22 DESCRIPTIVE CATALOGUE OF THE 



II. Sub-familia LEPTOGRAPTINJE. V. Lendenfeld. 

 LEPTOGRAPTIDJE. Lapworth. 



Hydrosome bilateral, with irregular branches. Cells apart, just touching. 

 Sicula persistent in the axilar. The broad part forming the proximal end of 

 the hydrosome. 



III. Sub-familia DICHOGRAPTINJE. V. Lendenfeld. 

 DICHOGRAPTIDJE. Lapworth. 



Bilateral. Branches of regular cells, very dense, rectangular. Sicula 

 persistent, its point at the proximal end of the hydrosome. 



14. Genus Didymograpsus. McCoy. 



Only two simple branches, without funiculus. Sicula axilar, with the point 

 turned upwards. 



43. Didymograpsus fruticosus. Hall. (94) 463, (104) 13. 

 Bendigo, a.o.p. Victoria. 



44. Didymograpsus quadribrachiatus. Hall. (94) 468, (104) 1."). 

 Victoria. 



45. Didymograpsus Bryonoicles. Hall. (94) 469, (104) 16. 

 Victoria. 



46. Didymograpsus octabrachiatus. Hall. (94) 469, (104) 17. 

 Victoria. 



47. Didymograpsus logani. Hall. Var. Australis. McCoy. (94) 469, 



(104) 18. 

 Castlemaine, Kangaroo Creek, a.o.pl. Victoria. 



48. Didymograpsus extensus. Hall. (94) 469, (10-3) 29. 

 Bendigo, Victoria. 



49. Didymograpsus caducens. Salter. (94) 469, (105) 30. 

 Castlemaine, a.o.p. Victoria. 



50. Didymograpsus gracilis. Hall. (94) 469, (105) 35. 

 Bulla, Victoria. 



51. Didymograpsus tlmreani. McCoy. (94) 469, (105) 39. 

 Sandhurst, Victoria. 



52. Didymograpsus headi. McCoy. (94) 469 (105) 40. 

 Victoria. 



15. Genus CLADOGRAPSUS. McCoy. 



Stem simple below, with two rows of cells and mid-rib as in Diplograpsus ; 

 dividing above into branches with one row of cells only ; cells excavated in 

 the margin as in Climacograptus ; without distinct tubes. 



53. Cladograpsus ramosus. Hall. (94) 469, (105) 33. 

 Bulla, Victoria. 



54. Cladograpsus furcatus. Hall. (94) 470, (105) 37. 

 Bendigo, Victoria. 



