GAL,. HEL.] 



PLANTS. 



119 



Nat. and Hist. d. Veg. Foss., 1. 1., p. 50. 

 It was used to comprehend the Sargas- 

 sites or Thalassophytes, and hence is of 

 more than generic value. 



alleghaniensis, see Arthrophycus harlani. 



auriformis, Hall, 1843. Not organic. 



bilobatus, see Rusophycus bilobatum. 



caudagalli, see Taonurus caudagalli. 



demissa, Conrad probably phytopsis tubu- 

 losa. 



dentalus, Brongniart probably Diplograp- 

 tus pristiniformis. 



filiciformis, see Rhacophyllum filiciforme. 



flexuosus, see Bythotrephis flexuosa. 



gracilis, see Bythotrephis gracilis. 



graphica. Not denned so as to be deter- 

 mined. 



harlani, see Arthrophycus harlani. 



heterophyllus, Hall. Not denned so as to 

 be determined. 



retort, see Taonurus retortus. 



rigidus, see Bythotrephis rigida. 



secalinus, Hall syn. for Diplograptus sim- 

 plex. 



serra, Brongniart, see Graptolithus bryo- 

 noides. 



simplex, see Diplograptus simplex. 



velum, see Taonurus velum. 



verticalis, see Scolithus verticalis. 

 Galium sphenvphylloides, see Annularia 



sphenophylloides. 



GLYPTODENDEON, Claypole, 1878, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 15, p. 302. 

 [Ety. glyptos sculptured ; dendron, tree.] 

 Stem thick, covered with rhomboidal 

 areoles, the lower portions of which are 

 depressed. Type G. eatonense. 



FIG. 37. Glyptodendron eatonense. 



eatonense, Claypole, 1878, Am. Jour. Sci. 

 and Arts, 3d. ser., vol. 15, p. 302, Niag- 

 ara Gr. 

 Goniopteris newberryana, see Pecopteris new- 



berryana. 



oblonga, see Pecopteris oblonga. 

 Gordia marina, see Palseochorda marina. 

 GULIELMITES, Geinitz, 1858, Leithpflanzen d. 

 Rothleig. u. d. Zechstein, Sachsen, p. 

 19. [Ety. from the genus Gulielma.] A 

 kind of fruit, of uncertain affinity, 

 orbicularis, Fontaine & White, 1880, 

 Perm, and Up. Carb. Flora, p. 99, Coal 

 Meas. or Permian. 



permianus, Geinitz, 1858, Leithpflanzen 

 d. Rothleig. u. d. Zechstein, Sachsen, p. 

 ]9, Permian. 



HALONIA, Lindley & Button, 1835, Foss. 

 Flora, vol. 2, p. 11. [Ety. from its close 

 affinity with Halaaia."] Stems of me- 

 dium size, dichotomous; cortex tuber- 

 culate ; spaces intermediate to the tu- 

 bercles marked with rhomboidal scars ; 

 decorticated surface, covered with punc- 

 tiform round or oval papillae, obtuse or 

 perforated in the center, placed in 

 spiral order. Type H. tortuosa. 



flexuosa, Goldenberg, 1855, (TTlodendron 

 flexuosum,) Flora Sarrsepontana fossilis, 

 vol. 1, pi. 2, fig. 10, and Coal Flora of 

 Pa., p. 416, Coal Meas. 



mansfieldi, 

 Lesquereux, 

 1880, Coal 

 Flora of Pa., 



& 414, Coal 

 eas. 

 pulchella, Les- 



q u e r e u x, 



1860, Geo. 



Sur. Ark., 



vol. 2, p. 311, 



Coal Meas. 

 secreta, Les- 



q u e r e u x, 



1880, Coal 



Flora of Pa., 



6417, Coal 

 eas. 



tortuosa, Lind- 

 ley & Hut- FIG. 38. Halonia flexuosa. 

 ton, 1835, Foss. Flora, vol. 2, p. 11, Coal 

 Meas. 



tuberculata, Brongniart, 1838, Hist. d. 

 Veg. Foss., vol. 2. pi. 28, and Coal Flora 

 of Pa., p. 411, Coal Meas. 

 Harlania, syn. for Arthrophycus. 

 halli, syn. for Arthrophycus harlani. 



FIG 39. Heliophycus stelliforme. 



HELIOPHYCUS, Miller & Dyer, 1878, Cont. to 

 Pal. No. 2, p. 2. [Ety. helios, the sun ; 



