268 PORTULACACE.E. Leicisia. 



■t— Seeds grauulate, conspicuously strophiolate or arillate at tlie hilum. 

 L.* Tweedyi, Kobixson, n. comb. Caudex and root very thick: leaves obovate, fleshy 

 (2 to 4 inches long, including the winged petiole, and inch or two wide), rather shorter thau 

 the 1-3-flowered fructiferous scapes: fructiferous sepals orbicular, or broadly ovate, obtuse, 

 somewhat scarious and colored (5 lines long) and with tlie alternate narrower bracts of the 

 scape entire and glandless : petals apparently inch long: stamens 10 or 11 : capsule 20-30- 

 seeded, S-valved from below upward ; seeds with a large loose scalelike round-reniform 

 arillus rather than strophiole. — Cahuidrima Tweedyi, Gray, Proc. Am. Acad. xxii. 277. 

 Ortobroiiui Tweedyi, Howell, 1. c. 32. — Alpine region, on the sides of Wenatchee Mountains, 

 Yakima region, Wasliington, at 6,000-7,000 feet alt., Tweedy, Brandegee. 



-»— -»— Seeds obscurely or not at all strophiolate, mostly very smootli and shining. 

 ++ Plant rarely a span high, from an oblong-conical root : scapes 1-3-flowered, mostly with 



a pair of bracteal small leaves, not surpassing the linear or spatulate-lanceolate moderately 



fleshy radical leaves. 

 L.* Nevadensis, Kobixsox, n. comb. Sepals ample, in fruit 4 or 5 lines long, entire : petals 

 (J tu 8, white, half inch long, unequal : stamens 6 to 9 : ovules 30 to 40. — Calandrinia 

 Nevadensis, Gray, Proc. Am. Acad. viii. 623, xxii. 276; Brew. & Wats. Bot. Calif, i. 75. 

 Talinum pygm(tum, Wats. Bot. King Exp. 42, in part. Oreobroma Nevade7isis, Howell, 1. c. 

 33. — Sierra Nevada, California, from San Bernardino Co., northward, east to the Wasatch 

 Mts. in Utah, and north to Washington; first coll. by Watson. 

 L.* pygmeea, Robinson, n. comb. Smaller: scapes less stout: sepals erose-dentate at tlie 

 quasi-truncate summit, the teeth gland-tipped : petals 6 to 8, rose-red : stamens about as 

 many: ovules 1.5 to 20: otherwise as in the preceding. — Talinum pi/ynuntm, Gray, Am. 

 Jour. Sci. ser. 2, xxxiii. 407 ; Wats. 1. c, in part. Calandrinia pugnwa, Gray, Proc. Am. 

 Acad. viii. 623, xxii. 276, not Muell. C. Grayi, Britton, Bull. Torr. Club, xvii. 312. Oreo- 

 broma pygmcea, Howell, 1. c. — Alpine region of the Rocky Mountains, Montana and 

 AVyoming to Colorado (first coll. by Parry), west to the Cascade Range, northward to the 

 British boundary, and southward to the Sierra Nevada of California. 

 ++ ++ Scapes or scapiform stems a span or two high from a thick multicipital caudex on 



a long and thick root, paniculately several-many-flowered : sepals (as in the last preceding 



species) rounded or subtruncate and erose-dentate or fimbriate, much shorter than the 



obovate rose-red petals. 

 = Caulescent : a pair or two of opposite or subopposite foliar oblanceolate leaves on the 



stem not far from the base : calyx-teeth and floral bracts glandless. 

 L.* oppositifolia, Robinson, n. comb. Leaves narrowly oblanceolate, the radical and 

 lower cauline similar, 18 lines to 3 inches long, acutish : flowers few, large, long-pedicelled, 

 shortly racemose or subumbellately clustered : bracts of the inflorescence ovate-oblong, 

 somewhat scarious, subentire or erose-denticulate, but with teeth glandless. — Calandrinia 

 opj)ositifolia, Wats. Proc. Am. Acad. xx. 355; Gard. Chron. ser. 3, iv. 601, f. 83; Garden, 

 xl. 485, with fig.; Hook. f. Bot. Mag. t. 7051. Oreobroma oppositifolia, Howell, 1. c. 32. — 

 Bare moist hillsides, near Waldo, Oregon, and on the Coast Mts. of Del Norte Co., Calif., 

 Howell. 

 = = Foliar leaves essentially basal ; those of tlie stem much reduced and bractlike ; 



floral bracts and calyx with fine glandular-tipped teeth. 

 a. Leaves fleshy but flattened, obovate to spatulate, rather large, 2 or 3 inches long, usually 



half inch or more in breadth. 

 L.* Cotyledon, Robinson, n. comb. Leaves obovate-spatulate ; those of the cymosely 

 several-flowered scape very few and reduced to small oblong alternate or subopposite bracts : 

 petals about 10, large and red : stamens 7 or 8 ; their filaments dilated and more or less 

 coherent at the base: ovules 15 to 20. — Calandrinia Cotyledon, Wats. Proc. Am. Acad. xx. 

 355. Oreobroma Cotyledon, Howell, 1. c. — Siskiyou Mountains of N. California, Howell. 

 L.* Howellii, Robinson, n. comb. Leaves narrower, spatulate, with margins scarious and 

 crisped: flowers large, "red, streaked with orange": stamens nearly or quite free to the 

 base. — Calandrinia Howellii, Wats. 1. c. xxiii. 262. Oreobroma Howellii, Howell, 1. c. — 

 Moony Mountains, Josephine Co., Oregon. Perhaps only a form of the last. 



