148 



PLANTS. 



[TRI. WHI. 



woodruffi, Moss, 1852, Proc. Acad. Nat. 



Sci., vol. 5, Coal Meas. 

 TRIPHYLLOPTERIS, Schimper, 1874, Traitfe de 

 Palfeontologie Vegetale, vol. 2, p. 40. 

 [Ety. tria, three ; phyllon, a leaf ; pteris, 

 & fern.] Lower pinnules subopposite, 

 tripartite or trifoliate, upper ones sim- 

 ple, all narrowed or contracted to a 

 flat, slightly decurring pedicel ; veins 

 all equal, simple or dichotomous, di- 

 verging fan-like. Type T. lescuriana. 

 cheathami, Les- 

 quereux, 1884, 

 13th Rep. Geo. 

 Sur. Ind., p. 70, 

 Coal Meas. 

 lescuriana, Meek, 

 1875, (Cyclop- 

 teris lescuri- 

 ana,) Bull. Phil. 



, p. 

 Coal 



FIG. 84.-Tri 



l.-Triphyllopteris 

 cheathami. 



Soc. Wash. 

 16, and 

 Flora of Pa., p. 

 297, Coal Meas. 

 Trochophyllum, 

 Wood, 1860, 

 Proc. Acad. 

 Nat. Sci. This 

 name was pro- 

 posed as a sub- 

 stitute for An- 

 nw/ana,Sternb., 

 because the latter was preoccupied as a 

 generic name in the subkingdom Mol- 

 lusca ; but Trochophyllum was preoc- i 

 cupied for a genus of fossil corals by ' 

 t- Edwards & Haine, in 1851. 



clavatum, see Annularia clavata. 

 I lineare, see Plumalina linearis. 

 UIX>DENDRON, Rhode, 1823, Beitrage z. Pflanz. 

 d. Vorwelt. [Ety. ule, wood ; dendron, 

 tree.] Arborescent; rarely branching; 

 bearing in two opposite rows round or 

 oval scars, im- 

 pressions of the 

 base of strob- 

 iles, marked 

 with concen- 

 trical scales and 

 a central mam- 

 milla ; leaves 

 short lanceo- 

 late, leaf scars 

 disposed in spi- 

 ral, small, rhom- 

 boidal or sub- 

 rhom boidal; 

 fructifications 

 in long, cylin- 

 drical strobiles. 

 Type U. majus. 

 commutatum, 

 Schimper, 1874, 

 Pal. Veg., vol. 

 2, p. 40, Coal 

 Meas. 



ellipticum, Sternberg, 1838, Vers. Darst. 

 Flora der Vorwelt, vol. 2, p. 186, and 

 Coal Flora of Pa., p. 405, Coal Meas. 



FIG. 85. Ulodendron 

 elongatum. 



elongatum, Lesquereux, 1870, Geo. Sur. 



111., vol. 4, p. 437, Coal 



Meas. 

 flexuosum, see Halonia 



flexuosa. 

 lindleyanum, Presl, 1833, 



in Sternberg, Vers. 



Darst. Flora der Vor- 

 welt, p. 185, Coal Meas. 

 majum, Rhode, 1823, 



Beitr. z. Pflanz. d. 



Vorw., pi. 3, fig. 1, and 



Coal Flora of Pa., p. 



401, Coal Meas. 

 minus, Lindley & Hut- 

 ton, 1831, Foss. Flora, 



vol. 1, p. 6, Coal Meas. 

 punctatuin, Lindley & 



Button, 1833, (Bothro- 



dendron punctatum,) 



Foss. Flora, vol. 2, p. 



80, and Coal Flora of FIG. 86.-Volk- 



Pa., p. 405, Coal Meas. maunia fertili8 ' 

 VOLKMANNIA, Sternberg, 1823, Tent. Flor. 

 Primord.,p.30. 

 [Ety. proper 

 name.] Stems 

 striated, artic- 

 ulated, and the 

 i n fl o r escence 

 spiked. Close- 

 ly related to 

 Asterophylli- 

 tes. Type V. 

 polystachya. 

 crassa, Lesque- 

 reux, 1884, 

 Coal Flora of 

 Pa., p. 719, Coal 

 Meas. 



FIG. 87.-Walchia pinnf- 

 formis. 



fertilis, Lesquereux, 1884, Coal Flora of 

 Pa., p. 720, Coal Meas. 



FIG. 88. Whittleseya elegans. 

 praelonga, Lesquereux, 1880, (Calamos- 

 tachys prselongus,) Coal Flora of Pa., 

 p. 59, Coal Meas. 



