ADDITIONS, 



Page. 4. Blitum * maritimum. Calix membranaceous; clusters 

 axillary, spiked, naked; leaves lanceolate, at either extre- 

 mity attenuated, incisely toothed. Has. In the salt- 

 marshes of Long Island, near New York. Obs. Annual; 

 stem erect, 2 or 3 feet high and much branched; leaves 

 thick and succulent, somewhat dilated near the commence- 

 ment of the petiole; clusters proximate, axillary, not co- 

 mose; calix S-pai ted, not succulent or berry -like, greenish; 

 seed lenticular, vertical, brown and nearly smooth, termi- 

 nated by a single minute style. 



p. 9. LiNDERNiA. add 3. * monticoJa. Stem slender and di- 

 chotomous; radical leaves spathulate, cauline linear, small 

 and remote; peduncles very long, at length deflected; root 

 perennial. 11 a b. Near Salem, North Carolina. — Mr. Le 

 Conte. V. s. In Herb. Collins and Muhlenberg. 



p. 16. Hkdeoma. add 4. * bracteolaia. Pubescent; stem sim- 

 pie, slender; leaves linear sublanceolate, acute at each ex- 

 tremity, entire; pedicells setaceously bracteolate, 3 to 5- 

 flowered; calix olilong, equal; corolla minute? Hab. In 

 Carolina.— In common with H glabra, allied to ^cynos. 



\fter No. 28. add—* CRYPTA. Calijc S-leaved, in- 

 ferior. Corolla of 2 or 3 petals, closed. Styles none^ 

 stigmas 2 or 5, very niinute. CaJisuU 2 or 3-ce]Ied» 

 2 or 3-valved; cells 4 or 5-seeded. Seeds subcy- 

 lindric, striated. 



C. vumma. Journal Acad. Pbilad. 1. p. 11/. t. 6. f. 1. 

 PepHs americcna, Ph. 1. p. 238, and Herb. Muhl. 



). o7. Kriophorvm, * teneViim. Culm slender and triangular, 

 leat'v; spikes pedunculate, nutant, scarcely longer than the 

 iiivolucrum; seed linear. Has. In the sphagnous swamps 

 of New Jersey; r.tre. Probably E. polyslachyum. Ph. but a 

 mucli smaller and very distinct species. — Culm 12 to 18 

 inches; leaves carinated, very narrow, pungently acute^ 

 and scabrous on the margin; spikes 4 or 5; wool white, 

 long and silky. 



►, 62. Uralepsis arisiuUita. Since the printing of this genus, 

 I have met with this species in considerable abundance, 

 growing in the sands of New Jersey, in various places near 

 tiie sea coast, and also in the sandy barren lands, about 30 

 jniles east of Phdadelphia. It is the plant described for 

 Aira purpurea in Muhlenberg's Grasses, p. 86. but per- 

 .fectlv distinct from thiit of" Walter and Elliott. Obs 



