10/4 APPENDIX. 



P. 384, after Sesuvium maritimum, add : 



la. Sesuvium sessile Pers. WESTERN SEA PURSLANE. Much-branched, 

 glabrous, similar to S. maritimum, the stems often copiously verrucose; 

 pedicels 1-3 mm. long, or none; stamens numerous; flowers and capsules 

 slightly larger than in 5\ maritimum. On beaches, shores and in saline 

 soil, W. Kans. and Colo, to Tex., Cal. and Mex. Also in S. Am. May- 

 Nov. 



P. 385, strike "Minn." from range of Talinum teretifolium and insert: 

 la. Talinum rugospermum Holzinger. ROUGH-SEEDED TALINUM. Sim- 

 ilar to T. teretifolium and confused with that species. Stamens 12-25; 

 filaments very slender, red; anthers nearly circular in outline, yellow; 

 style 3-cleft nearly one-third its length into linear stigmatic lobes; seeds 

 pale, roughened. T. teretifolium differs in having short, blunt style-lobes, 

 oblong anthers, and smooth black seeds. In dry soil, Ind. to Wis. and 

 Minn. 



P. 387, after Portulaca retiisa, insert: 



2a. Portulaca negle"cta Mackenzie and Bush. STOUT PURSLANE. Stems 

 long, thick, erect or ascending, bright reddish purple; leaves large, 

 1-5 cm. long, obovate or oblanceolate, obtuse or retuse; flowers 6-12 mm. 

 broad, pale yellow; petals deeply 2-cleft; style 3~4-parted; stamens 

 1 2-1 8; seeds blackish, tuberculate. Forming large patches, single plants 

 sometimes a meter or more across in rich soil. Mo. 



P. 395, after Alsine pubera, insert: 



5a. Alsine Tennessee"nsis (C. Mohr) Small. TENNESSEE CHICK- 

 WEED. Similar to A. pubera, the stem and branches pubescent in lines. 

 Leaves oval, oblong, or the lower subcrbicular, the upper short-petioled, 

 the lower often with petioles as long as the blades; flowers long-pedi- 

 celled; sepals lanceolate, acuminate, i cm. long, the outer ones ciliate 

 with long hairs; petals cleft to below the middle, about as long as the 

 sepals; capsule 4-5 mm. long; seeds rough. In woods and thickets, 

 W. Va., Ky., Tenn. and Ala. April-June. 



P. 400, after Arenaria serpyllifdlia, insert: 



la. Arenaria Iept6clados Guss. SLENDER THYME-LEAVED SAND- 

 WORT. Usually more slender than A. serpyllifolia, the leaves smaller, 

 ovate to lanceolate, the bracts of the inflorescence very small; flowers 

 only about half as large; capsule oblong, papery (ovoid or flask-shaped 

 and coriaceous in A. serpyllifolia}. Waste places, Me. and Vt. to Va., 

 and on the Pacific Coast. Nat. from Europe. May-Aug. 



P. 404, after Paronychia Jamesii deprdssa, insert: 



33. Paronychia diffusa A. Nelson. SPREADING WHITLOW-WORT. 

 Low, densely tufted, less than i dm. high, the branches prostrate or 

 ascending. Inflorescence rather loose, the bracts shorter than the 

 flowers or equalling them (in P. Jamesii depressa, best regarded as a 

 species, P. depressa Nutt., the inflorescence is compact and the bracts 

 longer than the flowers). Dry soil, S. D. to Neb., Kans., Wyo. and 

 Colo. June-Aug. 



P. 417, after Delphinium albescens, insert: 



4a. Delphinium Treleasei Bush. TRELEASE'S LARKSPUR. Roots fasci- 

 cled; stem erect, 6-12 dm. tall, glabrous, slightly glaucous, few-leaved; 

 basal leaves long-petioled, deeply palmatifid into linear segments 1.5-3 

 mm. wide; raceme often 3 dm. long or more, loose, the lower pedicels 

 sometimes branched; pedicels very slender, ascending, the lower 5-10 cm. 



