QUASSIA FAMILY. ' 83 



spring, preceding the leaves, either the sepals or petals wanting ; pistjls 3-5 

 with slender styles ; the little pods about the size and shape of pepper-corns, 

 lemon-scented, raised from the receptacle on thickish stalks. ■ 



Z. Carolinitoum, Southekn P. Sandy coast S. ; a small tree, the 

 bark armed with warty and' the leafstalks with very slender prickles, smooth, 

 with 7-9 ovate or lance-ovate leaflets, and whitish flowers in a terminal cyme, 

 in early summer, later than the leaves, with the petals and sepals both present, 

 3 or 2 short-styled pistils, and pods not stalked. 



4. PTELEA, HOP-TREE. (The ancient Greek name for the Elm, from 

 the resemblance in the winged fruit.) 



,P. trifoliata. Three-leaved H. Rooky woods from Penn. S. & W. ; 

 a tall shrub or small tree, with ovate pointed leaflets, and a terminal cyme of 

 small greenish-white unpleasantly scented flowers, in early summer ; the orbic- 

 ular winged fruit bitter, used as a substitute for hops. 



5. SKIMMIA. {SIcimmi is the name in Japan, from which country tha 

 common species was recently introduced into ornamental cultivation.) 



S. Japdnica, a low quite hardy shrub, smooth, with oblong and entire 

 bright-green evergreen leaves crowded on the end of the branches, which in 

 spring are terminated with close panicle or cluster of small and white sweot- 

 Bcented flowers, of no beauty, but followed by bi-ight red berries which last over 

 winter. 



6. CiTRUS, CITRON, ORANGE, &c. (Ancient name for Cfeon.) Na- 

 tives of India, &c,, cultivated with us only for ornament. Flowers white, 

 very sweet-scented, rather showy. The species or varieties are much con- 

 fused or mixed. 



C. vulgaris, Bitter Orange, with broadly winged petiole ; fruit with a 

 thin roughish rind and acrid bitter pulp. 



C. Aur&ntium, Sweet Orange, with a very narrow wing or slight 

 margin to the petiole ; , fruit globose, with a smooth and thin separable rind 

 and a sweet pulp. 



Var. myrtifdlia, Myrtle-leaved or Chinese Orange, dwarf, with 

 small leaves (1' - 1^' long) and small fruit, depressed or sunken at the apex. 



C. lliiiuduiuiu, Lemon, with a, narrow wing or margin to the petiole, 

 oblong and acute toothed leaves, petals commonly purplish outside, and fruit 

 ovoid-oblong, with adherent rind and a very acid pulp. 



, C. liim^tta. Lime, with wingless petiole, roundish or oval serrate leaves, 

 and globular fruit with a firm rind and sweetish pulp. 



C. M6dica, Citron (named from the country, Medfa), with wingless 

 petiole, oblong or oval acute leaves, petals purplish outside, and a large oblong 

 sweet-scented fruit with a very thick roughish adherent rind, and slightly acid 

 pulp. 



29. SIMARUBACEiE, QUASSIA FAMILY. 

 May be regarded as Rutaceaj without transparent dots in the 

 leaves ; here represented by a single tree, the 



1. AILANTHUS, CHINESE SUMACH or TREE-OF-HEAVEN. 

 (Ailanto, a native name.) Flowers polygamous, small, greenish, in tei-minal 

 branched panielesi, with 5 short sepals and 5 petals, 10 stamens In the sterile 

 flowers -and few or none in the fertile; the latter with 2 to 5 ovaries (their 

 styles lateral, united or soon separate), which in fruit become linear-oblong 

 th'in and membranaceous veiny samaras or keys, like those of Ash on a 

 smaller scale, but 1-seeded in the middle. 

 A. glandulbsus, the only species known here, from China, is a common 



shade-tree, tall, of rapid growth, with hard wood, very long pinnate leaves, and 



many obliquely lanbeolate entire or sparingly sinuate leaflets ; flowers in early 



summer, the staminate very ill-scented. 



