HEUCHERA. PENTANDR[A. DIGYNIA. 291 



with crowded flowers ; calyx large, campanulate ; petals 

 longer than the calyx ; stamens scarcely exserted. Pursh 

 F/. l.p. 187. Roem. <^ Sehuit. YU^.216. H. gran- 

 dijlora R af. MS. 



Leaves on long, nearly smooth petioles, about 7-lobed, pilose-ci- 

 liate on tlie nnari^iii ; lobes rounded, with broad mucronate 

 teeth. Sca/ie about 2 feet lung, with one or two small leaves> 

 scabrous-pulverulent above ; branches few-flowered, with su- 

 bulate bracts at the base. Calyx ovate-campanulate ; seg- 

 ments oblong, rather acute. Petals spathulate, attenuate at 

 the base, (pale red, with yellow. Ph.) Stamens about as long 

 as the petals. Styles exserted. 



Hab. On the Blue Mountains of Pennsylvania and Virginia^ 

 Pursh. On the Alleghany Mountains, Maryland. R a« 

 finesqu e. 



In the specimen sent me hy Mr. Rafinesqucy there 

 were two small leaves on the scape, but I know not whether 

 this character be constant. 



193. PANAX. L, 



Polygamous. Flowers in a simple umbel. Per- 

 PECT. Calyx 5-toothed. Petals 5. Style 2—3. 

 Berry subcordate, 2-— 3-seeded. Staminiferous, 

 Calyx entire. Gen. pi. 1604. Nutt. Gen. I. p. 

 175. Juss.\i.2\^. L a m. III. t. 860. f, I. Roenu 

 Ss? Schult. Gen. 1 127. Nat. Ord. Ar a l liE Ju s s. 



1. p. trifolium L. : leaves ternate ; leaflets subsessile : 

 styles 3; berry tricoccous ; root globose. Willd. Spec IV. 

 p. 1124. Mieh. Fl. 11. p. 256. Pursh FL I. p. 191. 

 Roem. ^' Schult. VI. p. 212. P. pusilla Bot. Mag. t. 

 1334. P. foliis ternis ternalis, G r on. Virg. 35. P Luk. 

 Mant, t. 435. f. 7. Cold. Koveb. 52. 



Root a round tuber, about as large as a hazel-nut. Stem 4 — 8 

 inches high, simple, smooth, divided at the top into 3 petioles 

 about an inch in length. Leaflets oblong-lanceolate, acutelj 

 serrate, very smooth and shining. Peduncle longer than the 

 leaves. Umbel of the perfect flowers 4 — 8-rayed ; rays about 

 one-fourth of an inch long. Involucrum 3 — 4-leaved ; leaves 

 subulate, shorter than the rays. Calyx minute, with 5 rather 

 acute teeth. Petals I Styles 3, diverging; stigmas simple. 

 Berry green, obtusely triangular, 3-celled, S-seeded. Seedfi 

 cordate, acute, comr>ressed on one side. Staminifekous. 

 Peduncle longer. Umbel many-flowered (15 — 20) -^ pedicels 

 about 4 lines long, filiform. Calyx turbinate, ohsoletely 5- 

 toothed. Petals minute, oblong, obtuse, white. SlarAens 5, a 

 little longer than the corolla j Jilamenta inserted into the calyx ; 

 anthers roundish, 2-ceUed. Styles obsolete. 



