OF ARTS AND SCIENCES. 138 



what caulescent form, with very Blender elongated leaves 1 1 \ inches 

 in length, has been found in the Rocky Mountains of Colorado, .!//>■> 

 Eastwood, and Arizona, Rothrock. It is connected, however, with Un- 

 typical form by gradual transitions. 



* * * Caulescent perennials, 

 -i- Eastern and Southern species. 

 ++ Calyx inflated, flowers white or pink, scattered or panicled. 



- S. Cucubalus, YVibel. (Bladder Campion.) Glaucous: Btems 

 ascending, a foot or more in height, leafy below, smooth or somewhat 

 rough-pubescent: leaves opposite, usually lanceolate, acute: bracts 

 much smaller : flowers polygamo-dioecious : calyx campanulate to sub- 

 globose, strongly inflated, glabrous, finely reticulated between the incoo 

 spicuous nerves : petals narrow, 2-cleft, scarcely crowned, w bite it pink. 

 — Prim. Fl. \Yerth. 241 ; Rohrb. 1. c. 84 ; Gray's .Man. ed. 6, 8 1. S. 

 inflata, Smith, Fl. Brit. ii. 467 ; Gray's Man. ed. 5, 89 ; Warming, Bot 

 Foren. Festskr. 1890, 258. Cucubalus Behen, L. Spec. 11 1. — Fields 

 and roadsides, New Brunswick to Illinois. (Nat. from Europe.) 



S. nivea, Otth. Stem smooth or minutely pubescent above, I 

 feet in height: leaves opposite, lanceolate, attenuate-acuminate, Bmooth 

 or pulverulent-pubescent : flowers rather few, nodding, borne in the 

 forks of the branches: bracts foliar: calyx oblong in antheais, fine 

 pubescent or smooth; nerves inconspicuous, anastomosing, the teeth 

 short, triangular, obtuse: petals cuneate-obovate, bearing two shori 

 blunt appendages. — Otth in DC. Prodr. i. 377; Torr. & Gray, Fl. i. 

 190; Rohrb. 1. c. 87. S. alba, Muhl. Cat. 45 (nomen subnudum). 

 Cucubalus niveus, Nutt. Gen. i. 287. — Pennsylvania and Wash 

 ton, D. C, to S. Illinois, Iowa, and Minnesota ; rare. 



S. stellata, Ait. (Starry Cami-ion.; Stems 2-3 feet high : haves 

 in whorls of 4 (the lowest sometimes opposite), ovate-lanceolate, acu- 

 minate, 2-3 inches long, half as broad: flowers in an open panicle: 

 calyx campanulate, 4-5 lines in length; the teeth broad, acuminate 

 petals laciniately cleft, unappendaged. — Kew. ed. 2, iii. * I i Torr. Fl. 

 N. Y. i. 100, t. 1G. Cucubalus stellatus, L. Spec. 114 ; Sims, Bot 

 Ma", t. 1107. — Woodland, frequent, S. New England to Minni 

 southward to Virginia and Texas. 



*-. .«. Calyx not inflated, distended only by tin- enlarging capsule. 

 = Flowers white or rose colored. 



S. ovata, Porsh. Pubescent or smooth : stems sev« ral from the 

 same root, 2-4 feet in height ; leaves ovate t<> ovate-lanceolate, attenu- 

 ate-acuminate, 3-5 nerved from the rounded 1.;.-. * »sile, »ul nnate, 



3-5 inches lon^ : flowers borne in a narrow terminal leaflet* panicle s 



