288 PROCEEDINGS OF THE ACADEMY OF [Dec., 
of the calyx. Capsule out 5-6.5mm. long. Seeds. Stem less 
pubescent or even glabr 
Leaves prevailingly faarevlate eiptie. mostly obtuse, only the 
uppermost at times linear and then reduced. Corolla-lobes 
ually 4-6 mm. long. 2a. B. elongata obtusa. 
Leaves linear or nearly so, mostly acute to acuminate, only the 
lowermost if any fatosolate altiivtio. Corolla-lobes usually 
6-8 mm. long. Riedie cuceat 
1. Buchnera americana L. 
Buchnera americana 1.., 1. ce. 630. 1753. “Habitat in Virginia, Canada. 
Based upon Gron., Fl. Virg. 74. a utes. by Clayton 142 from Vie 
ginia. Description sufficiently distin 
Sandy or sterile loam soil, hci the area except in the 
Appalachians, probably more frequent in the Coastal Plain where 
it may intergrade with B. elongata obtusa. 
Flowering from June to September, and soon ripening fruit. 
Corolla purplish-blue throughout. 
Pennell (Alabama)—4478; 4518, 4550, 4554. 
2. Buchnera elongata Sw 
Buchnera elongat ta Sw. Prod. Veg. Ind. Occ. 92. 1788. “India occidentalis, 
Jamaica”; Fl. Ind. Oce. 1061. 1800, “Habitat in 7 depressis Indiae 
occidentalis. Versu us j jugum m ontium paroeciae Clarendon Jamaicae.” 
Sandy soil, dunes and limestone pineland of pe Florida, 
passing into var. obtusa. Ranges through the West Indies, and in 
northern South America. 
Pennell (Florida)—9541, 9543, ao 9547, 9552. 
2a. Buchnera elongata obtusa Pennell, var. 
Buchnera angustifolia Raf., New FI. ine : 82. 1837. “In Alabam 
scribed as with i: teat leaves, but ae remote. Sure ly an orp 
te of our variety. 
OF: Buchner beiconts Raf., 1. ¢. 39. 1837. “Florida.” Description of 
and quite smooth ur pint that this may belong to some 
nt is a pubescent, 
it oadbacnally oecurs nearly glal tiv 
Leaves prevailingly taussolaee attipiie: mostly obtuse, only the 
uppermost linear and then not elongate. Corolla usually smaller 
than in the species, its lobes usually 4-6 mm. long. Intergrades 
with the species in southern Florida and the Bahamas. 
Type, open sandy pineland, 1-2 miles north of Abita Springs, 5t. 
Tammany Parish, Louisiana, collected in flower and fruit Aug- 
ust 14, 1912, F. W. Pennell 4190, in herbarium New York Botanical 
Garden; isotype in herbarium University of Pennsylvania. 
Sandy pineland, in the Coastal Plain from North Carolina to 
southern Florida, westward to southeastern Texas. 
Flowering from March to October, and soon ripening fruit; south- 
ward throughout the year. Corolla purplish-blue pcihaciiiai: occur- 
ring also frequently in an albino form. 
