PURSLANE FAMILY 121 



1. Talinum spinescens Torr. Spiny Talinum. Fig. 1612. 



Talinum spinescens Torr. Bot. Wilkes Exp. 250. 1874. 

 Claytonia spinescens Kuntze, Rev. Gen. PI. 57. 1891. 



Perennial herbs 12-30 cm. high, with a branched woody caudex covered with the persistent 

 spine-like midribs of leaves. Leaves green, fleshy, linear, obtuse at the apex, 1.5-2.5 cm. long, 

 crowded on the short caudex ; inflorescence 10-25 cm. long, of elongated bracteate 6-12- 

 flowered cymes ; petals 7 mm. long, magenta ; sepals orbicular, 2-4 mm. long ; stamens 20-30, 

 capsule ovoid-globose, 4-5 mm. long ; seeds many, black, not shining. 



Rocky places, Arid Transition Zone; central Washington from Okanogan County south to the Oregon border. 

 Type locality: upper Columbia River, Okanogan County, Washington. June-Aug. 



2. Talinum okanoganense English. Okanogan Talinum. Fig. 1613. 



Talinum okanoganense English, Proc. Biol. Soc. Wash. 47: 191. 1934. 

 Talinum Wayae Eastw. Leaflets West. Bot. 1: 139. 1934. 



Perennial from thickened root with spreading cespitose branches 2-5 cm. long. Leaves gray- 

 green, terete, 4-12 mm. long; inflorescence 2.5-3.5 cm. long, of 2-9-flowered bracteate corymbs; 

 petals white, tinged with yellow or pink, 7-8 mm. long ; sepals ovate, mucronate, 4 mm. long ; 

 stamens about 20 ; capsule ovoid, 2-3 mm. long ; seeds many, black, shining. 



In rocks, Canadian and Hudsonian Zones; mountains of southern British Columbia south to Okanogan 

 County, Washington. Type locality: eastern Okanogan County, Washington. May-Aug. 



2. CALANDRINIA H.B.K. Nov. Gen. & Sp. 6: 77. pi. 526. 1823. 



Annual or perennial herbs with alternate leaves and ephemeral flowers in bracted 

 racemes or panicles. Sepals 2, persistent. Petals 3-7, usually 5, rose-red or white. Sta- 

 mens 3-14, shorter than the petals, not equaling them in number. Style short, stigmas 

 3-lobed or -divided. Capsule membranous or chartaceous, 3-valved, splitting from the 

 apex. Seeds somewhat flattened, many, dark, usually with minute markings, stropiiiolate 

 or naked. [Name in honor of J. L. Calandrini, a Swiss botanist of the 18th century.] 



About 150 species; natives of western North and South America and of Australia. Type species, Calandrinia 

 caulescens H.B.K. 



Inflorescence not a loose naked cyme, flowering branches leafy; seeds shining. 

 Herbage green; flowers in racemes, petals rose-red. 



Capsule enveloped by the fruiting calyx. 1. C. ciliata Menziesii. 



Capsule nearly twice the length of the fruiting calyx. 2. C. Breweri. 



Herbage glaucous; flowers in clustered panicles, petals white. 3. C. ambigua. 



Inflorescence a loose naked cyme, flowering branches scape-like; seeds dull. 4. C. maritima. 



1. Calandrinia ciliata var. Menziesii (Hook.) J. F. Macbride. Calandrinia, 



Red Maids. Fig. 1614. 



Talinum Menziesii Hook. Fl. Bor. Amer. 1: 223. 1834. 



Calandrinia elegans Spach, Hist. Veg. 5: 232. 1836. 



Calandrinia caulescens var. Menziesii A. Gray, Proc. Amer. Acad. 22: 277. 1887. 



Calandrinia ciliata var. Menziesii J. F. Macbride, Field Mus. Bot. Ser. 11: 20. 1931. 



Annual, 0.5-2 dm. high with many ascending branches, herbage nearly glabrous to coarsely 

 ciliate. Leaves linear-oblong or oblanceolate ; inflorescence racemose, the pedicels 4-10 mm. 

 long ; sepals 4-6 mm. long, keeled, often ciliate on midrib and margins ; petals 5 rose-red, 4-8 

 mm. long; stamens 7-14; style 3-parted; capsule 4-5 mm. long; seeds many, black, shining, 

 minutely tuberculate. 



In open places, very common on cultivated ground, Upper Sonoran and Transition Zones; British Columbia 

 to Lower California and east to Arizona and Sonora, Mexico. Type locality: south of the Columbia River. 

 Feb.-May. A variable species as to size of flowers and habit of growth. Several segregates have been proposed 

 by Rydberg [N. Amer. Fl. 21: 292-293. 1932.]. 



2. Calandrinia Breweri S. Wats. Brewer's Calandrinia. Fig. 1615. 



Calandrinia Menziesii var. macrocarpa A. Gray, Proc. Calif. Acad. 3: 102. 1864. 

 Calandrinia Breweri S. Wats. Proc. Amer. Acad. 11: 124. 1876. 



Glabrous annuals with lax branches 1-4 dm. long, ascending or trailing. Leaves ovate- 

 lanceolate or spatulate, 1-3 cm. long, the upper sometimes coarsely ciliate ; inflorescence race- 

 mose, few-flowered ; pedicels 7-10 mm. long, typically reflexed in fruit ; sepals angled glabrous 

 or occasionally coarsely ciliate on the margins and midrib, 5-8 mm. long, ovate, acute ; petals 

 rose-red, 4-5 mm. long; stamens 5-7; style short, stigma 3-lobed; capsule 9—1 1 mm. long; seeds 

 many, strophiolate, black, shining, minutely tuberculate. 



Hill slopes, Upper Sonoran Zone; central California south to northern Lower California. A widely dis- 

 tributed species but not common. Type locality: Santa Ynez Mountains, Santa Barbara County, California. 

 April-June. 



3. Calandrinia ambigua (S. Wats.) Howell. Desert Calandrinia. Fig. 1616. 



Claytonia ambigua S. Wats. Proc. Amer. Acad. 17: 365. 1882. 

 Calandrinia sesuvioides A. Gray, Proc. Amer. Acad. 22: 278. 1S87. 

 Calandrinia ambigua Howell, Erythea 1 : 34. 1893. 



Glaucous, succulent annuals, depressed and spreading, with several branches. Leaves linear- 

 spatulate, 1-3.5 cm. long, mostly scattered along the stems; flowers in lateral or terminal com- 



