. 



27. A. macrophylla (Hook.): stem slender, erect, dichotomously branch- 

 ed ; leaves spreading, lanceolate, acute at each end, glabrous ; peduncle ter- 

 minal [or lateral], 2-3-tlowered ; sepals ovate, sharply acuminate, longer than 

 the petals and capsule. Hook. fl. Bor.-Am. 1. p. 102. t. 37. 



Shady woods, Oregon {Douglas, Nuttall!) and N. W. Coast.— Habit of 

 the preceding. Very near A. umbrosa, Ledeb. 



1 Doubtful species. 



28. A. fasciculata (Pursh, not of Gouan) : nearly glabrous, cffispitose ; 

 stems strictly erect ; leaves subulate, pungent, striate ; flowers densely fasci- 

 cled ; sepals subulate, striate ; petals very short. Pursh, fl. 1. p. 319. 



Canada (in herb. Lambert), Pursh. 



29.- A. buxif oli a {Poir.) : pubescent; leaves ovate-oblong, sessile; stems 

 creeping ; peduncles dichotomous, about 2-flowered ; sepals linear, short, ob- 

 tuse, with membranaceous margins, a little shorter than the petals, as long 

 as the ovate, obtuse (5-valved ?) capsule. DC.—Poir. diet. 6. p. 262 ; DC. 

 prodr. 1. p. 411. 

 • Canada, Poiret. 



