Plante Lindheimeriane. : 223 
flexed. The specimens collected in shady places. are less 
rough ; the tube of the calyx is either hispid or nearly glabrous. 
117. Vaccinium arsoreum, Marsh. Woods. April. 
118. AscnEPIAS PAUPERCULA, Miche. Swamps near the 
coast. Stem 4—6 feet high. Root tuberous. June. 
119. SgurERA maritima, Reichenb., Decaisne. (Lyonia, 
Ell.) Wet, saline prairies, Galveston, &c. May. 
120. SapBaTIA campestris, Nutt. Contrib.- Fl. Arkans. 
&c. Flowers April to May, and again in August and Sep- 
tember ; in dry prairies. 
91. S. canvcosa, Pursh: a variety with rather longer 
calyx lobes than usual. Shady margins of streams near Hous- 
ton. May, June. 
122. Gitta comoworrronra, Pers.; Benth. in DC. Prodr. 
VII. p. 313. Dry prairies and open woods. June, July. 
123. Cuscura NEvRoPETALA, Engel. in Sill. Jour. XLV. 
P-.75. minor. A smaller, earlier flowering form, growing 
in drier places, mostly on Petalostemon multiflorum, but also 
on Liatris, and even on Euphorbia corollata. It approaches 
C. hispidula so. much that, not improbably, further investi- 
gation of living plants may prove both to be only varieties of 
à single species, for which the name of C. porphyrostigma 
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 : : f ; 
124. Ç, NEUROPETALA, Engel. y LrrroRALIs: cymis pani- 
culatis ; floribus majoribus pedunculatis; tubo corolle late 
campanulato calycis segmenta late ovata acutiuscula subcari- 
nata et lacinias limbi enervias ovatas abrupte acuminatas. 
crenulatas patentes subequante ; squamis tubum su quant : 
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 it te — 
campanulate flow ing in spring; by the hardly cari- 
nate, broader, wilds came aasi ef lobes of the 
