Arenaria. CARYOPHYLLACEiE. 181 



oblon?, nearly twice the length of the calyx.— iV/t«. / viss. in herb. acad. 

 Pkilad. 



On rooks, Georgia, NuttaU /— (T) Plant 2-4 inches high, very slender, 

 with 3 or 4 pairs of caulino leaves from 1-2 lines long. Flowers small, white, 

 on filiform peduncles. 



16. A. verna (Linn.): erect, ca;spitose, pubescent or glabrous ; leaves lin- 

 ear-subulate, nerved, erect ; cyme erect, few or many-tlowered ; sepals ovate, 

 acute, 3-ncrved, mostly a little longer than the petals. Hook.—Eng. hot. I. 

 512; DC. prodr. 1. p. 405; Hook.Jl. lior.-Am. 1. p. 99. 



Oregon and Subarctic America, Hooker ; James' Peak, Rocky Moun- 

 tains^ lat. 41 \ Dr. James ! 



17. J. proptn^Ha (Richardson): cfEspitose, hair> (hairs mostly glandu- 

 lar) ; leaves linear-subulate, acute, 3-nervcd; sepals acute, 3-nerved, about 

 the length of the petals but shorter than the capsule. Richards, in app. 

 Frankl.journ. p. 17; Hook. I.e. 



Arctic America, and summits of the Rocky Mountains. — Habit of A. ver- 

 na ; but the flowers are smaller : perhaps not distinct. Hook. 



IS. .4. hirta (Wormskiold) : leaves linear-subulate, obtuse, 2-sulcate, mi- 

 nutely hirsute; stems 2-3-tlowered ; sepals 3-nerved, acute, shorter than the 

 capsule ; petals oblong, a little shorter than the calyx. DC— Wor7nsk. in Jl. 

 Dan. t. 1646; DC. prodr. 1. p. 405; Cham. ^ Schlecht. in Linncea, 1. p. 

 56 ; Hook. I. c. 



Kotzebue's Sound, Beechey ! Greenland.— 1^ Glabrous or pubescent, 3 

 inches high. 



19. A. rubella (Hook.): stems ca;spitose, numerous ; peduncles terminal, 

 pubescent, 1-fiowered ; leaves linear-subulate, obtuse, 3-neived ; petals ob- 

 long-lanceolate, a little shorter than the lanceolate 3-nerved (mostly) very 

 acute sepals ; capsule 4-valved, shoiter than the sepals. Hook. ! in Parry''s 

 2nd voy. app. p. 391, ^- in fl. Loud. t. 200, f f. Bor.-Am. 1. p. 100. A. 

 quadrivalvis. A'. Br. in Parry's Isl voy. app. p. 271. Alsine rubella, U'ahl. 

 jl. Lapp. t. 6, fide Hook. 



Greenland and Arctic America !— If Pbnt 1-2 inches high. Leaves ob- 

 tuse or rather acute. Stigmas 3-5. 

 -^-20. A. Rossii (R.Brown): glabrous; leaves subulate-triquetrous, rather 

 obtuse, nerveless, scarcely equalling the flower ; peduncles 1-fiowered ; petals 

 oblong, a little exceeding the obscurely 3-nerved sepals.—/?. Br. in Parry's 

 \st voy. app. p. 272. 



0. taller ; leaves exceeding the calyx, mostly shorter than the internodes, 

 with manifest lateral nerves ; petals as long as the sepals. R. Br. I. c; Hook, 

 f. Bor.-Am. 1. p. 100. 



Arctic America ! and Rocky Mountains from lat. 54°-57^— Flowers some- 

 times apetalous. Hook. 

 --f 21. A. arctica (Steven) : caespitose ; leaves linear-subulate, obtuse, fleshy, 

 margin minutely ciliate ; peduncles glandular-pubescent, 1- (rarely 2-3-) 

 flowered ; petah about twice the length of the very obtuse 3-nerved sepals. 



a. leaves 3-3triate ; sepals oblong ; petals obovate. — A. arctica, Stev. in 

 DC. prodr. 1. p. 404 ; Hook. I.e. (a. & p.) t. 34. 



/?. leaves nerveless; sepals ovate; petals oblong-spatulate. — A. pumilio, 

 R. Br.; Hook, in Parry's 2nd voy. app. p. 391, ^ fl. Bor.-Am. I. c. 



y. leaves obscurely 3-nervcd, carinate, serrulate-ciliate ; sepals oblong, 

 glandular-pubescent; petals oblong, half as long t'gain as the sepals. — A. ob- 

 tusa, Ton: I in ann. lye. New- York. 2. p. 170. A. arctica y- stenopetala, 

 Hook. I. c. ? 



Arctic America, y. Rocky Mountains, on James' Peak, lat. 41'=, Dr. James ! 

 — "4 Habit of Silene acaulis. L.eaves mostly curved to one side. Capsule 

 ovate. 



