434 PENNELL: STUDIES IN THE AGALINANAE 
Mississippi: Ocean Springs; Biloxi; Pass Christian; Nicholson. 
Louisiana: Abita Springs. 
17. Agalinis decemloba (Greene) Pennell, comb. nov. 
Gerardia decemloba Greene, Pittonia 4: 51. 1899. “Plant not 
uncommon about Brookland, D. C., inhabiting grassy knolls 
and hillsides bordering on pine woods.’’ A specimen in Herb. 
N. Y. Bot. Gard. collected by Dr. E. L. Greene at Brookland, 
D. C., in Oct. 1898, may stand as the type. 
Flowers, late-August to mid-September. Fruit, late- Scotenbee 
to October. 
DIsTRIBUTION: Dry soil, light sand or clay, in the coastal 
plain in Kent Co., Delaware, frequent on Potomac formation near 
Washington, D. C.,-and probably occasional south North 
Carolina. Occasional inland in the Piedmont region from Penn- 
sylvania to North Carolina. Apparently has a fragmentary 
distribution, but not well understood. 
PLANTS AND SPECIMENS EXAMINED: 
Delaware: Felton. 
Maryland: Buena Vista (264r); Lanham; Forest Glen; Silver 
Springs. 
District of Columbia: Takoma Park (2654); Brookland ae 
2661, 2677, 4950). 
18. Agalinis tenella Pennell, sp. nov. 
Annual. Plant 5-8 dm. tall, laxly branched, branches slender. 
Stem angled, glabrous throughout. Leaves spreading, linear- 
filiform to nearly filiform, acutish to acute, opposite nearly through- 
out, those of the stem I-1.5 (~2) cm. long. Axillary fascicles 
none. Racemes of 8-12 mostly opposite flowers. Pedicels 
slender, in flower 8-20 mm. long, in fruit reaching 25 mm. long. 
Calyx-tube reticulate-venulose; lobes minute, apiculate. Corolla 
15-20 mm. long, minutely pubescent without, pubescent with 
pink hairs within at base of upper lobes, rose-pink, 2 yellow lines 
and small diffused purple spots within throat; lobes all spreading, 
more or less emarginate, ciliate. Pilamenes lanose especia 
toward apex; anther-sacs lanceolate, mucronate at base, 2 mm. 
long, villose with pink hairs 1.5 mm. long. Style slender, 5-8 
mm. long. Capsule globose-ovoid, much flattened at base, 4 mm. 
a Seeds narrow, yellowish-brown. 
