PiMLAUKLPHus. SAXlFRAGACEiE. 595 



Alabama, Mr. Bucldey ! May. — Whole jjlaiit glabrous. Flowers scent- 

 less. — Tills sjiecirs a|)pears to be little known in tultivation. The (lowers 

 are smaller and much less showy than P. grand illorus. 



-^ — 2. P. irrandijlnrus (Willd.) : more or less pubescent; leaves ovate or 

 ovate-oblont;, acuminate, dentate or denticulate with sharp teeth, triplinerved ; 

 flowers (large) 1-3 or more at the extremity of the branches, on slender 

 pedicels; segments of the calyx ovale or ovate-lanceolate, conspicuously 

 acuminate, much longer than the tube ; style eciualling or longer than the 

 stamens.— I'TiW J..' enum. 1. ji. 511 ; Pursh! jl. 1. j). 3'29 ; Ell. sk. 1. ;;. 

 538 ,• Guinq). Otto, Sy Hiujne, holz. t. 44 ; Schrad.! in DC. prodr. 3. p. 206, 

 ^- in Linntea, 12. p. 43. P. inodorus, Miclti:.' Jl. 1. p. 283. P. speciosus, 

 iSchrad. ! I. c. 



p. laxus : branches weak and pendulous ; leaves (especially of the young 

 branches) shar|)ly toothed, the upper ones acute at the base and often entire; 

 segments of the calyx much elongated and spreading in fruit ; flowers 1-3, 

 or'^often G.— P. laxus, Schrad.! L c. ; Lindl. ! hot. re<r. (*er, 2) t. 39. 



y. Jloribundus : flowers 5-7. — P. floribundus, verrucosus, latifolius, Sc 

 Zeyheri ? Schrad. I. c. P. grandiflorus, Bot. reg. t. 570. 



Along streams, Virginia ! to (Georgia I mostly in tlie upper country. April- 

 May. — Shrub G-10 feet high; the young branches long and flexible. Flowers 

 nearly inodorous, showy, usually only 3 together in a wild state. — The 

 several species of Schrader cited above, are certainly only varieties of our 

 p. grandiflorus. 



3. P. hirsutus (Nutt.) : leaves ovate, acuminate, sharply serrate-dentate, 

 3-nerved from the base, scabrous-pubescent a])ove, canescently hirsute with 

 appresscd hairs beneath, as well as the pedicels and calyx ; flowers (small) 

 1-3, terminating the short branchlets, on very short pedicels ; segments of 

 the calyx triangular-ovate, about the length of the tube; style shorter than 

 the stamens; stigmas short, connate. — Nutt. ! gen. \. p. 301 ; DC. ! prodr. 3. 

 p. 206. P. truiervius, Schrad., in Linneea, 12. p. 47. P. pubescens, Bosc. 



Tennessee, " on tlie rocky banks of French IJroad River, near the Warm 

 Springs," Nuttall ! — A small slirub, with virgate branches ; the flowers in a 

 wild stale smaller than in P. coronarius. Styles connate to the summit, but 

 when old separable for one-third tlieir length. 



4. P. Lewisii (Pursh) : leaves ovate, acute, 3-5-ner\'ed from the base, the 

 adult ones nearly entire and somewhat glabrous ; flowers (small) racemose, 

 on short pedicels ; segments of the calyx ovate-lanceolate, acute, twice the 

 length of the tube ; style about the length of the stamens; stigmas 3-4, very 

 long.— Pursh .' fi.l. p. 329 ; Hofjk. ! % Bar. -Am. 1. p. 220 (partly). 



Oregon, Lewis! Douglas! Nuttall! Mr. Tolmie ! in open pine woods. 

 Also near St. Barbara, California, fide Nuttall.— \ low shrub, with slender 

 branches spreading horizontally, somewhat hairy when young. Leaves 

 small, the younger ones loothed ; the adult ones often with a woolly tuft at 

 the axils of the nerves beneath. Flowers much smaller than in P. ino(loru8, 

 scentless. Fruit turbinate, 4-celled ; but one of the stigmas often abortive. 



5. P. Gordonianus (Lindl.) : leaves ovate, acuminate, triplinerved, ser- 

 rate-toothed, hairy ; flowers (rather large, numerous) in 5-9-flowered com- 

 pact racemes ; segments of the calyx ovate, acuminate ; style shorter than 

 the stamens, deeply-cleft; stigmas short. — Lindl.! bot. reg. {misc. 1838. no. 

 23, S^-) ser. 2. t. 32. P. Oreganus, Nutt. ! mss. 



Shady woods, Oregon, common near the coast, Douglas! Nuttall! Mr. 

 Tolmie'! July.— Shrub 4-6 feet high. Flowers inodorous. Fruit large, 

 more than half superior. Leaves often very coarsely serrate and more or 

 less liirsutc. 



