WEST VIRGINIA GEOLOGICAL SURVEY 



491 



SPHENOPTERIS 

 acrocarpa, 401, 448 

 auriculata, 400, 448 

 breviloba, 400, 447 

 Broadheadi, 400, 438 

 canneltonensis, 401, 438 

 chaerophylloides, 400, 443 

 communis, 401, 433 

 Crepini, 402, 438 

 Crossotheca, 397, 402, 438, 



443, 445 



Cymoglossa, 447 

 delicatula, 399, 437 

 dentata, 400, 447 

 dicksonoides, 399, 431 

 distans, 398, 430 

 divaricata, 398, 431 

 dubuissonis, 399, 437 

 elegans, 397, 437 

 flexicaulis, 399, 433 

 foliosa, 400, 448 

 Formosa, 400, 447 

 furcata, 397, 435, 437 

 geniculata, 398, 437 

 Goepperti, 398, 431 

 hastata, 401, 448 

 Hildrethi, 398, 437 

 Hoeninghausi, 398, 430, 



431 

 hymenophylloides, 399, 437 



karwinensis, 399, 437 

 Larischii, 399, 433 

 Lescuriana, 400, 448 

 linearis, 398, 435 

 Linkii, 399, 437 

 lobata, 400, 447 

 microcarpa, 400, 432, 433, 



437 



minutisecta, 400, 445, 447 

 mixta, 401, 438 

 obtusifolia, 447 

 obtusiloba, 400 

 ophioglossoides, 397, 402, 



438, 443, 445 

 pachynervis, 401 

 patentissima, 397, 431 

 pinnatifida, 399, 443 

 rarinervis, 398, 430 

 Renaultia, 400, 432, 437 

 Royi, 397, 433 

 sagittatus, 402, 443 

 schatzlarensis, 400, 437 

 spinosa, 397, 437 

 sp.?, 401, 430, 448 

 stipulata, 401, 443 

 subgeniculata, 398, 430 

 tenella, 399, 437 

 tracyana, 399, 437 

 trichomanoides, 398, 437 

 zeilleria, 399, 437 



TAENIOPTERIS 

 Lescuriana, 410, 451 

 Newberriana, 410, 451 

 Newberriana var. angusta, 

 410, 451 



TRIGONOCARPUM 



ampullaeforme, 427, 442 

 clavatum, 427 

 Noeggerathii, 428, 442 

 oliviaeforme, 427, 435 

 triloculare, 427, 435 



TRILETES 

 sp.?, 425, 436 



TRIPHYLLOPTERIS 

 Lescuriana, 393, 429 

 virginiana, 393, 429 



U 



ULMUS 



racemosa, 429, 453 

 ULODENDRON 



majus, 423, 441 

 sp.?, 423, 433 



W 



WHITTLESEYA 

 elegans, 426, 435 



