PORTULACACEAE (fURSLANE FAMILY^ 387 



12. GYPSOPHILA L. 



Calyx narrowly lop-shaped or campanulate, 5-nerved, 5-toothed, naked at 

 base. Petals not crowned. Stamens 10. Styles 2. Pod 1-celled, 4-valved at 

 the apex, sessile. — Slender glaucous annuals or perennials, with numerous small 

 flowers. (Name from yv\j/os, gypsum, and (piXeiv, to love.) 



1. G. ML'RALis L. Annual, much branched; leaves very narrowly linear; 

 flowers on slender pedicels, solitary in the forks ; calyx turbinate, the teeth short, 

 obtuse ; petals purplish, crenate or emarginate. — Fields, roadsides, etc., Me. to 

 N. J., Ont., and Minn. (Nat. from Eu.) 



13. TUNICA [Rupp.] Scop. 



Calyx o-ribbed, bluntly toothed. Petals 5. Styles 2. — Slender wiry-stemmed 

 herbs with small terminal flowers and linear leaves. (Name from tunica, a tunic, 

 referring probably to tlie close-fitting calyx.) 



1. T. Saxifraga (L.) Scop. Low, many-stemmed ; leaves less than 1 mm. 

 broad ; bractlets 2 pairs, scarious except in the middle ; small petals purplish, 

 notched. — Roadsides, etc.. Flushing, L.I. (J". Schrenk) ; London, Ont. (Bur- 

 gess). (Adv. from Eu.) 



14. DIANTHUS L. Pixk. Carxation 



Calyx cylindrical, nerved or striate, 5-toothed, subtended by 2 or more im- 

 bricated bractlets. Stamens 10. Styles 2. Pod 1-celled, 4-valved at the apex. 

 Seeds flattish on the back; embryo scarcely curved. — Ornamental plants, of 

 well-known aspect and value in cultivation. (Name from Aids, of Ju}:) iter, and 

 dvdos, flower, i.e. Jove's own flower.) 



1. D. PROLiFER L. Annual, smooth, slender; flowers clustered; bractlets 

 ovate, dry, concealing the calyx ; leaves few, narrow, linear, erect ; petals small, 

 pink. — Roadsides and fields, s. e. N. Y. to Del.; also Cleveland, 0. {Beardslee). 

 (Nat. from Eu.) 



2. D. DELTOiDEs L. (Maidex P.) Perennial; leaves short, narrowly 

 lanceolate, glabrous or roughish ; fl^owers solitary ; bracts ovate, half as long as 

 the tube ; petals rose-color or white, toothed. — Dry open places, e. N. E. to 

 Mich,, becoming more frequent. (Nat. from Eu.) 



3. D. BARB.\Tus L. (Sweet William.) Perennial; flovjers fascicled; 

 leaves large, lanceolate; bracts filiform-attenuate, equaling the calyx. — Culti- 

 vated, and sparingly spontaneous. (Introd. from Eu.) 



4. D. Armeria L. (Deptford P.) Annual; flowers clustered; bractlets 

 of the calyx and bracts lance-awl-foi-m, herbaceous, downy, as long as the tube ; 

 leaves linear, hairy ; petals small, rose-color with white dots, crenate. — Fields, 

 etc., Mass. to Va., w. to s. Ont., Mich., and la. July. (Adv. from Eu.) 



PORTULACACEAE (Purslane Family) 



Herbs, loith succtdent leaves, and essentially regular but unsyimnetrical 

 flowers, viz., sepals fewer than the petals ; the stamens opposite the petals lohen 

 of the same number, but often indeflnite ; otherwise nearly as Chickweeds. — 

 Sepals 2. Petals 5, or sometimes none. Stamens mostly 5-20. Styles 2-8, 

 united below, or distinct, stigmatic along the inside. Pod 1-celled, with few or 

 many campylotropous seeds rising on stalks from the base. Embryo curved 

 around mealy albumen. — Insipid and innocent herbs, with entire leaves. Co- 

 rolla opening only in sunshine, mostly ephemeral, then shriveling. 



* Calyx free, persisttMit. 

 1. Montia. IVtals '^-h. nsually unequal, sometimes sli^jhtly connate at the base. Stamens as 

 many. Ovules J or 3, Roots fibrous. 



