266 PORTULACACE^. Talinum. 



orange " : calyx promptly deciduous from the capsule : seeds lineate-costate in the way of T. 



lineare. — Bot. Gaz. vi. 183. — Rocky table-land of Finos Altos Mountains, New Mexico, 



Greene. 



-t— -)— Scapiform slender 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 three 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 with short subulate 

 spines, which are the indurated persistent midribs of the older (half inch long) very obtuse 

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

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

 dull and coarsely rugulose. — Bot. Wilkes Exped. 250. — Flains 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 the forkiugs : petals 5, quarter 

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

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

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

 t. 3 ; Torr. & Gray, Fl. i. 1 96 ; Bot. Reg. xxix. t. 1 ; Gray, Gen. 111. i. 226, t. 98 ; Meehan, 

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

 of serpentine, W. North Carolina''^ and Tennessee to E. Texas, north to Pennsylvania 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. napiforme, 

 DC, & T. Mexicanum, Hemsl.) 

 T. parviflorum, 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. confertijiorum, 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. (Mex., Pringle.) 



4. LEWlSIA, 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 fleshy find 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. 368 ; Nutt. Gen. ii. 13, & Jour. Acad. Philad. vii. 24, t. 2; Hook. 



1 A1.S0 at Stump Lake, Brit. Columbia, McEvoy. 



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. parviflorum.) 



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

 Exp. {T. teretifulium, Torr. in Marcj', Red. Riv. Rep. 281), and on "hills of the Blancos," Texas, 

 Wright. 



* Northward to Pipestone Cit}', Minn., Sheldon. 



