250 FLORA OF PMILADELFEIA. 



4. OXYCOCGUS Salisb. 



1. OxYCOCCUS MACROCARPus (Ait.) Pers. Cranberry. M. p. 711. Bogs. 

 Summer. 

 Philadelphia — Byberry, Mart. (B. C), Germantown, extittct (Me.). 

 ^Mc/rs— Springfield (Fr.). Montg&7nei-y—{P.}. Delawane—Timcum, 

 Ehoads' Swamp, Marple (B. Sm.). Chester— (F.). Lancaster— {V.). 

 Northampton — (P.) . 

 New Jersey — Common. 

 New Castle — Thompson's. Rare. 



Family 6. DIAPENSIACEAE Link. Diapensia Family. 



1. Pyxidanthera barbulata Michx. Fyxie, Flowering Mass. M. p. 712. 

 Sandy pine-barrens. Early spariag. 

 New Jersey — Common. 



Orders. PRIMULALES. 



Style 1 ; fruit a capsule. Fam. 1. Primulaceae. 



Styles 5; fruit sm achene or utricle. Fam. 2. Plumbaginaceae. 



Family 1. PRIMULACEAE Vent. Primrose Family. 



Lobes or segments of the corolla erect or spreading. 



Lobes of the corolla imbricated, at least in the bud. 



Ovary wholly superior. 1. Hottonia. 



Ovary adnate to the calyx. 2. Samahis. 



Lobes of the corolla convolute or valvate, at least in the bud (corolla 

 wanting in No. 7). 

 Capsule longitudinally dehiscent. 



Corolla rotate, or rarely short-funnelform. 

 Stem leafy throughout.; flowers yellow. 



Staniinodia none ; corolla-lobes convolute. 



3. Lysimaehia. 

 Staminodia 5; each corolla-lobe curved around its 



stamen. 4. Stevronema. 



Staminodia 5, tooth-like; flowers in axillary, spite- 

 like racemes or heads. 5. Naumhergia. 

 Leaves whorled at the top of the stem; flowers white. 



6. Trienialis. 

 Corolla none ; flowers minute, solitary in the axils. 



7. Glaux. 

 Capsule circumaeissile ; flowers axillary. 8. Anagallis. 



Segments of the corolla reflexed; plants scapose. 9. Dodecatheon. 



1. HOTTONIA L. 



1. Hottonia inflata Ell. Featherfoii, Water Violet. M. p. 715. Ponds 

 and ditches. Summer. 

 (SoZem— Eiddleton. Motimouth^ Eaiontov/n (C). 

 New Cast Je— Near Ogletown. 



2. SAMOLUS L. 



1, Samolus floribundus H. B. K. Water Pimpernel, Brookmeed. M. p. 

 715. Wet places. Summer. 



