266 PORTULACACE.E. Talinum. 



orauge " : calyx promptly deciduous from the capsule : seeds liueatecostate in the way of T. 



lineare. — Bot. Gaz. vi. 183. — Rocky table-laud of I'iuos Altos Mountaius, New Mexico, 



Greene. 



-J— -)— Scapiform sleuder peduncle much surpassing the leaves : styles united to the top ; 

 stigmas short and broad : valves of the capsule in dehiscence tending to separate from 

 and leave behind tliree setaceous sutures in the way of Capparidacece ; fl. summer. — 

 Phemeranthus, Raf. Speech, i. 86. 



++ Stamens 20 to 30 : petals rose-color : capsule ovoid-globose. 

 T. spinescens, Torr. Fleshy caudex short and multicipital, beset witli short subulate 

 spines, which are the indurated persistent midribs of the older (iialf incli lung) very obtuse 

 leaves ; these all densely clustered : scape a span or two high, inclusive of tiie very spreading 

 several times forking cyme : petals deep rose-red, 3 or 4 lines long : seeds large (aline wide), 

 dull and coarsely rugulose. — Bot. Wilkes Exped. 250. — I'lains and rocks, State of Wash- 

 ington, ^ Pickering & Brackenridge, Brandegee, Suksdorf, Nevius. 



T. teretifolium, Pursh. Leafy stems short and rather thick, branching, ascending from 

 fleshy rootstock: leaves an inch or two long, cylindrical, a line or more thick: scapiform 

 peduncles a span or two high : cyme minutely bracteate at tiie forkings : petals 5, quarter 

 inch long: stamens 15 to 20, ecjualling the short straight style : sepals promptly deciduous 

 from the capsule (2 or 3 lines long) ; seeds nearly smootli and with a very thin gray pellicle, 

 only half a line wide. — Fl. ii. 365 ; Lodd. Bot. Cab. t. 819 ; Darliugt. Fl. Cest. ed. 1, 56, 

 t. 3 ; Torr. & Gray, Fl. i. 196 ; Bot. Reg. xxix. t. 1 ; Gray, Gen. 111. i. 226, t. 98 ; Meehan, 

 Native Flowers, ser. 1, ii. 53, t. 14. Phemeranthus teretijblius, Raf. 1. c. — Rocks, especially 

 of serpentine, W. North Carolina 2 and Tennessee to E. Texas, north to Tennsylvania and 

 Minnesota. 



T. calycinum, Engelm. Rootstock thicker : bracts of cyme more conspicuous : flowers and 

 capsule one half larger : petals commonly 8 or 10: stamens 30 or more: sepals tardily de- 

 ciduous from the fruit: style exserted, declinate. — Engelm. in Wisliz. Tour in Northern 

 Mex., 88, & in Gray, PI. Fendl. 14, PI. Lindh. pt. 2, 154. — Sandy soil. Upper Arkansas 

 and Cimarron Rivers,^ Wislizenus, Woodhouse. 



++ ++ Stamens 5 : petals pale rose or whitish : capsule mostly oval. (Here T. napi forme, 

 DC, & T. Mexicanum, Hemsl.) 

 T. parvifloruna, Nutt. Short-stemmed or subcaulescent from thick and more or less 

 fleshy branching roots : leaves and inflorescence of the preceding, but small or more slender, 

 and pedicels shorter : sepals and petals hardly over a line long, the latter tardily deciduous : 

 seeds of T. teretifolium but smaller. — Nutt. in Torr. & Gray, Fl. i. 197 ; Engelm. in Gray, 

 PI. Lindh. pt. 2, 154; Gray, PI. Fendl. 14, & PI. Wright, ii. 20. T. confertifJorum, Greene, 

 Bull. Torr. Club, viii. 121, a form with smaller and denser cymes. — Rocks and plains, W. 

 Arkansas* and Texas to Colorado and Arizona; first coll. by Nuttall. (Max., Pr ingle.) 



4. LEWtSIA, Pursh. Bitter-root. (Capt. Meriwether Lewis, leader of 

 the first U. S. expedition across the continent, first to make the principal species 

 known.) — Perennial acaulescent or nearly acaulescent herbs, with a thick and 

 perpendicular fleshj^ and farinaceous caudex and root, the crown bearing in spring 

 a rosulate cluster of fleshy leaves and either short 1 -flowered scapes or scapose- 

 stalked panicles : flowers conspicuous and handsome, white to roseate or deep 

 red. — Fl. ii. 3G8 ; Nutt. Gen. ii. 13, & Jour. Acad. Philad. vii. 24, t. 2; Hook. 



1 Also at Stump Lake, Brit. Cdlumbia, ^fcEvoy. 



2 Southward to Central Georgia. Small, westward to the mountains of Colorado, ace. to Coulter. 

 (Rocky Mountain specimens so labelled, and seen by the editor, appear to be T. pnrrijlorum.) 



3 Also in Greene Co., Missouri, Blnnkinship, in Arkansas, on Middle Fork of Red River, Marcy 

 Exp. (T. teretifolium, Torr. in Marcy, Red. Riv. Rep. 281), and on "hills of the Blancos," Texas, 

 Wright. 



* Northward to Pipestone City, Minn., Sheldon. 



