Parrya. CKrClFEK/E. 151 



38. PLATYSPilfcRMUM, Hook. (Or. TrXarv?, broad, and o-Tre'p/xu, seed.) 

 — A single species, u sleiuk-r (!:irly siiring nnnuiil of the valleys of the- Gn:a 

 Basin — Fl. Bor.-Am. i. GH, t. IH, f. li. [By S. Watson.] 



P. SCapigerum, Hook. 1. c. Scapes I lit (» iiiclms liifjh in fruit: l(,.>.r. ^in.iu, .>i..i.i. 

 Tiiiiiiatiliil with IVw lolios, often iL-iliiced to a sinj^le rlioiiihii' or ovate tooihe<l or entire loin; 

 uijciu a sk'udir jjetiole : flowers aljout a line long: petals varying fr<jni narrowly obovatc to 

 liuear-spatnlate : jtod 3 to 5 lines long, 8-12-!*eeiled. — In the dry interior region, from 

 Klikitat County, Washington, to the Carson River, and eastward to the Clear Watvr, 

 Spalilin;/, and Kootenai County, Idako, Geyer. 



39. SEL^INIA, Nutt. (Gr. aeX-^vi], tlie moon, in allusion to the near 

 relation of the genus to Lunavia.) — Septum oceasionally perforate or nearly 

 wanting. Seed-coats thick and sometimes separate. Species with golden yellow 

 flowers, blooming in spring. — Jour. Acad. Thilad. v. 132, t. G; Torr. & Gray, 

 Fl. i. 99 ; Gray, Gen. 111. i. 157. [By S. Watson.] 



S. aiirea, Nutt. 1. c. Branching usually from the base, a span high or less : leaves pinnati- 

 sect ; the narrow lobes entire oi with one or two coarse teeth ; floral Idaves similar : pedicels 

 ascending, a half to one inch long : sepals unappenctaged : pod about six lines long and two 

 or three lines broad. — Torr. & Gray, 1. c. ; Hook. f. Hot. Mag. t. 6607. — On wet prairies, 

 from S. VV. Missouri and S. E- Kansas to the Arkan.sas River. 



Vstr. aperta, Watson, u. var. Pedicels divaricate : jtods broadly elliptical (6 to 8 

 lines long), with a style 4 to 6 lines long; septum reduced to a narrow margin. — S. aurea, 

 var. $, Torr. & Gray, 1. c. ; Gray, 1. c. t. 67. — Near St. Augustine, Texas, Ltiucuicorth. 



S. dissecta, Tokk. Low (3 to 6 inches high), very leafy and flowering from the >)ase : 

 leaves doubly pinnatisect : outer sepals much the larpjer, appeudaged near the apex : pod 

 obloug-obovatc, an inch long or less and 5 or 6 Hues wide ; the style 1 to 4 lines long : seeds 

 nearly .3 lines broad. — Pacif. R. Rep. ii. 160, t. 1. — In extreme Western Texas; near the 

 mouth of Delaware Creek, Capt. Pope, and prairies south of Ft. Davis, Dr. Uacard. 



40. PARRYA, R. Br. ( Capt. W. E. Parry, upon whose first voyage for 

 the discovery of a northwest passage, in the years 1819-20, the species upon 

 which the genus was founded was collected.) — North American and Asiatic 

 perennials with branching caudex and naked scape-like peduncles, glabrous or 

 rough-pubescent. Ten Asiatic species are described, but they vary much in their 

 cliaracters and several of them are imperfectly known. Tlie genus is here 



■ characterized according to the more typical species. — R. Br. hi Parry, 1st Toy. 

 Suppl. to App. 268 ; Benth. & Hook. Gen. i. G7 ; Regel, Enum. PI. Semen<>\ . 

 Suppl. ii. 20. [By S. Watson.] 



§1. Paurya proper. Stigma distinctly 2-lobed : seeds margined and cotyle- 

 dons strictly accumbent : scape naked. 



P. arctica, R. Bit. Dwarf, glabrous : the slender branches of the cauilox very short : leaves 

 short, linear-oblanceolate : scape becoming 2 or 3 inches high in fruit: pod nbloiiL' (♦' t" '.' 

 lines long), obtuse, beaked l>y the very short nearly sessile stigmas, 6 to 8-sfeded, sprcaiiinir : 

 seeds with loose rugose testa. — R. Br. 1. c. 260, t. B. — Islands and co.v«t of Antic 

 America, cast of the Mackenzie River. The Siberian specimens referred to this species by 

 Regel belong to the next. 

 P. macrocarpa, R. Br. Caudex stout; the branches usually covered with the remains of 

 dead leaves : leaves ol)long- to linear-oblanceolate, 2 to 4 inches Ion*,' inclmling the long 

 petioles, usually coarsely and sharply toothed, glabrous or more or Ics.'i rough -pubescent 

 tliroughout with short stiff glandular hairs: scape 2 to 6 inches high : flowers birgc : pods 

 ascending, acute and t)eakedwiil' .l.i,,l. r style, an inch ..r twi. l.-ii'v (".-;< smi..! : sccis 



