102 POLYGALACEAE. 



Wings abruptly pointed : larger sepal less than % the 



length of the wings : flowers yellow. 9. P. Ruoclii. 



Racemes corymbose at the ends of the stem and branches. 

 Flowers white or greenish. 



Wings acuminate : racemes short. 10. P. Daldicinii. 



Wings cuspidate : racemes elongate. 11. P. Carteri. 



Flowers yellow. 12. P. ramosa. 



1. P. grandiflora Walt. Plants 2-5 dm. tall: blades of the upper leaves ellip- 

 tic, elliptic-laiu-eolate, or lanceolate, loosely ascending or spreading: flowers 

 greenish or sometimes purple-tinged: sepals 2.5-3 mm. long at maturity: wings 

 5-6 mm. long at maturity: capsules 4-4.5 mm. long. — Everglades and low 

 pinelands. 



2. P. Krugii Chodat. Plants 3-4 dm. tall: blades of the lower leaves spatu- 

 late to linear-spatulate, those of the upper leaves narrowly elliptic to linear- 

 elliptic or narrowly linear-lanceolate: flowers purple, often pale: sepals about 

 1.5 mm. long: wings broadly obovate, 2.5-3 mm. long at maturity: capsules 

 about 3 mm. long. — Banks of the Miami river and coastal sand-dunes. {Bah.) 



3. P. corallicola Small. Plants 2-4.5 dm. tall: blades of the upper leaves 

 linear, typically narrowly so, or filiform-linear: flowers purple: sepals 1-1.5 mm. 

 long at maturity: wings 3.5-4 mm. long at maturity: capsules 3-3.5 mm. 

 long. — Pinelands and adjacent .Everglades. — F. K. {Bah., Cuba.) 



4. P. incamata L. Plants 2-7 dm. tall : leaf -blades linear-subulate to subulate : 

 flowers pink, purple, or white: sepals 2-2.5 mm. long, acute: wings lanceolate 

 to spatulate, 3-4 mm. long: keel 6-8 mm. long, the claw longer than the body: 

 lateral petals 5-7 mm. long: capsules ovoid, 3-4 mm. long. — Pinelands. 



5. P. setacea Michx. Plants 1-5 dm. tall: leaf -blades mere subulate scales: 

 flowers pinkish or whitish: sepals 1-1.5 mm. long, the upper one much 

 broader than the lower ones: wings narrowly obovate, about 2 mm. long, 

 usually abruptly pointed : keel about 2 mm. long : lateral petals 1.5-2 mm, long : 

 capsules deltoid-ovoid, about 1.5 mm. long. — Pinelands. 



6. P. flagellaris Small. Plants with decumbent branches 2-6 dm. long: 

 blades of the lower leaves spatulate or broadly spatulate, those of the upper 

 ones narrowly so, or linear-spatulate: flowers whitish or pale-green: sepals 

 2-2.5 mm. long: wings oval to obovate, 2.5-3 mm. long: keel 2.5-3 mm. long: 

 capsules oblong, about 2.5 mm, long. — Pinelands. 



7. P. cruciata L. Plants 0.5-4 dm. tall: blades of the lower leaves spatulate 

 or obovate, those of the upper ones linear-spatulate to almost linear: flowers 

 purplish-rose or greenish, or purple: serials 1-1.5 mm. long: wings deltoid or 

 hastate-deltoid, 4.5-6 mm. long, caudate-acuminate: capsules obovate or 

 cuneate-obovate. — Everglades. 



8. P. arenicola Small. Plants 0.2-0.5 dm. tall: leaf-blades oblanceolate to 

 linear-oblaneeolate: racemes green: upper sepal lanceolate: wings lanceolate, 

 gradually long-acuminate: cai:>sules about 2 mm. wide. — Pinelands. 



9. P. Rugelii Shuttlw. Plants 3-7 dm. tall: leaf -blades various, those of the 

 lower leaves spatulate, those of the upper leaves oblanceolate to lanceolate: 

 racemes bright yellow: sepals about 2 mm. long: wings obovate to elliptic or 

 elliptic-lanceolate, 6-7 mm. long, abruptly pointed: capsules over 1.5 mm. wide. 

 — Everglades. 



10. P. Baldwinii Xutt. Plants 2-G dm. tall: leaf-blades various, those of the 

 lower leaves spatulate to obovate, those of the up])er leaves narrowly spatulate 

 to lanceolate : racemes blunt, white : wings ovate-lanceolate to narrowly ovate, 

 acuminate: capsules less than 1 mm. long: seeds globular, about 0.5 mm. long. 

 — Pinelands. 



12. P. ramosa Ell. Plants 1-5 dm. tall: leaf-blades various, those of the 

 lower leaves spatulate, those of the upper liuear-oldong to almost linear: 



