CARrOPHYLLACEJE. (PINK FAMILY.) 



4. C. Oblongfifdlium, Torr. Stems ascending, villous (6' -12 



winy -flowered ; leases oblong-Ian ceolate and ovate ; peduncles clamwiy-hairy ; pet- 

 als (2-lobcd) and ripe pods about twice the length of the calyx. 1J. Rocky places, 

 New York and Pennsylvania to Illinois ; rare. May. Stouter and larger 

 flowered than the following species. 



5. C. arvt'lise, L. (FIELD CHICKWEED.) Stems ascending or erect, 

 niftcd, downy, slender (4' -8' high), naked and few-flowered at the summit; 

 'eaves linear; petals obcordate, more than twice the length of the calyx; pods 

 icarceli/ longer than the calyx. 1J. - 1 - Dry or rocky places, Northeastern S** 

 vnd riuitlnvard, where it is indigenous. May, June. (Eu.J 



$ 2. MOENCHIA, Ehrhart. Petals entire or merely retuse: parts of the flowe? 

 commonly in fours : pod ovate, not longer than the calyx. 



6. C. QUATERNELLUM, Fenzl. Smooth and glaucous ; stem simple, erect 

 (2' -4' high), 1 -2-flowcred; leaves lanceolate, acute ; petals not exceeding the 

 calyx ; stamens 4. (|) ( Sagina erecta, L. Moenchia quaternella, Ehrhart. 

 M. erecta, Smith.) Near Baltimore, in dry ground. (Adv. from Eu.) 



13. SAGINA, L. PEARLWORT. 



Sepals 4 or 5. Petals 4 or 5, undivided, often obsolete or none. Stamens as 

 many as the sepals, rarely twice their number. Styles as many as the sepals 

 and alternate with them. Pod many-seeded, 4 - 5-valved ; the valves opposite 

 the sepals. Seeds smooth. Little, matted herbs, with thread-like or awl-shaped 

 leaves, and small flowers. (Name from sagina, fattening ; of no obvious appli- 

 cation to these minute weeds.) 



* Parts of the flower all in fours, or sometimes in Jives. 



1. S. procumfoeilS, L. Perennial, depressed ; leaves thread-form or nar- 

 rowly linear ; peduncles ascending in fruit ; stamens 4 - 5 ; petals shorter than the 

 broadly ovate sepals, sometimes none. Springy places, Maine to Pennsylvania. 

 May -Aug. (Eu.) 



2. S. APETALA, L. Annual, erect; leaves almost bristle-form; stamens 4 ; pet- 

 obsolete or none. Sandy fields, New York to HI.; rare. (Adv. from Eu.) 



* * Sepals, petals, styles, and valves 5 or 4 stamens 10. 



3. S. iso<l4>s:, Eenzl. Perennial, tufted; stems ascending (3'-- 5' high), 

 branching; leaves thread-form, the upper short and awl-shaped, with minute 

 ones fascicled in their axils sc that the branchlets appear knotty ; petals much 

 lonaer than the calyx. ( Spergula nodosa, L. ) Wet sandy soil, Isle of Shoals; 

 coast of Maine near Portland ; shore of Lake Superior, and northward 

 July. (Eu.) 



S. ELLIOTTII, Fenzl (Spergula decumbens, EU.) may occur in S. Virginia, 



SUBORDER III. IL.L.ECEBREJE. THE KNOTWORT FAMILY 



14. SPEROTJL.ARIA, Pers. SPURRET-SANDWORT. 

 Sepals 5. Petals 5, entire. Stamens 2-10. S\ vies and valves of tlic many- 

 seeded pod 3-5, when 5 the valves alternate with the sepals! Enilryo no! 



