GENTIAN ACE AM. 255 



Style short, stout or none ; anthers remaining straight. 3. Qentiana. 

 Leaves, at least those of the stem, reduced to scales; corolla^otbes imbri- 

 cate in the bud. 

 Calyx ai 4 lanceolate sepals ; leaves all reduced to scales. 4. Bartonia. 

 Calyx of 2 foliaceous-spatulate sepals; upper leaves normal. 



5. Obolaria, 



1. ERYTHRAEA Neck, 



1. Erythraea pulchella (Sw.) Fries. Centaur if. M. p. 729. Fields and 

 waste places. Summer. 

 C/tesfer— Chester Valley near Malvern (Le.). Loncaste?'— Millville, A. 

 P. Gather (B. C), York Furnace (He.) (Ke.), Paradise (St.), on road 

 between Safe Harbor and Lancaster (Wn.), Wakefield (Pr.). 

 Burlington— West Creek (St.). 



2. SABBATIA Adans. 



Flowers normally 4-5-parted, sometimes 6-7-parted. 

 Branches opposite. 



Style 2-parted to below the middle or nearly to the base; flowers 



white. 1. S. lanceolata. 



Style 2-clef t to about the middle ; flowers normally pink. 



2. S. angularis. 

 Branches alternate. 



Calyx shorter than the corolla; style 2-parted. 3. S. stellaris. 

 Calyx-segments filiform, as long as the corolla; style 2-clef t. 



4. S. eampanulata. 

 Flowers normally 8-12-parted, 3.5-6 cm. broad. 5. S. dodecandra. 



1. Sabbatia lanceolata (Walt.) T. &■ G. M. p. 729. Wet pine-barrens. 



Summer. 

 New Jersey — Common. 



2. Sabbatia angulakis (L.) Pursh. Bose Pink. M. p. 730. Rich soil. 



Summer. 



3. Sabbatia stellaris Pursh. Marsh Pink. M. p. 730. Salt marshes. 



Summer. 

 New Jersey — Common. 

 New Castle — Deakynes ' Landing. 



4. Sabbatia campantjlata (L.) Torr. M. p. 730. Brackish marshes. 



Summer. 



^«c/v's— Tullytown, Bristol (Ca.) (Fr.). 



Burlington— Burlington, Mart. (B. C). Camden— Atco (U. C. S.). 

 Cape May— Cape May Court-house (C), Cape May, Dr. Geo. Smith (Fu.), 

 Wildwood (Mac). Oceoji— Seaside Park (Ha.), Point Pleasant (Te.). 

 Monmouth— Ocean Grove, Ocean Beach, Spring Lake (C). 



5. Sabbatia dodecandra (L.) B. S. P. M. p. 731. Border of brackish 



ponds. Summer. 

 New Jersey— Frequent. 



3. GENTIANA L. Gentian. 



Corolla without plaits or teeth in the sinuses; annuals. 



Corolla-lxjbes fringed or serrate; flowers 2-8 em. long. 



1. G. crvaita. 

 Corolla-lobes with entire or rarely denticulate margins ; flowers 1-2.5 

 cm. long. 2. G. quinquefolia. 



