Plant ce Lindheimeriance. 223 



flexed. The specimens collected in shady places are less 

 rough ; the tube of the calyx is either hispid or nearly glabrous. 



117. Vaccinium arboreum, Marsh. Woods. April. 



118. Asclepias paupercula, Michx. Swamps near the 

 coast. Stem 4-6 feet high. Root tuberous. June. 



119. Seutera maritima, Reichenb., Decaisne. (Lyonia, 

 Ell.) Wet, saline prairies, Galveston, &c. May. 



120. Sabbatia campestris, Nutt. Contrib. Fl. Arkans. 

 &/-c. Flowers April to May, and again in August and Sep- 

 tember ; in dry prairies. 



121. S. calycosa, Pursh : a variety with rather longer 

 calyx lobes than usual. Shady margins of streams near Hous- 

 ton. May, June. 



122. Gilia coronopifoli a, Pers. ; Benth.in DC. Prodr. 

 VIII. p. 313. Dry prairies and open woods. June, July. 



123. Cuscuta neuropetala, Etigel. in Sill. Jour. XLV. 

 p. 75. (3 minor. A smaller, earlier flowering form, growing 

 in drier places, mostly on Petalostemon multiflorum, but also 

 on Liatris, and even on Euphorbia corolla ta. It approaches 

 C. hispidula so much that, not improbably, further investi- 

 gation of living plants may prove both to be only varieties of 

 a single species, for which the name of C. porphyro stigma 

 would be most appropriate, as all the forms that would belong 

 to it, are distinguished from every other known North Amer- 

 ican species by the purplish-brown stigmas. Another remark- 

 able variety is : 



124. C. neuropetala, Engel. y littoralis : cymis pani- 

 culatis ; floribus majoribus pedunculatis ; tubo corollae late 

 campanulato calycis segmenta late ovata acutiuscula subcari- 

 nata et lacinias limbi enervias ovatas abrupte acuminatas 

 crenulatas patentes subasquante ; squamis tubum suboequanti- 

 bus. — Seashore of Galveston Island, on Lycium Carolinianum, 

 Borrichia frutescens, Iva frutescens, &c. Flowers in May. Dif- 

 ferent from the inland form by the much larger, more openly 

 campanulate flowers, expanding in spring ; by the hardly cari- 

 nate, broader, and not so acute sepals, and the broad lobes of the 



