60 CARYOPHYLLACE^E. (PINK FAMILY.) 



swamps, &c., Khodc Island to Wisconsin northward, and north to the arctic re- 

 gions June -Aug. (Eii.) 



11. HOLOSTEUM, L. Jagged Chickweed. 



Sepals 5. Petals 5, usually jagged or denticulate at the point. Stamens 3- 

 5, rarely 10. Styles 3. Pod ovoid, 1-celled, many-seeded, opening at the top 

 by 6 teeth. Seeds rough. — Annuals or biennials, with several (white) flowers 

 in an umbel, borne on a long terminal peduncle. (Name composed of o\os, all, 

 and oareov, bone, by antiphrasis, these plants being soft anf. tender.) 



1 5£. umbellXtdm, L. Leaves oblong ; peduncle and upper part of the 

 stem glandular-pubescent ; pedicels reflexed after flowering. — Hills around 

 Lancaster, Pennsylvania, abundant, Prof. Porter. (Adv. from Eu.) 



12. CEHA§TIUM, L. Mouse-ear Chickweed. 



Sepals 5, rarely 4. Petals as many, 2-lobed or cleft, rarely entire. Stamens 

 twice as many, or fewer. Styles equal in number to the sepals, and opposite 

 them. Pod 1-celled, usually elongated, membranaceous, opening at the apex by 

 twice as many teeth as there were styles, many-seeded. Seeds rough. — Flow- 

 ers white, in terminal cymes. (Name from Kepas, a horn, alluding to the shape 

 of the pods in many species.) 



§ 1. Petals 2-cleft or obc.ordate : parts of the flower in fves : pods (except in No. 5) 

 longer than the calyx, and usually more or less curved. 



* Petals hardly longer than the calyx, often shorter, sometimes altogether 

 wanting : stamens occasionally only 5. 



1. C vulgatum, L. (Mouse-ear Chickweed.) Very hairy and rather 

 elammy, nearly erect (4' -9' high) ; leaves ovate or obovate ; bracts herbaceous ; 

 flowers (small) in very close clusters at first; pedicels even in fruit not longer 

 than the acute sepals. ® © — Grassy banks. May -July. — The names of this 

 and the next were transposed by Linnaeus himself, and have consequently been 

 differently applied by different authors ever since. This is the C. vulgatum of 

 English botanists, and of the Linnsean herbarium : but the next is so called in 

 Sweden and on the Continent generally. (Nat. from Eu.) 



•2 C. visc6sum, L. (Larger Mouse-ear Chickweed.) Stems clam- 

 my lairy, spreading (C- 15' long) ; leaves oblong, greener ; upper bracts scarious- 

 margined ; flowers at first clustered ; pedicels longer than the obtuse sepals, the 

 earlier ones in fruit much longer. ® 1J. — Grassy fields and copses. May -July. 

 — A. larger and coarser plant than No. 1, the flowers larger. (Nat. from Eu.) 

 * * Petals longer than the calyx. 



1. C. nfatailS, llaf. Clammy-pubescent; stems erect, slender, grooved, 

 diffusely branched (6' -20' high); cyme loose and open, many-flowered; leaves 

 oblong-lanceolate, acute, the lowest spatulate ; peduncles mostly elongated ; petals 

 longer than the calyx ; pods nodding on the stalks, curved upwards, thrice the length 

 of the calyx. CO © — Moist places, Vermont to Kentucky and southward. 

 May - July. 



