Nasturtium. C'ltUCIFER.E. ]47 



oblong ; . the uppermost linear and entire : pedicels slender, ascendinp : pods " globose " or 

 elliptical and somewhat obionipresaed, 2 lines long ; the cells 4-8-Heeded ; Htylc very sliort : 

 seeds smooth. — Fl. Scan. 65. Cnchlenrid Armnruria, \j. Spec. ii. (J48. Armorncia rusticana, 

 Gaertn., Mey. & Scherb. Fl. Wett. ii. 42G.* — An anomalous species; cultivated for its large 

 pungent roots, wliich are used a.s a condiment. An escape in moist grounds, and rarely 

 jicrfecting fruit. (Introd. from Ku.) 



* ♦ Petals yellow or yellowi.-?h, exceeding the calyx : steins from jiercnnial tindergrt>und 

 rootstocks: leaves ])inuatc or jiinnatifid : pedicels usually 3 or 4 linrs long or more: style 

 often sleuder. 



N. SYLVESTiu;, R. IJr. (Yellow Cuess,) Stems slender and flexuous, erect or decumbent, 



1 or 2 feet high: leaves pinnate or deeply pinnatifid witli linear to oblong entire or tofjthed 

 or laciuiatc segments: pods narrowly linear, 3 to G lines long, obtusish ; style usually short 

 or the broad stigma subsessile. — 11. Br. in Ait. f. Kew. ed. 2, iv. 110. — lu wet mea«low.s, 

 JIas.-iachnsetts to Virginia; 2 rather rare. (Nat. from Ku.) 



N. sinuatum, Nutt. Stems decumbent or more usually procumbent or prostrate, branch- 

 ing, i)al(' green, glabrous or slightly scurfy-pubescent : leaved more or less narrowly oblong 

 or oblanceolate, usually deeply and regularly pinnatifid ; the subc(pial oblong to deltoid 

 segments cntii-e or with one or two teeth : pedicels mostly divaricately spreading, sleuder, 



2 to 5 lines long : pods oblong to linear, mostly 3 to 5 lines long, acute at both ends and 

 beaked by a slender style, more or less curved. — Nutt. in Torr. & Gray, Fl. i. 73 ; Brew. 

 & Wats. Bot. Calif, i. 43. N. trachi/carjmm, Gray, Bull. U. S. Geol. & Geog. Surv. ii. 233 ; 

 a frequent form with the axis of the raceme, the pedicels, and pods more or less papillo.se- 

 puberulent, the pods sometimes densely so. — From the plains of the S;iskatchewan to 

 Minnesota and Arkansas, and westward to New Mexico, Arizona, Nevada, and E. < )regon.^ 



Var. calycinum, Watsox, n. var. An extreme form of the papilhtsc-puberulent 

 condition with ov;itc pods (1 to H lines long). — N. cali/rinum, Eugelm. in Warren, Prelim. 

 Report, 18.").5-;)7, l.jfi, & Trans. Am. Phil. Soc. n. ser. xii. 184. — Sandy bottom of the Yellow- 

 stone, Montau.T, Il'n/dcii, 18.54. 



Var. pubescens, Watsox, n. var. Very slender, pubescent throughout with a soft 

 woolly pubescence, the long lax racemes with long and very slender pedicels (3 to 6 lines in 

 length): ovary oblong-obovate, pubescent ; style as long. — On Sauvie's Island, Oregon, 

 J. Howell, 1884. 



Var.* Columbiae, Scksdokf (as spec). Low and spreading, pubescent throughout : 

 leaves rather narrow: pedicels even in fruit scarcely exceeding the capsules; the latter 

 short-oblong (about a line and a half or two lines in length), densely pube.«cent with short 

 and rather fine scarcely papillose hairs. — Suk.sdorf , distr. 952. — Oregon, low gravelly 

 banks of the Columbia liiver near Biugen, Suksdorf, 1890, and earlier at Baker City, 

 Nevitts, 1875. 



* ♦ ♦ Petals yellow or yellowish, rarely exceeding the short calyx : annuals or biennials, 

 with mostly lyrate leaves : style short and thick. 



■«— Pedicels usually 3 or 4 lines long : seeds tubercnlate. 

 N.* terrestre, R. Bk. Biennial, erect, branching, glabrous or rarely slightly pubescent: 

 lower leaves lyrate; the upper more or less deeply pinnatifid or toothed ; the lobes narn)wly 

 to broadly oblong, dentate: pods tnrgid, oblong, 2 to 4 lines long, usually very obtuse. — 

 R. Hr. inAit. f. Kew. ed. 2, iv. 110. A', palustre, DC.^ Syst. ii. 191 ; Gray, Gen. 111. i. 132, 

 t. 53, f. 1-5. ?.V. amplu'biitm, of authors as to Am. pi., not of R. Br. Sisiivihrinm jHiliisIre, 

 L. Spec. ii. 637; Pursh, Fl. ii. 440.^ — Common in wet places from Arctic America to N. 



duced in spring and autumn, while those with broador blades are developed in midsummer. Prof. 

 r>avis adds, 1. c. xx. 291, that tlie lower .stem-k'.aves arc invari.ibly piniiately dissectwl. 



1 Ad<l syn. Roripa Armnmcin, Hitchcock, Spniii; Flw-Manli ittnn, 18. 



2 Maine, 3/iM Furliifh ; Newfoundland. Robinson k firhrtiik; al.so reported from N. Illinois by 

 E. J. Hill, Bot. Gaz. xvii. 246. Add syn. Rori/io sylresfils IVs.-;. Ennm. 27. 



8 Klikitat Co., Wa.shinpton, Suksdorf. Ailil syn. Roripa sinuala, Hitchcock, 1. c. 



* The name of this species has been altered to the earlier combination, in acconlii: 

 jrcneral system of nomenclature .idopted in the work. 



'■' Add syn. Roripo pnlustris. Hess. 1. c. 



