40 Underwood : The genus Stenochlaena 



3. TERATOPHYLLUM Mett. (in part). 



Mettenius established the genus Teratophyllu 



{Poly 



botrya artkulata J. Sm.). The latter species forms the type of 

 the genus Arthrobotrya J. Sm., and appears to be a valid genus. 

 In this group the rootstock is spiny and naked, the veins are free, 

 the pinnae are articulated to the rachis, and the leaves are tri- 

 morphous. In addition to the ordinary foliage leaves which are 

 simply pinnate like those of the other sections of the genus, there 

 are accessory bipinnate or even tripinnate leaves which often lie more 

 closely appressed to the surface over which the plant climbs. A 

 good illustration of this feature may be seen in Karsten, Ann. Bot. 

 Jard. Buitenzorg 12 : pi. 14, copied in Velenovsky's Vergleichende 

 Morphologie der Pflanzen 200, /. 128. 1905. Such dissected 

 leaves are not unknown in other ferns, occurring even in some of 

 the Cyatheaceae. 



There are three species known at present, all confined to the 

 East Indian region both continental and insular. They may be 

 distinguished as follows : 



Foliage green ; pinnae 1.5-2.5 cm. wide, nearly sessile. 5. S aculeata. 



Foliage pink or violet when dry ; pinnae I cm. or less wide. 



Pinnae obtuse or truncate at the base, short-stalked ; sporophylary pinnae as long 



as the sterile. 



6. S. gracilis. 



Pinnae cuneate at the base, long-stalked ; sporophylary pinnae twice the length of 



the sterile. 



Willia 



Besides the above there are indications of a fourth species, 

 from Perak, with green foliage, the pinnae stalked (1— 1.5 cm.), 



subcoriaceous, and 2.5-3 cm - wiide - Specimens exist at Kew. 



5. Stenochlaena aculeata (Blume) Kunze, Bot. Zeitung 6: 

 142. 1848. 



Lamaria aculeata Blume, Enum. PI. Jav. 205. 1828. (Type 

 from Java.) 



Lomariopsis spincscens Fee, Mem. Foug. 2: 71. //. 33. f. 1. 

 1844-5. (Based on the above with an unwarranted change of 

 of specific name.) 



Lomariopsis ludens Fee, Mem. Foug. 2 : 70. p. 30. 1844-5. (Type 



from Singapore, Gaudichaud.) 

 Davallia achillaefolia Wall. Cat. n. 248 ; Hooker, Sp. Fil. I : 



195. //. 56 D. 1846. (Type from Penang, Wallich.) 



