192 DECANDRIA.— TRIGYNIA. 



8 in. long, fl. axill. and term., sometimes apet. : 

 stam. 8 — 10. 



307. ARENARIA. Sandwort. Caryophyllece. 



* Leaves without stipules at the base. 



1. A. peploides : stem dichotomous; leaves ovate, 

 acute, fleshy ; calyx obtuse. 

 HAH. Sea-coast. July. U . Stem decumb.; 8—12 

 in. long, thick ; fl. subsol. axill. 

 1. A. lateriflora: stem filiform, simple or branched, 

 pubescent ; leaves ovate, subtriply nerved ; pedun- 

 cle lateral, solitarj r , elongated, bifid ; one of the 

 pedicels with 2 opposite bracts near the middle ; 

 corolla longer than the calyx. 

 HAB. Bog meadows. June. U . Stem 5 — 8 in. 

 high ; leav. sess., pale gr., punct. 

 i. A. serpyllifolia : stem dichotomous, diffuse ; leaves 

 ovate, acute, subciliate ; calyx hairy ; exterior 

 leaflets 5-ribbed. 

 HAB. Sandy fields. May— July. © . Stem 3— B 

 in. high ; leav. minute, approx. 

 1. A. squarrosa : cespitose ; inferior leaves squarrose- 

 imbricate, canaliculate pungent ; stem simple, few- 

 leaved ; flowers few, terminal, erect ; petals much 

 longer than the roundish calyx. 

 HAB. Pine barrens. May — Aug. U. Stem num.. 

 G in. long ; leav. crowd. ; fl. large. 

 >. A. glabra : very smooth ; stems numerous, erect, 

 filiform ; leaves subulate-linear, flat, spreading ; 

 pedicels 1 -flowered, elongated, divaricate ; leaflets 

 of the calyx oval, obtuse, smooth, shorter than the 

 petals. 

 HAB. Mountains. June. II. Stem 4 — 6 in. high; 

 leav. remote; ped. trichot. 

 ;. A. stricta: smooth; stems numerous, filiform, sim- 

 ple ; leaves subulate-linear, subfasciculate, spread- 

 ing ; leaflets of the calyx ovate, acute, conspicu- 

 ously 3-nerved, half as long as the petals. 

 HAB. Mountains. May— June. U. Stems 6— 12 

 in, high; leav. rather rigid. 



