570 SCR0r.IIULARIACE.4i;. Str.iuodiu. 



10. STEMODIA, I.iim. 

 Calyx deeply S-parted ; tho tlivisions luuruw and nearly e(^ual. Corolla short; 

 the upper lip 2dobed ; tlie lower 3-parted. Stamens 4, included : cells of the an- 

 thers 8(fparat(!d and even short stalktul. Stiynia 2 lobed.* (Japsule short, .sopticidal 

 and tho valvus at ]uii;_;th ^iiaitcd : tho placenta left in the axia. Seeils numerous. 



— Viscid-pubescent herbs, chielly tropical, with opposite or whorled leaves, and 

 solitary llowers in their axils ; these sometimes becoming spicate or racemose at the 

 sumniit of the stems : a \ya\v of bractlets at tho base of tho calyx. 



1. S. dui'antifolia, Swartz. Krect, a span to a foot high: leaves lanceolate, 

 sharply serrate, mostly narroAved below and then with a dilated partly clasping 

 base : llowers sessile : corolla pur|)lish, a (piarter of an inch long. — S. vciiicUlaris, 

 Link; lieichenb. Ic. Exot. ii. t. 14'J. 



Wet grouuda : suutlieiu boideii uf thu Slate, Coullcr, Paimcr. Extends to S. America. 



11. GRATIOLA, Liiiu. IIkdok-IIvssui-. 

 Calyx 5-parted ; the divisions narrow and hardly unequal. Corolla with upper 

 lip entire or 2-lol)ed ; lower one 3-clt'.i't. Stamens included, only 2 fertile ; thciir 

 anthers with 2 transverse (tells on a broad connective ; the anterior jiair reduced to 

 simple sterile lilaments or wanting. Style commonly bent at the tip : stigma of 2 

 flat lobes or lips. Capsule many-seeded, 4-valved, leaving the thick placenta in the 

 axis. — Low and branching herbs ; with opposite sessile leaves, and small solitary 

 flowers on simple naked peduncles in their axils, with or without a pair of bractlets 

 under tho calyx : flowering in summer ; tho corolla in ours whitish and yellowish. 



A gcnu3 of iil)oiit 20 speiits, widely distributed over tho world, iiiaiiily in teiiii»enitu climates, 

 inliaLitiiig wet plmcs. 



1. G. Virginiana, Linn. ^Minuti-ly viscid-])uberulont, a span high, dilfuse: 

 leaves lanceolate, sparingly serrate, mostly narrower below : ])eduncles e([nalling or 

 surpa.ssing the ieiives : u pair of conspicuous bractlets at the base of the calyx : 

 corolla ('I lines long) twice tlie length of the calyx : capsule ovate. 



Ill the Siena Nevada, I'lamas Co., &c. (Lciniuou) ; thence tlaough Oregon to tlie Atlantic States. 



2. Gr. ebracteata, Uenth. Lower and more erect, glabrous, obscurely viscid : 

 leaves lanceolate, acute, oftener entire : no bractlets to tho calyx, which about e(pials 

 the small corolla : calyx globose. — DC. JVodr. x. 51)5. 



Northern part of the State (Ukiah, Bohmdcr), and in Oregon. Root annual. 



12. ILYSANTHES, Raf. 

 Calyx 5-parted ; the divisions narrow and nearly equal. Corolla with a short and 

 erect 2-lobed iq)})er lip ; the larger lower one 3-cleft and spreading. Stamens only 

 2 fertile, included, with 2-c,elled anthers; tho anterior pair slerile, inserteil high up 

 on tho throat of tho corolla, consisting each of an unequally 2-lobed lilament ; the 

 Mhorter lobe smooth and tooth-like, tho longer one glandular. Stylo straight: stigma 

 of two small flat lobes or lips. Cajisule small, many-seeded, 2-valved ; the edges of 

 the valves separating from tlu; jiartition, which is left with the un<livide(l placenta. 



— Small and low annuals, glabrous ; with opposite sessile leaves, and solitary 

 1 -flowered Aliform and naked peduncles in their axils, the upper becoming racemose 

 by the reduction of the subtending leaves to bracts. Flowering all summer. 



A genus of several species, distrilmted over the worhl in the manner of OraHoJd. 



