288 



SCROPHULARIACE^. (fIQWOKT FAMILY.) 



§ I. Anthers with a broad connective: the cells transverSk: stems mostly diffusely 

 branclied, soft viscid-pubescent or smooth. 

 * Sterile Jilam,ents minute or nam : corolla whitish, with the tube yellmmsh. 

 1- tf- Virgilliana, L. Stem rather clammy-pubescent above, loosely- 

 branched (4' -6' high); leaves lanceolate, narrowed at the base, sparingly 

 toothed ; peduncles almost equalling the leaves (i' - 1' long) ; pod ovoid (2" long). 

 — Wet places; very common. June -Aug. 



2. O. SphKrocdrpa, Ell. Smooth, rather stout (5'-10' high); leaves 

 lance-ovate or oblong, toothed, peduncles scarcely longer than the calyx and the 

 large (3") globular pod. — Wet places, Virginia? Kentucky, and southward. 



* Sterile filaments slender, tipped with a little head : leaves short ( J' - 1 ' long). 



3. O. viSCOSa, Schweinitz. Clammy-pubescent or glandular; leaves ooate- 

 laiKeolate or oblong, acute, toothed, mostly shorter than the peduncles ; corolla 

 whitish, yellow within. — Wot places, Kentucky and southward. July. — Stems 

 4' - 10' high from a rooting base, as in the next. 



4. G, aiirea, Muhl. Nearly glabrous; leaves lanceolate err oblong-linear, 

 entire, equalling the peduncles ; corolla golden yellow (J' long). — Sandy swamps, 

 Vermont "i and Mass. to Virginia, near the coast, and southward. June - Sept. 



§ 2. Anthers with no broad connective ; the cells vertical : hairy plants, with erect rigid 

 stents: sterile filaments tipped with a bead. 



5. G. pildsa, Michx. Leaves ovate or oblong, sparingly toothed, sessile 

 (J' - 1' long) ; flowers nearly sessile ; corolla white, scarcely exceeding the calyx 



-Low ground, Maryland and southward. 



12. IliYSAlVTHES, Kaf. (Lindeknia, Muhl.) 



Calyx 6-parted, nearly equal. Upper lip of the corolla short, erect, 2-lobed ; 

 the lower larger and spreading, 3-cleft. Fertile stamens 2, included, posterior ; 

 the anterior pair sterile, inserted in the throat of the corolla, 2-lobed, without 

 authers ; one of the lobes glandular ; the other smooth, usually short and tooth- 

 like. Style 2-lipped at the apex. Pod ovate or oblong, many-seeded. — Small 

 smooth herbs, with opposite leaves, and small axillaiy (purplish) flowers, or the 

 upper racemed. (Name from iKvs, mud or mire, and avdos,fiower.) 



1. I. g:ratioloides, Benth. (False Pimpbenel.) Much branched, 

 diff'usely spreading (4' -8' high); leaves ovate, rounded, or oblong, sparingly 

 toothed or entire, the upper partly clasping; pod ovoid-oblong. (J) (Capraria 

 gratioloides, L. Lindernia dilat^ta, & L. attenuata, MuU.) — Low grounds, 

 and along rivulets ; common. June - Sept. 



13, HEMIANXHITS, Nutt. Hemianthcs. 



Calyx 4-toothed, equal. Corolla 2-lipped ; the upper lip very short, entire ; 

 the lower 3-Iobed, with the middle lobe elongated and spreading. Stamens 2, 

 anterior, with a scale at the base of the filaments : sterile filaments none. Style 

 short. Pod globular, membranaceous, the thin partition vanishing. Seeds 

 rather numerous. — A very small and inconspicuous annual, creeping and root- 



