162 FLOKA OF JAMAICA ErytJiroxylon 



keeled on the back, about 2*7 mm. 1. ; claw '8 mm. 1., -5 mm. br. ; ligulc 

 about 1-2 mm. 1., of 2 lateral concave lobes united from their backs, with 

 the inner edge decurrent on the claw. 



4. E. inerassatum 0. E. Sclmh in Urb. Si/ml. Ant. v. 210 

 (1907) ; leaves elliptical, base cuneate, apex acute or slightly and 

 shortly acuminate, 8-10 cm. 1. ; 3 '5-4* 5 cm. br. ; pedicels 

 thickened upwards, passing gradually into the calyx. 0. E, 

 Scludz in En<jl. PJlanzenreicli iv. pt. 134, 101. E. havanense 

 Sw. Obs. Bot. 185 (1791) (non Jacq.). E. squamatum Griseb. op. 

 dt. 114 (1859) (as regards the Jamaican plant) (non Vahl). 



Swartz \ Prior ! 



Petioles 6-8 mm. 1. Stipules 1-1 -5 mm. 1. Flowers 1-3 in the axils. 

 Pedicels 8-10 mm. 1. Calyx about 1-5 mm. 1. ; segments about 1 mm. 1. 

 Petals obovate-oblong, 4-4-5 mm. 1. (incl. claw up to 1 mm. 1.); ligule 

 1-5-2 mm. 1., 2 lobes on each side, the exterior lobes the longer, denticu- 

 late, with an obtuse lobe joining them on the outside, the interior lobes 

 united by a lobe turned downwards on the inside. Staminal tube shorter 

 than the calyx. Drupe unknown. 



5. E. jamaieense Fawc. d- Rendle in Journ. Bot. Iv. 38 

 (1917) ; leaves elliptical, apex and base rounded, 4-7 cm. I., 

 2 '5-4 cm. br. ; pedicels thickened upwards, passing gradually 

 into the calyx. Type in Herb. Jam. 



Peckham Woods, Clarendon, 2,500 ft., Harris \ Fl. Jam. 11,203. 



Tree 15 ft. high. Petioles about 1 cm. 1. Stipules 2-3 mm. 1., per- 

 sistent triangular-ovate, not keeled, apex erect, shortly aristate. Flowers 

 1-2 in the axils. Pedicels 3-4 mm. 1. Calyx 1*5 mm. 1. ; segments 

 slightly over 1 mm. 1. Petals oblong, nearly 3 mm. 1. (incl. claw 

 1-3 mm. 1.); ligule folded just above the middle, upper portion reflexed, 

 2-lobed, the fold forming a crenulate pocket, length from union of claw 

 and lamina to fold 1 mm. Staminal tube slightly shorter than the calyx. 

 Stigmas capitate. Drupe linear-oblong, curved, 1'3 cm. 1., 2-2*5 mm. br. 



FAMILY XLIV. ZYGOPHYLLACE^. 



Herbs, shrubs, or trees. Leaves opposite, or alternate by 

 abortion of one of the pair, abruptly pinnate, stipulate ; leaflets 

 entire. Peduncles 1, or 2 together, or often more in Guaiacum, 

 1 -flowered. Flowers hermaphrodite, sepals and petals usually 5, 

 imbricate, distinct. Stamens generally 10, distinct. Ovary 

 2-12-celled ; styles combined into one : ovules 2 to many, more 

 rarely 1, pendulous or ascending, with ventral raphe and 

 superior micropyle. Fruit composed of 2-12 cocci; cocci 1- or 

 few-seeded. Endosperm horny, thick, scanty, or wanting. 

 Embryo as long as the seed, green, straight ; cotyledons oblong 

 or linear, somewhat thick or leafy. 



Species, about 160, natives of the tropical and warm regions, 



