CLASS X. ORDER III. 49 



%.\Y. — fiensylvanica^ leaves lance-oblong> toothed. 



TiARELLA. Calyx 5-partecl; corol inserted on 

 the calyx; 5-petalled, petals entire: capbule 1- 

 celled : 2-valved, I valve larger. 13.84 — cordifo- 

 liaj (mitre-wort) leaves coraate, petals longer than 

 the calyx. %. w. 



MiTELLA. Calyx 5-cleft: petals 5 on the calyx 

 pinnatifid ; capsule l -celled, 2-valved, valves equal. 

 13. 84 — di/i/iylia, (false sanicle) leaves cordate, 

 scape-like stem 2-leaved. % w. 



Chryso&plenium. Calyx 4 or 5-cleftj half-su- 

 perior, coloured : corol o : capsule 2-Ueaked ; 1- 

 celled, many-seeded. (Lateral flowers 8-stamen- 

 cd.) 13 86 — o/i/iosiiifolium, (golden saxifrage) 

 leaves opposite, heart-form, crenate, !(,. 



DiANTHUS. Calyx inferior, cylindrical, 1 -leafed, 

 with 4 to 8 scales at the base : petals 5 with claws r 

 capsule cylindrical, 1-celled, dehiscent at the top. 

 22. 82 — caryofihyllusy (pink) petals crenate-lobed, 

 scales of calyx ovate acute. If. r — filumarius^ pe- 

 tals many-cleft, scales of calyx ovatish. 1|. r-w.— 

 barbatus^ (sweet-willian-)) flov/ers aggregate, scales 

 of the calyx as long as the tube. 1^. 



Saponaria. Calyx inferior ; 1 -leafed, tubular, 

 without scales : petals 5, with claws: capsule ob- 

 long, 1-celled. 22. 82 — officinalis^ (soap-wort) calyx 

 cylindric, leaves lance-oval. 0. r. — (yaccana, calyx 

 conic, 5-angled, leaves ovate sessile. 0. r. 



ScLERANTHUs. Calyx inferior, 1 -leafed; corol 

 o : seeds 1 or 2 inclosed in the calyx : stamens in- 

 serted on the calyx. 2^^. 86 — annuus^ (knawell) 

 stem spreading, calyx becoming sharp-toothed. 0. 



Order III. Trigynia. 

 Arenaria. Calyx inferior, spreading, 5-leav- 

 cd: petals 5, entire : capsule 1 celled, many-seed- 



