CARYOl'HYLLACK^. (PIXK lAMILY.) 91 



seeded. —Low, usually tufted herbs, with sessile exstipulatc leaves nnd small 

 white flowers. (Nauie from arena, sand, in which numy of the species grow.) 

 — The lollowiiij,' seetious are liy many botani.sts taken lor genera, as they were 

 in the former edition. 



§ 1. AUENAIIIA ])roper. Pwl spllltlng whol/i/ or part-waj down into .3 or at 

 kmjth into 6 vulccs: seeds nuini/, uukecl at the hiitini. 

 1. A. SKRi'YLLiFoi.iA, L. ( Til YMiM.iCAVED SANDWORT.) Diffusely 

 branched, roughish (2'-G' hi-h) ; leaves ovate, acute, snnill ; cymis leafy; 

 sepals lanceolate, pointed, 3- "j-nerved, about as long as the ])etals and the 6- 

 toothed pod. — A low annual, in sandy waste places. June -Aug. (Nat. 

 from Eu.) 

 §2. ALSINE, (Touni.) Wahl. Pod splittimj to the hase into 3 entire valves: 



seeds many, usiiallij rotujlt, noLtd at the hilum: Jluwers solilanj and terminal or 



ci/mose: root in our species perennial. 



# Leaves small, riijid, aid-shaped or bristle-shaped. 



2. A. squarrdsa, Michx. (Pine-barren S.) Densely tufted from a 

 deep perpendicular root; kace.s clost-lj/ imbricated, but spreading, awl-stiajied, 

 short, channelltd; branches naked and minutely glandular above, several-flow- 

 ered ; s'pals obtuse, ovate, shorter than the pod. (Alsine, cd. 2.) — In pure 

 sand, S. New York, New Jersey, and .southward along the coast May- July. 



3. A. Stricta, ilichx. Erect, or usually ditfnsely spreading from a small 

 root, smooth ; leaves slendei; bcticeen aivl-shaped and bristle-form, with many others 

 clustered in the axils ; cyme diffuse, naked, many-flowered ; sepals pointed, 3- 

 libbed, ovate, as long as the pod. (Alsine Michauxii, Fenzl.) — Rocks and dry 

 wooded banks, Vermont to Wisconsin and Kentucky. July. — The specific 

 name is a bad one, as there is nothing strict about the plant. 



* * Leaves soft and herbaceous, filiform-linear : petals refuse or notched. 



4. A. p^tula, Michx. Diffusely branched from the slender root ; stems 

 filiform (G'-IO' long) ; branches of the cyme diverging; peduncles long; seimls 

 lancmlate, acumimite, S-a-nerrrd. (Alsine, cd. 2.) — Cliffs of Kentucky River, 

 mountains of 'Western ^'irginia, and southward. 



5. A. Groenlandica, Spreng. (Mountain S.) Densely tufted from 

 slender roots, smooth; flowering stems filiform, erect (2' -4' high), few-flow- 

 ered; sepals o'llorifj, o''tM.'e, nerveless. (Stellaria Gra-nlandica, Relz. Alsine, ed. 

 2.) — Summit of the Shawangunk, Catskill, and Adirondack Mountains, New 

 York, of all the higher mountains of New England, and northward; alpine or 

 sid)alpine. At Bath, Maine, on river-banks near the sea. June - Aug. — 

 Leaves and peduncles 3" -6" long; flowers large in proportion. 



A. GL\nRA, Michx., of the mountain-tops in Carolina, may occur on those of 

 Virginia, and is jjcrhaps a large form of the above. 



§ 3. MCEIIRfXGL\, L. Parts of th'- flower sometimes in fours: pod as in § 1, 



but the i/ouni/ ovari/ 3-celled : .leeds rather fetv, smooth and with a ihickisk ap- 



pcndaije (sirophiole) at the hilum: perennials, ivith Jlaccid broadis/i leaves. 



G. A. Iaterifl6ra, L. Sparingly branched, erect, minutely pubescent; 



leaves oval or oblong obtuse (J' - 1' long) ; peduncles 2- (rarely 3 -4-) flowered, 



