62 EUPHOEBIACEAE. 



Appendages of the involucral glands obsolete : ovary, and capsule, pubescent. 



1. C. adicioides. 

 Appendages of the Involucral glands present : ovary, and capsule, 



glabrous. 2. C. buxifolia. 



1. C. adicioides Small. Shrub mostly less than 0.5 m. tall, finely pubescent 

 with pale hairs, rather copiously branched above, zigzag: leaves numerous; 

 blades ovate to oval, 2-3 mm. long, acute or acutish, entire, short-petioled : 

 involucres campanulate, barely 1 mm. high, longer than the peduncles, minutely 

 pubescent, deciduous: glands about 0.4 mm. broad: appendages obsolete: cap- 

 sules pubescent, less than 1 mm. long. 



Sandy shores or hammocks, F. Keys. (Enricnii . ) 



2. C. buxifolia (Lam.) Small. Shrub 1 m. tall or less, glabrous, branching, 

 often purple, with long or short internodes: leaf -blades ovate to broadly oblong 

 or cuneate near the base of the stem, rather fleshy, 8-12 mm. long, obtuse or 

 acutish, involute, rounded or subcordate, nearly sessile: involucres campanu- 

 late, about 1.5 mm. high, as long as the peduncles or shorter: glands trans- 

 versely oblong, 0.5 mm. broad: appendages whitish: capsules 2.5-3 mm. broad, 

 glabrous. 



Coastal sand-dunes and beaches, s. pen. Fla. and the F. Keys. (W. I.) 



15. PEDILAHTHUS Neck. Shrubs with fleshy branches. Leaves succu- 

 lent: blades flat, entire or undulate-crisped. Involucres borne in dichotomous, 

 often contracted cymes, oblique and strongly 2-lipped, the lower lip much 

 larger than the upper. Capsule 3-lobed, the carpels often keeled or horned. 



1. P. tithymaloides (L.) Poit. Plants 3-16 dm. tall or more, the stem and 

 branches sometimes zigzag: leaves spreading; blades ovate to ovate-lanceo- 

 late, 4-11 cm. long: involucres 12-14 mm. long, mainly red, the two terminal 

 lobes broadly ovate, ciliolate: stamens and style exserted: capsules 6-7 mm. 

 long: seeds 3-3.5 mm. long. JEW-BUSH. RED-BIRD FLOWER. 



Hammocks and plnelands, E. Keys and F. Keys. Nat. of Trop. Am. 



Order SAPINDALES. 



Shrubs or trees. Leaves various: blades simple and entire or toothed 

 or compound. Calyx of distinct sepals. Corolla of distinct petals, regu- 

 lar or rarely irregular, or wanting. Androecium of as many stamens as 

 there are petals, or of twice as many, or rarely of more, or fewer. Fila- 

 ments distinct. Gynoecium a single carpel, or of several united carpels. 

 Ovary superior. Ovules 1 or 2, or several, in each cavity of the ovary, 

 pendulous, with the raphe away from the axis of the ovary, or erect or 

 ascending. Fruit various. 



Stigmas tufted or many-cleft. Fam. 1. EMPETRACEAE. 



Stigmas entire. 



Plants with resin-bearing tissues. Fam. 2. SPOXDIACEAE. 



Plants not resin-bearing. 



Leaf-blades simple, pinnately veined. 



Each cavity of the ovary with a single ovule. 



Flowers in racemes : fruit capsular or leathery. Fam. 3. CYBILLACEAE. 

 Flowers not racemose : fruit a drupe. Fam. 4. AQTJIFOLIACEAE. 



Each cavity of the ovary with 2 or more ovules. 

 Corolla present : flower with a disk. 



Seeds arilled : anthers introrse. Fam. 5. CELASTHACEAE. 



Seeds not arilled : anthers extrorse. Fam. 6. HIPPOCRATACEAE. 



Corolla wanting : flowers without a disk, or 



this obsolete. Fam. 7. DODOXAEACEAE. 



Leaf-blades simple and palmately veined or com- 

 pound. 



Leaves opposite. Fam. 8. AESCULACEAE. 



Leaves alternate. Fam. 9. SAPINDACEAE. 



