1919.] | NATURAL SCIENCES OF PHILADELPHIA. 289 
Pennell (North Carolina)—4911. (South Carolina) —4874, 4882. 
(Georgia)—4730, 4787, 4812. (Florida)—4704, 4722, 9535, 9645, 
9674. (Alabama)—4473. (Louisiana)—4190, 4296. 
35. SCHWALBEA Linné. 
Schwalbea L., Sp. Pl. 606. 1753. 
Type species, S. americana L., of Virginia. 
1. Schwalbea australis Pennell, sp. nov. 
Stem 4-8 dm. tall, finely pubescent with short ascending or up- 
curved hairs. Leaves elliptic-oval, 3-4 cm. long, 12-18 mm. wide, 
acutish, obscurely reticulate, minutely strigose. Pedicels becoming 
4-5 mm. long in fruit. Calyx 10-ridged, its lobes all acute, the 
posterior linear, 7-10 mm. long, postero-lateral lobes 19-20 mm. long, 
their free portion 6-7 mm. long, the anterior lobes 20-22 mm. long, 
united to within 1-2 mm. of their apices. Corolla about 30 mm. 
long, slender, the lips 10-11 mm. long, the posterior narrowly arched, 
strongly pubescent externally, the anterior densely lanose within 
over the bases of the three short lobes. Capsule at least 10 mm. 
long, not seen mature. 
Type, damp pine barrens near Seville, Volusia Co., Florida, col- 
lected in flower May 10, 1900, A. H. Curtiss 6742; in herbarium of 
the New York Botanical Garden. 
Distinguished from the northern S. americana by the following 
characters: 
Pubescence of stem, pedicels and calyx consisting of recurved hairs. 
Leaves elliptic-lanceolate, rarely over mm. wide, usually 
evidently veined. Anterior calyx-lobes obtuse. 
S. americana, 
Pubescence of stem, pedicels and calyx consisting of upceurved, 
usually shorter hairs. Leaves elliptic-oval, usually about 15 
mm. wide, usually more obscurely veined. Anterior calyx- 
lobes acute or acutish. S. australis. 
Sandy soil, rather moist, oak-land and pine-land, in the Coastal 
Plain from South Carolina to central Florida and Louisiana; inland 
apparently occasional, seen only from “sandy humid places in the 
Cumberland Mountains between Montgomery and Jamestown,” 
Tennessee, collected by Rugel in 1841. 
Flowering from April to June. Not seen growing. 
36. CASTILLEJA Mutis. 
Castilleja Mutis; L. f. Suppl. 293. 1781. 
Type species, C. fissifolia L. f., of Colombia. 
