NATURAL SCIENCES OF PHILADELPHIA. 44o 



We have, however, specimens so directly intermediate between S. notata, 

 Br., and S. elliptica, Br., that we think the two species must be united. If 

 not, S. notata, Br., will require a new name, and we would suggest S. 

 Brongniartii, 



2 spec. "Phytolithus notatus." Yorkshire. J. P. Wetherill. Probably 

 part of Steiohauer's collection, and labelled in the same hand writing as his 

 other types, as well as presented by the same individual. 



1 spec. " S. reniformis? " T. B. Wilson, M. D. 



S. orbicularis, Brong. 



1 spec. " S. orbicularis." Br. Ins. Coll. No. 242. 



? 1 spec. Br. Ins. Coll. No. 243. 



This specimen has the scars very much closer than in any figure we have 

 ever seen ; but we scarcely doubt its belonging to this species. 



S. transversalis, Brong. 



1 spec. "S. transversalis." Br. Ins. Coll. No. 205. 



S. p a c h y d e r m a , Brong. (Decorticated.) 



1 spec. "S. pachyderma." Radstock. Br. Ins. Coll. No. 214. 



S. re ni f o rmi s , Brong. (Decorticated.) 



6 spec. "S. reniformis." Br. Ins. Coll. Nos. 220, 222, 223. 



S. nodosa, nobis. 



Favularia nodosa, L. et H. 



1 spec. "Favularia nodosa." Br. Ins. Coll. No. 253. 



S. tesselata, Brong. 



1 spec. "Phytolithus tesselatus." Shelf, near Bradford. (Steinhauer's 

 type.) J. P. Wetherill. 



S. Knorii. 



2 spec. England. R. E. Griffith. 



1 spec. "S. elegans." Br. Ins. Coll. No. 241. 

 1 spec. Aberyschan. R. C. Taylor. 



Sub-genus Ditaxis, Wood. 

 S. alter nans, L. et H. 



1 spec. " S. allied to alternans." Br. Ins. Coll. 218, 



Ulodendrox, Rhode. 

 U. parmatum, nobis. 



Phytolithus parmatum, Steinhauer. 



Lepidostkobus, Brong. 



L, variabilis, L. et H. 



2 spec. England. R. E. Griffith. 



Description of Several New Species of Plants. 

 BY S. B. BUCKLEY. 



Trillium Texan um. Leaves ovate-oblong, obtuse, sessile, smooth, or 

 subpubescent, longer than the peduncle. Petals white, ovate-lanceolate 

 acute, nearly equal or shorter than the sepals. Sepals oblong-ovate, obtuse. 

 Plant 6-9 inches high, leaves li-2 inches long, 5 lines wide. Peduncle 6 lines 

 long. Sepals 6 lines long, and 2 lines wide. Such is the size of a medium 

 specimen. Flowers in March. 



Banks of streams and low grounds. Panola County, Texas. 



iEsculus arguta. Fruit covered with prickles. Stamens erect, or slightly 

 I860.] 



