LARIATE-*:. 



205 



1 T DicnoTOMA. S^lrm erect, branching. Leaves ovntc-lanccolate, broad 

 pul>0!icont, entire. Flou^rs in dicbotouioiis panicles, solitary, in ilio divisions 

 of liie branches. Oi/i/x hispid, ribbed, bilabiate. S/«//ictw unequal. S^^.'wia* 2. 

 Blue. G July— September. Dry soils, very common. 2-3 feet. 



S T LlKEARis. Stem viscidly pubescent. leaves linear, smooth, sessile, 

 acute at each end, teeth of the calyx awncd- Stumens very long. 

 Blue. O June — September. Dry fields. 6-12 inches. 



Gents VII. COLLINSONIA. 



Co/yx bi-I;ibiatc, upper Up S-toothcd, lower one bifid. Co» 

 ro//rt unequal, lower lip witii numerous capillary segments. — 

 Stamens 2-4, <St'e£i generally abortive except 1. 



1 C Ca^vapense. Stem 4-an£:lcd, smooth. Leaves broad cordate, ovate, 

 glabrous, tctth of the calyx subulate. Flon-crs large, in a compound termi- 

 nal panicle. Horse holm. Heal all. Stone root. Knot root. 



2 C ScABRA. Stem furrowed, pubescent towards the summit, glabrous 

 at the bai^. Leaves rugose, pubescent, ovate, slightly cordate, obtuse on 

 short petioles. I-loirers in terminal racemes. Calyx pubescent, with lanceo- 

 late segments. Corolla pul^escent, the lower lip fimbriate. 



Yellow and purple. Sept. — Oct. In the low country. 2-3 feet. 



3 C OvALis. Stem glabrous. Leaves oblong-oval, glabrous, acute, on 

 long petioles. Flouxrs in simple terminal panicles, teeth of the calyx short. 

 Corolla small. 



Yellow- % July — August. Middle Carolina. 



4 C TuBERosA. Stem somewhat pubescent, branching. Leaves large, 

 rhomboid-oval, glabrous, serrate, on long petioles, except the upper ones. 



Yellow. '4 Aug. — Sept. / Rich soils. 3-4 ft. 



5 C PiTfCTATA. Stem erect, scabrous, pubescent, branching at the sum- 

 mit. Leaves ovate-lanceolate, large, acuminate, dentate, pubescent and dol- 

 te*' " pper pair nearly sessile, ovate. Flowers m compound, pani- 

 cu ^. Calyx with the lower lip longest, sprinkled with resinous 

 d -ts. Corolla pubescent, upper segments short, lower one fimbriate; fila 

 raent.'' 4, two upper onesstenie. 



Yellow. % Sept. — Oct. Rich soils, common. 2-4 ft. 



6 C Verticillata. Stem erect, simple. Leaves verticillate, oval, acumi- 

 nate. Flowers in a terminal, verticillate raceme. 



Var. Purpttrasce.vs. Floirers purple, in a short panicle. 

 Yellow. % May— July. Middle Georgia. 1-2 ft. 



7 C Anisata. Stem erect, branching, pubescent; segments of the ca« 

 lyx linear. Flowers in a compound panicle, leafy, pubescent. Stamen* 4. 



Pole yellow. % July — Sept. Mountains. 1-2 teet. 



Genus VIII CERANTHERA. 



Calyx bilabiate, tbe upper lip einarginate, tbe lower 2-cIert. 

 Corolla double the lengtli of the caly.x, l)i-labiate, the upper 

 lip 2-lobed. the low er 3-parted. Stamens 4, distant, e.xserted. 

 Anthers awned. 



1 C LT?rr.ARiT^T.TA. S^«n erect, glabrous, branching, /.earra hnear, dot- 

 ted, f< Flowers in terminal racemes. Calyx striate, 

 osual':- . . ''i minutely pubescent at the summit, dotted. Cor- 

 oUa with throat mtlated. Style longer than the stamens, hispid. 



Reddish, spotted with >iulet. O Sept. — Oct. Near Culloden. 12-18 in 

 PAST II. IG 



