Ficns, G. King.'] cxxxvi. URTICACE2E. (J. D. Hooker.) 495 



KEY TO THE SECTIONS, &C. 



Sect. I. PAL^IOMOIIPHE. Malefl. monandrous and containing a pistillode, 

 in the same receptacles with gall n. Fern. fl. in separate receptacles, their 

 perianth gamophyllous (except in M. ffibbosa). Small trees or erect or sub- 

 ecandent shrubs. Sp. 1-6. 



Sect. II. UEOSTIGMA. Flowers unisexual or asexual. Male, fern, and 

 gallfl. in the same receptacle ; stamens 1 (sometimes 2 in Nos. 52 and 53) ; 

 stigma elongate, usually acute. Usually trees or powerful climbers, 

 epiphytal, at least in early life. Leaves alternate, entire, rarely mem- 

 branous. Receptacles axillary, or from the scars of fallen leaves, base tri- 

 bracteate (bracts at the base of the peduncle in Nos. 34 and 42). 



Series 1. Leaves coriaceous or subcoriaceous ; petiole short or moderately 

 long, nerves jointed to the blade. 



a. Leaves coriaceous, more or less ovate and cordate, pubescent when young. 

 Sp. 7-12. 



b. Leaves coriaceous, more or less ovate or elliptic, base not cordate, glabrous 

 even when young (except F. altissima). Sp. 13-20. 



c. Leaves coriaceous, tapering at both ends ; basal bracts of receptacles large and 

 prominent. Sp. 21-24. 



A. Leaves coriaceous, tapering at both ends ; basal bracts of receptacles not large 

 nor prominent. Sp. 25-27. 



e. Leaves coriaceous, narrowly elliptic or oblanceolate, tips broad obtuse. Sp. 

 28-29. 



f. Leaves coriaceous or subcoriaceous; primary and secondary nerves equally 

 prominent, close together, straight and anastomosing little, except near the margin. 

 Sp. 30-32. 



ff. Leaves subcoriaceous, ovate or elliptic subovate or sublanceolate ; secondary 

 nerves almost as prominent as the primary; anastomoses numerous, minute, distinct. 

 Sp. 33-41. 



h. Leaves coriaceous, elliptic or oblanceolate ; receptacles without basal bracts. 

 Sp. 42. 



Series 2. Leaves subcoriaceous or membranous ; petiole long, joi 

 the blade. Sp. 43-51. 



Series 3. Leaves coriaceous. Stamens 2 (or 1 in F. callosa). Sp. 



Sect. III. SYNGECIA. Floivers unisexual or neuter ; male and g 

 one set of receptacles, fern, and neuters in another set (neu 

 carpa}.* Male fl. membranous. Climbers with large colo 

 Leaves alternate, tessellate beneath. Sp. 54-57. 



Sect. IY. SYCIDIUM. Flowers unisexual ; male and g 

 of receptacles, female in another set. Male fl. monandrous. 

 trees or climbers, rarely epiphytal. Leaves alternate, sma n 

 scabrid. Receptacles small, chiefly axillary (rarely fascicled 



Sect. Y. COVELLIA. Flowers unisexual; male and gall 

 receptacle. Fern. fl. in separate receptacles. Malefl. monai 

 3-4. Fern, perianth gamophyllous, short, or 0, rarely of 4-5 

 or shrubs, never epiphytes or climbers. Leaves alternate 

 Receptacles on long subaphyllous branches from near the bai^^^ 

 or subhypogeal, or on tubercles of the trunk or large hrum-' , . . . 

 axillary. Sp. 68-78. 



VOL. v. re k 



