208 D. Prain^Tzyo additional species of GlyptojDetalum. [No. 2, 



arillar structure with meridional segments differing in coloar from the 

 testa that it overlies. The presence of this arillus proves that the 

 coloured " aril " (which in turn loosely overlies it) is not a tnie arillus 

 but, as Planchon has pointed out as regards the aiil of Euonymus, an. 

 arillode. 



aLTPTOPETALUM Thwaites. 



Characters of Euonymus but ovules solitary and pendulous from the apex of 

 the cell. 



Cymes shorter than leaves, flowers under 20 mm. diam. : — 

 Fruit quite smooth : — 



Peduncles ^ as long as leaves, cymes lax 

 2-3 times divided ; leaves thinly cori- 

 aceous oblong-lanceolate serrate, pe- 

 tals oblong, flowers 12 mm. diam., 

 arillode covering | of seed and lobed 

 at the margin ... ... \. Q. zeylanieum. 



Peduncles very short, cymes demise 1-2 

 times divided : — 



Cymes longer than petioles, peduncles 

 longer than pedicels ; leaves coriace- 

 ous ovate-oblong entire, nerves indis- 

 tinct, petals oblong, flowers 8 mm. 

 diam., arillode covering f of seed 

 and lobed at the mai^gin ... 2. G. calocarpum. 



Cymes not exceeding petioles, peduncles 

 shorter than pedicels, leaves mem- 

 hranous, ovate-oblong serrate, nerves 

 prominent beneath, arillode hardly 

 covering f of seed, margin entire... 3. G. Griffithii. 

 Fruit rough tubercular ; peduncles -I as long 

 as leaves, cymes las 2-3 times divided, 

 leaves thickly coriaceous, oblong-lance- 

 olate serrate, petals suborbicular, flowers 

 8 mm. diam., arillode covei-ing \ of seed, 

 margin sinuate... ... ... 4. (?. sclerocarpum. 



Cymes longer than leaves, flowers over 20 mm.. 

 diam. ; cymes lax once divided, leaves 

 thinly coriaceous, oblong-elliptic entire, 

 petals obovate, flowers 30 mm. diam. ; 

 fx'uit unknown ... ... ... 5. (?. grandiflorum. 



