CECANDEIA DIGYNIA. SaX-ifiaga. 



acute tridentatis, caule adscendente racemoso, petalis 



lanceolatis calyce triplo longioribus. JV'illd. sp. pi. 2. 



p. 657. 

 Icon. Fl. dan. gyd. 

 On Hudson's Bay. 1/. June, v. s. in Herb. Banks. 



Flowers large, white, handsomely punctated. 



SIS 



381. TIARELLA. Gen.pl. 765. 



l.T. foliis cordatis acute-lobatis dentatis, dentibus mucro- cord'ifolia. 



natis, scapo racemoso. — fVilld. sp. pi. 2. p. 65g. 

 Icon. Herm.parad. 129. Lam. illustr. 373. 

 In shady woods of Canada, and on the high mountains of 



New York and Pensylvania. 1/ . April, May, v. v. 



Flowers white, 



2. T, foliis ovatis cordatis acutis brevi-lobatis dentatis, cau- Menxiesiu 



linis alternis distantibus, racemo lilitbrmi subspicato, 

 calycibus tubulosis. 

 On the north-west coast. Menzies. 1/ . v. s. in Herb. 

 Banks. More than a foot higli, with five or six alter- 

 nate leaves on the stem, 



3. T. foliis ternatis, foliolis subrhomboideis serratis pi]osis> trifoliata, 



racemis terminalibus, corymbulis florum alternis, caly- 

 cibus campanulatis. — Willd. sp. pi. 2. p. 659. 

 V On the north-west coast. Menzies. If., v. s. in Herb. 

 Banks. 



4. T. foliis biternatis, foliolis ovato-cordatis obliquis inciso- liternata. 



lobatis dentatis, caule folioso, panicula terminali Ji- 

 varicato-spiciflora. Veni. malm. 54. 

 On the mountains of South Carolina. 1/ , May. v. v. 

 This plant resembles Spircea Aruncus in habit ; tlow- 

 ers yellowish-white. The specimens I had an oppor- 

 tunity to examine were destitute of petals, though they 

 are so distinctly described by Ventenat. It is how- 

 ever probable that some individuals may be petali- 

 ferous, while others are apetalous. 



382. MITELLA. Gen. pi. 766. 



1. M. foliis sublobato-acntangulis dentatis, caule erecto su- 

 perne opposite diphyllo. — IVilld. sp. pi. 2. p. 6,59. 

 Icon. Rob. ic. 80, Schkukr handb. 1. /. 120. Lam. il- 

 lustr. t.373.f. I. 

 In shady places, among rocks, near springs. 7/ . May. 



diphylla. 



