lxxvi GAKDEN BOTANY. 



D. Odora, Sweet Daphne. A house shrub, with evergreen smooth 

 oblong leaves, and a terminal cluster of sessile purple or whitish flowers, in 

 winter, very fragrant. 



Order EUPHORBIACE-SI. Spurge Family. 

 Manual, p. 385. — The following exotics of this order are to be noticed : — 



1. Euphorbia, Spdrge. Man. p. 385. Three showy shrubs of this genns 

 are winter ornaments of most conservatories. 



E. jacquiniflora. Smooth, with slender recurved branches and broadly 

 lanceolate leaves; peduncles shorter than the petioles, few-flowered ; what 

 appears like a 5-cleft corolla are the bright red lobes of the cup or involucre 

 containing stamens and a pistil. 



E. splendens, of the Mauritius, with thick and horridly prickly stems, 

 oblong-spatulate mucronate leaves, and slender peduncles bearing a cyme of 

 several deep-red apparently 2-petalous flowers ; but the seeming petals are 



bracts around a cup which encloses stamens and pistil. 

 • 

 E. puleherrima, or Poinsettia, of Mexico. A' wide-branched shrub, 

 with ovate or lanceolate-oblong angled or sinuate-toothed leaves, those next 

 the flowers (which are in globular green involucres, bearing one great gland 

 at the top on one side) mostly entire and of the brightest vermilion-red. 



2. Kieinus communis, Palma-Christi, Castor-Oil Plant. Cult, 

 as an annual for its magnificent foliage, also for the seeds, from which castor- 

 oil is expressed; a stately plant, with large palmately 5-7-lobed and glandu- 

 lar serrate leaves, and greenish monoecious flowers in a terminal panicle ; the 

 staminate ones below and polvandious ; the pistillate above, ovary bearing 3 

 plumose 2-parted stigmas, and becoming a prickly-pointed 3-lobed pod. 



3. BllXUS sempervirens, Box. Cult, as a shrub, usually dwarf, and 

 for borders ; leaves evergreen, oval or obovate, with small and yellowish mo- 

 noecious flowers in their axils. 



Order TJRTICACEJE. Nettle Family. 



Manual, p. 394. — A few species are to be added, mostly trees. 



Trees, without milky or colored juice : flowers not capitate. 



Flowers polygamous : fruit a berry-like drupe. Man. p. 894. CELTIS. 



Flowers often perfect : fruit winged (a samara). Man. p. 394. 1. ULMUS. 



Trees, with milky or yellowish juice, monoecious or dioecious. 



Both kinds of flowers in spikes or catkins, usually monoecious, 



the pistillate catkin becoming berry-like in fruit. . . 2. MORTIS. 



Staminate flowers in spikes : pistillate in close round heads which 



become fleshy : dioecious 3. BROUSSONET1A. 



Staminate flowers in racemes : pistillate in a large round head, 



yellow and fleshy in fruit : dioecious 4. MACLURA 



Both kinds lining the inside of a closed fleshy receptacle (like a 



rose-hip), which becomes pulpy in fruit : stipules convolute, 



caducous. 5. FICUS. 



Herbs, without, milky juice, 



Erect, annual : leaves palmately compound. Man. p. 400. CANNABIS 



Twining : leaves palmately lobed. . . . Man. p. 400. IIUMULUS. 



