GENERA. Iv 



B. Seeds many, on a. central placenta. 



i. Cells 2. 



a. Fl. nearly regular. 



590. CELSIA. Cor. rotate, 5-lobed; the 2 tipper Segm. somewhat smaller. Longer 

 Stameus bearded. A Nerhviicmn., except for the number of its stamens. Sor,ANACEyE. p. 262. 



599. EE.INUS. Cor. salver-shaped, somewhat 2-lipped ; Segm. emarginate. Valves of 

 Caps, bent in the middle. Scrophulakiace/E. p. 266. 



601. DIGITALIS. Cor. campanulate, ventricose at base. Margin oblique, with 4 or 5 

 shallow lobes. Upright plants, with alternate L. and terminal Eac. of Fl. Scrophulakia- 

 cEiE. LuKiD^ of Linn. p. 267. 



b. Fl. ringent. Cal. ^-cleft. ScEOPHULAEiACEiE. 



611. PEDICULARIS. Cor. not unequal at base ; upper Lip compressed. Seeds reticu- 

 late or pitted. Perennial marsh plants, with pinnatifid L., turning black in drying, p. 271. 



594. LUyrARIA. Cor. spurred at base. Mouth closed, or nearly so, with a prominent pa- 

 late. Cells opening by a pore with one or more valves. Habit various, p. 264. 



593. AISTTIKRHINUM. Cor. gibbous at base : mouth closed with a bearded palate. Cells 

 of Caps, opening by one or two pores. Lower L. usually opposite ; upper alternate, p. 263. 



593. AN'AIlB.HI]SrUM. Cor. gibbous at base ; month open. Cells of Caps, equal, opening 

 on the back by a pore with a single valve. Root-L. in rosettes. Stem-L. alternate, p. 263. 



c. Fl. ringent, reversed. Cal. 'k-cleft. Sceophulariace^. 



591. SCROPHUIiARIA. Tube of Cor. inflated ; an additional scale within the upper lip. 

 Caps, opening by 2 valves with inflesed margins, p. 262. 



d. Fl. ringent, direct, without additional scale. Cal. ^-cleft. Sceophulariace^. 



604. EUFKAGIA. Teeth of Cal. nearly equal. Cells of Anthers awned. Seeds numerous, 

 finely striate, but without wings or prominent ribs. p. 269. 



606. TRIXAGO. Teeth of Cal. nearly equal. Cells of Anthers awned. Placentas thick 

 and cloven. Seeds very small, with longitudinal ribs. p. 270. 



606. EUPHRASIA. Teeth of Cal. nearly equal. Upper Lip of Cor. spreading, trifid. Cells 

 of Anthers awned. Placentas thin. Seeds small, pendulous, with longitudinal ribs. p. 270. 



607. ODONTITES. Teeth of Cal. nearly equal. Upper Lip of Cor. concave, nearly en- 

 tire. Cells of Anthers awned. Placentas thin. Seeds small, pendulous, with longitudinal 

 ribs. p. 270. 



608. BARTSIA. Teeth of Cal. nearly equal. Upper Lip of Cor. concave, neai'ly entire. 

 Cells of Anthers awned. Placentas thin. Seeds small, transverse : the ribs winged, p. 270. 



609. RHIWANTHTIS. Cal. inflated. Teeth nearly equal. Upper Lip of Cor. compressed. 

 Margin of Seeds winged. Caps, compressed, acuminate, p. 270. 



610. RHYNCHOCORYS. Cal. compressed : upper Lip neai-ly entire ; lower bipartite. 

 Upper Lip of Cor. prolonged into a slender beak. Seeds globose, wrinkled, p. 271. 



ii. Cell single. Scrophulaeiace^. 



596. lilNDERNIA. Cal. 5-parted. Cor. ringent. (Two of the Eil. with a short, glan- 

 dular appendage at base. Benth.) (Anthers of lower Eil. lateral. Beet.) A small annual 

 marsh plant, p. 266. 



598. LIMOSELIiA. Cal. 5-cleft. Cor. between rotate and campanulate, 5-cleft. A thin 

 and imperfect Dissepiment parallel to the valves of capsule. A small marsh plant, with entire 

 Tj. PEECiyE of Linn. p. 266. 



