1066 KHINANTHACEAE 



Anther-sacs transverse, separated by a dilated membranous connective. Capsule globose 

 or ovoid, often blunt. Seeds striate. HEDGE-HYSSOP. 



Staminodia wanting or mere scales. 



Peduncles as long as the bracts or longer. 

 Corollas golden yellow. 



Capsules conic, much longer than the sepals. 1. G. pusilla. 



Capsules subglobose, about as long as the sepals. 2. G. Torreyi. 



Corollas white or merely yellowish. 



Corollas about 6 mm. long : capsules globular. 3. G. gracilis. 



Corollas 8-20 mm. long : capsules ovoid. 



Sepals 5 mm. long : corollas 15-20 mm. long : capsules 3-3.5 mm. long. 4. G. Floridana. 

 Sepals 4-4.5 mm. long : corollas 8-11 mm. long : capsules 4-5 mm. long. 5. G. Virginiana. 

 Peduncles much shorter than the bracts. 6. G. sphaerocarpa* 



Staminodia conspicuous with capitate tips. 



Corollas golden yellow. 7. G. aurea. 



Corollas white or tinged with purple, or the tube often yellowish within. 

 Bractlets nearly as long as the sepals or surpassing them. 

 Plants wholly glabrous. 



Leaf-blades thick, oblong to lanceolate, partly clasping : sepals acute. 8. G. officinalis. 

 Leaf-blades thin, oblong, obovate to oblanceolate, short-petioled or 



merely sessile : sepals obtuse. 9. G. macrantha. 



Plants pubescent or puberulent, often viscid. 



Sepals lanceolate to oblong-lanceolate : leaf-blades mostly less than 



twice as long as broad. 10. G. viscosa. 



Sepals linear to linear-subulate : leaf-blades mostly over twice as long 



as broad. 11. G. DrummondiL 



Bractlets minute or obsolete. 12. G. ramusa. 



1. Gratiola pusilla Torr. Stems viscid or viscid-puberulent, 5-10 cm. tall, very 

 slender, often sparingly branched. Leaf-blades linear-spatulate to linear, 2-6 mm. long, 

 obtuse, entire, sessile : peduncles slender, longer than the subtending bracts : sepals linear 

 or linear-oblong, rather obtuse, 2-3 mm. long : corolla golden-yellow, 7-8 mm. long, the 

 lobes retuse or notched : capsules conic-ovoid, 4 mm. long, acute. 



On prairies, Arkansas and Texas. Spring. 



2. Gratiola Torreyi Small. Stems glabrous or nearly so, 5-10 cm. tall, usually 

 simple. Leaf-blades linear-spatulate to linear, 5-20 mm. long, entire or sparingly toothed, 

 the Idwer ones narrowed into petiole-like bases : peduncles as long as the subtending bracts 

 or longer : sepals linear or oblong-linear, 2 mm. long, surpassed by the linear-clavate 

 bractlets : corolla golden yellow, about 10 mm. long : capsules subglobose, about 3 mm. in 

 diameter. 



In river valleys, Texas. Spring. 



3. Gratiola gracilis Benth. Stems glabrous, 15-25 cm. tall, slender. Leaf-blades 

 oblong to oblong-lanceolate, entire or sparingly toothed, sessile : peduncles much longer 

 than the subtending bracts : sepals lanceolate, obtuse, 2-2.5 mm. long, about as long as 

 the similar bractlets : corolla yellowish white, 6-7 mm. long : capsules subglobose or ovoid- 

 globose, about as long as the calyx. 



In low grounds, eastern Texas. Spring. 



4. Gratiola Floridana Nutt. Stems glabrous or nearly so, 1-3 dm. tall, often 

 branched at the base. Leaf-blades oblanceolate to spatulate, elliptic or oblong, 1-5 cm. 

 long, often obtuse, entire, repand or denticulate, the lowest pair at least narrowed into 

 petiole-like bases : peduncles as long as the subtending bracts or longer : sepals glabrous, 

 nearly linear, about 5 mm. long, often slightly surpassed by the bractlets : corolla 15-20 

 mm. long ; tube yellow ; lobes white : capsules globose-ovoid, 3-3.5 mm. long, not pointed. 



On muddy banks, Tennessee to Georgia, Florida and Alabama. Spring. 



5. Gratiola Virginiana L. Stems viscid-puberulent or pubescent above, 1-3 dm. 

 tall, often branched at the base. Leaf-blades elliptic-spatulate to elliptic or oblong, 1.5-5 

 cm. long, often acute, undulate or shallowly toothed, the lower ones narrowed into petiole- 

 like bases : peduncles as long as the subtending bracts or shorter : sepals viscid-puberulent, 

 linear or linear-lanceolate, 4-4.5 mm. long, about as long as the bractlets : corolla 8-11 

 mm. long ; tube yellowish ; lobes whitish : capsules ovoid, 4-5 mm. long, acute. 



In mud or on wet banks, Quebec to British Columbia, south to Florida, Texas and California. 

 Spring to fall. 



6. Gratiola sphaerocarpa Ell. Stems glabrous or nearly so, 1-4 dm. tall, often 

 diffusely branched. Leaf-blades oblong, elliptic or elliptic-lanceolate, often cuneately nar- 

 rowed at the base, 1.5-5 cm. long, repand to dentate-serrate : peduncles rarely as long as 

 the subtending bracts : sepals linear-lanceolate, 4-5 mm. long, about as long* as the linear 

 bractlets : corolla white, 8-12 mm. long ; tube barely twice as long as the calyx : capsules 

 subglobose, 5-6 mm. in diameter. 



In low grounds, New Jersey to Illinois, south to Florida, Texas and Mexico. Summer and fall. 



