290 PENTANDRIA. DIGYNIA. cuscuta. 



2. C. ew-opcca L, ; flowers sessile ; corolla 4 — 5-cleft, 

 without scales at the base of the stamens ; stigmas simple. 

 Willd. Spec. I. p. 702. Smitk Fl. Brit. I. p. 280. Eng, 

 5of, t. 378. Jtf wA/. Ca/. p. 47. Ro em, ^ S chuluVh 

 p. 199. 



Annual. Stems filiform, reel, climbing. Floivers pale yellow, 

 with a tinge of red, mostly 4-cleft. Corolla campanulate. 

 Stame?ia 4 — 5. Styles divaricate. 



Hab. Parasitic on flax, 8cc. Near Albany, New-York. L. C. 

 Beck. In Pennsylvania. Muhlenberg. July. 



192* HEUCHERA. L. 



Cfl/yx' 5-cleft. Petals 5, small, inserted into the 

 margin of the calyx. Capsule birostrate, 2-celled, 

 manv-seeded. Gen. pL 447. Nutt. Gen. I. p. 174, 

 Juss. p. 308. Lam. Hi. t. CLXXXIV. Roem. 

 ^ Schult* Gen. 1130» Nat. Ord. Saxifragje 

 Jti s s. Mum-root, 



1 . H. americana L. : viscidly pubescent ; scape and 

 leaves a little scabrous ; leaves with rounded lobes, dentate ; 

 teeth dilated, obtuse, mucronate ; panicle dichotomous ; calyx 

 short, obtuse ; petals lanceolate, as long as the calyx. 

 Willd. Spec. \. p. 13^. Elliott Sk. I. p. 337. Muhl, 

 Ca/. p. 29. Walt. Car. ^.\\\. R o em. ^ S chul t.W. 

 p. 215. H. Cortusa Mich. FL I. p. 171. H. viscida 

 Pursh Fl.].p.]S7» Gro n. Virg. 29. Sanicula s. Cor- 

 tusa americana. P luk. Jilm* t. 58. f. 3. Anonyma Mitellae 

 aflinis. Cold, Noveh. 48. 



Root perennial. Leaves all radical, on very long pubescent pe- 

 tioles, round-cordate, about 3 inches in diameter, somewhat 

 hispidly pilose, about 7-lobed ; the lobes with dilated mucro- 

 nate teeth. Scafie naked, 2 — 3 feet long. Panicle or thyrsus 

 elongated ; branches and pedicels at length much divaricate, 

 bracteate at the divisions. Capsule subturbinate, 10-striate; 

 segments ovate, very obtuse. Petals minute, spathulate, pur- 

 ple, inserted into the inner margin of the calyx, between its 

 segments. Filaments as long again as the petals, inserted op- 

 posite the segments of the calyx, persistent ; anthers saffron- 

 coloured, cordate, 2-celled. Styles 2, filiform, persistent; 

 stigmas simple. Capsule 1 -celled, ovate, acuminate, opening 

 between the beaks. Seeds minute, oblong, black, very hispid. 



Hab. In shady rocky situations. June — July. Alum-root. 



2. H. pubescens Ph. : pulverulent-pubescent ; scape 

 smooth below ; leaves somewhat acutely lobed, smooth be- 

 neath, toothed ; teeth rounded, mucronate; peduncles short. 



