4 COPELAND. 



2. Ophioglossum gramineum Willd. 



Common stipe rising well above the ground; sterile lamina 10 to L5 

 mm long; 1 to 2 mm broad, fertile segment arising from base of sterile, 

 the spike up to i) mm long, with t to !> sporangia on a side; whole plant 

 Dot oyer 4.5 cm high. 



hidia, New Guinea, western Africa. 



3. Ophioglossum japonicum I'rantl. 



Rhizome cylindrical ; common stipe hardly reaching above the ground ; 

 sterile lamina about 1.5 cm long, lanceolate, somewhat fleshy; fertile seg- 

 ment rising from the base of the sterile, and 8 to I times as high, sporan- 

 gia ii[) to 50 on a side. 



Japan. 



4. Ophioglossum braunii I'rantl. 



Common stipe not reaching above the ground ; sterile blade lanceolate, 

 typically thin but in the only reported collection from this part of the 

 world said to be thicker, free veinlets few, and the midvein not branched ; 

 fertile segment arising below the base of the sterile. 



Yunnan (?) ; Cape Verde Islands. 



."). Ophioglossum pedunculosum Desv. (Plate T, B. ('.) 



Rhizome cylindrical or globose, with copious fleshy roots; common 

 stipe arising 1 to 5 cm or more above the ground: sterile blade ovate, 

 usually acute, subentire, narrowed abruptly to a cuneate base, com- 

 monly ;5 to 4 cm long, the extremes in the Philippines being 1 cm and 

 7 cm; fertile segment arising From the base of the sterile or just below 

 it ; stipe of fertile segment 1 to I times exceeding the sterile one. A 

 common and exceedingly variable species, which has therefore received 

 many names. 1 am unable to distinguish 0. timorense Miq. 



Two plants described as varieties of this species by Raciborski are raised to 

 specific rank by van Alderwerelt (p. 774) : O. inconapiouum of Java and New 

 Guinea, and O. pumiUim of Java. 



Japan to India and New Zealand. 



(>. Ophioglossum reticulatum L. 



Similar to 0. pedunculosum, but the sterile blade cordate above the 



short cuneate base; a less variable species here, without very small forms. 



Luzon, Mount Mariveles; in the tropics from the Carolines eastward to the 

 hfascarenes. 



7. Ophioglossum obovatum Miq. Ann. Mus. Lugd.-Bat. 4 (1808) 83. 

 Sterile segment 5 cm long, 12 mm broad, with a stipe one-third as long. 

 oblong-obovate or more rarely broadly obovate. apex broadly rounded, 



