STYLIDIACBAE ^ 463 



rowed at both ends, coarsely and irregularly toothed especially below. 

 Flowers fragrant, axillary, solitary, erect, short-pedicelled. Calyx green, 

 5-angled, ovoid, the tube about 1 cm long, the 5 lobes linear, denticulate, 

 about 1.5 cm long. Corolla white, the tube slender, 8 to 10 cm long, the 

 lobes spreading, lanceolate, 2.5 cm long. Capsule nodding, about 2 cm long, 

 slightly protruding from the calyx-tube. 



Not uncommon in cultivation, but not spontaneous, fl. most of the year. 

 A native of the West Indies and of recent introduction here. 



134. GOODENIACEAE- (SCAEVOLA Family) 



Herbs, sometimes scandent, or shrubs. Leaves alternate, entire or 

 'toothed. Flowers perfect, axillary, or in terminal spikes, racemes, or 

 panicles. Calyx-tube adnate to the ovary, the limb 5-lobed. Corolla irreg- 

 ular, 5-lobed, split down one side, the margins of the lobes induplicate. 

 Stamens 5, alternate with the corolla-lobes, inserted at or near the juncture 

 of the corolla-tube with the ovary. Ovary inferior, 1- or 2-celled, ovules 

 1 or more in each cell; style simple, undivided, with a cup-shaped dilatation 

 enclosing or surrounding the stigma, or 3-lobed, the lobes ciliate. Fruit 

 capsular and dehiscent or drupaceous and indehiscent. 



Genera 12, species about 200, almost entirely confined to Australia, 2 

 genera and about 8 species in the Philippines, the following the only rep- 

 resentative in our area. 



1. CALOGYNE R. Brown 



Slender, erect or spreading, more or less hairy, annual herbs. Leaves 

 alternate. Flowers axillary, pedicelled, solitary. Calyx-tube short, adnate 

 to the ovary, 5-lobed, the lobes longer than the tube. Corolla split down one 

 side to the base, the upper 2 lobes separating near the base, unequally 

 winged, the lower three as long as the upper ones, united for one-half to 

 two-thirds their length, winged. Stamens free, short. Ovary inferior, 1- 

 or 2-celled, ovules few in each cell. Style deeply divided into 3 branches, the 

 middle one shorter than the 2 lateral ones, the tips of the arms ciliate. 

 (Greek "beautiful" and "woman," in allusion to the forked and ciliate style.) 



Species four, 3 in Australia, and 1 in Australia, Luzon, and southern 

 China. 



1. C. pilosa R. Br. (Balingayum decumbens Blanco). 



A spreading, diffuse, or sometimes ascending, slender, hairy, annual 

 plant, the stems 20 cm long or less, simple or slightly branched. Leaves 

 lanceolate to linear-lanceolate, sinuate- or repand-toothed, or nearly entire, 

 the upper ones more or less reduced. Peduncles 1.5 cm long or less. Calyx 

 green, the tube short, the lobes lanceolate, 3 to 4 mm long. Corolla purpjish, 

 about 8 mm long. Capsule hairy, ovoid, about 5 mm long. 



In open damp grass lands, old rice paddies, etc., Caloocan to San Pedro 

 Macati, abundant, fl. Aug.-Jan. Known in the Philippines only from the 

 country contiguous to Manila. North Australia, Queensland, and southern 

 China. 



135. STYLIDIACEAE (Stylidium Family) 



Annual or perennial, usually slender herbs, rarely undershrubs. Leaves 

 alternate, entire. Flowers axillary, racemose, or cymose, small, perfect. 

 Calyx adnate to the ovary, mostly 5-lobed or 2ilipped. Corolla gamopet- 

 alous, usually irregular, rarely regular. Stamens 2, rarely 3, the filamenta 



