APPENDIX 629 



No endodermis can be seen in O. viilgatum or O. Moliiccamwi, but 

 in some other species, e.g., O. Bergianum, there is, according to Poirault 

 (3), both an inner and an outer endodermis in the older part of the 



rhizome. 



For details of the stem-structure see Campbell (33). 



P. 250. In 0. Moluccanum (see Campbell (33) ) the sporangio- 

 phore arises very early in the development of the sporophyll, and 

 there is virtually a dichotomy of the young sporophyll resulting in 

 the sporangiophore and the sterile lamina. Bruchmann (6) found 

 much the same state of affairs in Botrychium Lunaria. 



P. 252. In all species of Eiiophioglossiim there is given off from 

 the vascular system of the rhizome a single leaf-trace, which divides 

 at the base of the petiole into two strands, each of which may divide, 

 or only one of them. In the larger species there are further divisions 

 so that a section of the petiole shows a ring of several bundles. In 

 some species there are large air-spaces in the petiole, while in others 

 these are absent. (For details see Campbell {^^).) 



In O. pendulum the leaf-trace is composed of a number of strands 

 where it joins the vascular cylinder of the rhizome. 



P. 254. For Goebel (17), read (9). 



P. 254. In large roots of O. pendulum there may be three or four, 

 or even five, xylem masses, arranged radially. 



P. 257. The tapetum is derived, not from the archesporium, but 

 entirely from the inner cells of the wall of the sporangium (Burlingame 

 (i) ). Bower, in a later study of the spore-formation, found that 

 all of the sporogenous cells developed spores. 



P. 258. Specimens of O. pendulum collected by the writer in 

 Ceylon and Java, were much larger than the Hawaiian plants, some- 

 times upward of 1.5 meters in length. These usually had the lamina, 

 and sometimes the spike, dichotomously branched. 



P. 270. For Goebel (22), read (21). 



P. 272. It is probable that all of the sporogenous cells undergo the 

 normal tetrad-division in all the Ophioglossaceae. (See Bower (22), 



P-457-) 



CHAPTER VIII 



P. 273. A sixth genus, Macroglossiun, has been recently described. 

 (Copeland (i).) 



P. 274. The writer has also investigated the gametophytes of 

 several species of Dajiced, Kaulfussia, and Macroglossum. (Campbell 

 (33, 36).) 



