44G DECANDRIA. DIGYNIA. iiarella. 



high, naked, simple. Flowers in a simple terminal raceme j 

 pedicels about half an inch long, without bracts at the base. 

 Segments of the calyx spathulate, rather obtuse. Petals 

 white, spreading, as long again as the calyx, elliptical, attenu- 

 ated at the base. Stamens longer than the flower; filaments 

 slender, smooth ; anthers roundish. Styles subulate, spread- 

 ing ; stigmas simple. 

 Hab. On shady rocks and on mountains ; not uncommon. May. 



Mitre-wort. 



298. MITELLA. L. 



Calyx 5-cleft, persistent. Petals 5, pinnatifid, in- 

 serted into the calyx. Capsule 1 -celled, 2-valved ; 

 valves equal. Gen. pi. 766. Nutt. Gen. I. p. 

 285, Juss. p. 309. Lam, III. t 373. f. 1. Nate 

 Ord. Saxifrage^e Juss. liaise Sanifle-, 



1 . M. diphylla L. : leaves somewhat lobed, with the 

 lobes acute and dentate; stem erect, with 2 opposite leaves 

 above the middle. Wit Id. S/)ec. II. p. 659. Lam, III. 

 1. c. Schk. handb. 1. 1. 1 20. (fide Ph. J M i c h. Fl. I. p 

 270. Pursh Fl.l.^p, 313. M. scapo diph)'llo. C o / Jo 

 Koveh. 96. 



Root perennial, creeping. Stem about a foot high, erect, slender, 

 simple, slightly pubescent, with 2 opposite leaves above. Radi- 

 cal leaves on long hairy petioles, cordate, pubescent, doubly and 

 acutely dentate ; stem leaves closely sessile, ovate, acuminate, 

 subtricuspidate. Flonixers smaU, in a Long^ loose terminal ra- 

 ceme or spike ; fiedicels very short. Calyx campanulate ; 

 segments ovate, acute. Petals white, pinnatifid-laciniate, as 

 long again as the calyx, an;l inserted betv/een its teeth. Sta- 

 mens very short ; filaments inserted into the calyx ; anthers 

 subglobose. Styles mir,utei divergent ; stigmas obtuse. Ca^i- 

 sule ovate, half 2-valved. Seeds numerous, roundish. 



Hab. On wet rocks along the banks of creeks. May. 



2. M. cordifoUa Lam.: leaves orbicular- reniform, 

 cloubly-crenate, with scattered hairs above; scape erect or 

 prostrate, naked, or with a single leaf. Lam. Enc. IV. p. 

 185. III. t. 373. f. 3. Will d. Spec. II. p. 660. M i c h. 

 Fl. I. p. 270. Pursh F/. 1. p. 314. M. nuda Will d. 

 1. c. M. reniformis La m. Enc, IV. p. 185 ? III. i. 372. 

 f. 2? 



Boot perennial, creeping. Stem slender, pubescent, 6 — 8 inches 

 long, sometimes prostrate, with creeping suckers at the base, 

 naked, or with a subsessile leaf near the middle. Radical 

 leaves rovmdish, on long petioles, sublobed ; the lobes obiusel'- 



