SPURGE PAMILT. 295 



B. Obtus&ta. Native W. & S. : like preceding, but taller, 1° - 2° high ; 

 stem-leaves oblong-spatulate and obtuse, the upper heartshaped ; floral ones 

 dilated-ovate ; umbel once or twice 3-rayed, then 2-rayed ; glands of flower-cup 

 short-stalked ; pods long-warty. 



E. dictyosp6rma. Open ground S. W. Resembles the preceding, but 

 slender ; leaves obtusely serrate ; glands small, almost sessile ; seeds delicately 

 reticulated. 



£. Heliosc6pia. Weed from Europe in waste places N. -. with stouter 

 ascending stems 6'- 12' high; leaves all obovate and rounded or notched at the 

 end, the lower wedge-shaped, finely serrate ; umbel first with 5, then 3, and at 

 length with 2 rays; glands orbicular and stalked; pods smooth and even; 

 seeds with honeycomb-like surface. 



■w- -w Glands of the flower-cup with 2 long horns : pod smooth : seeds sculptured 

 or pitted and pah. ® ® 



E. P6plus. Waste places, from Eu. : stem erect ; leaves petioled, entire, 

 round-obovatc, the upper floral ones ovate; umbel first 3-rayed, afterwards 

 2-forked ; pod 2-crested on each lobe. 



E. COmmut^ta. Wild from Wisconsin and Virginia S. W., on shady 

 slopes : stems with decumbent base ; leaves obovate, the upper sessile, the 

 rounded floral ones broader than long; umbel 3-forked; pod crestless : fl. early 

 summer. 



++ -w *+ Glands crescent-shaped : pod granular .• seeds smooth, dark-colored, y, 



B. Cyparissias, Cypress Spukge. Gardens from Eu. and running 

 wild B. : in dense clusters 6' -10' high, smooth; stem and branches crowded 

 with small linear entire leaves, the floral ones small and rounded heart-shaped ; 

 umbel many-rayed. 



•I- •>- Leaves all or chiefly opposite, entire, smooth, almost sessile : pod smooth. 



E. Ipecacu^nhee, Ipecac Spukge. Sandy soil from New York S. : 

 branching repeatedly fi'om the long perpendicular rpot, widely spreading ; 

 leaves barely 1' long, varying from obovate to linear ; peduncles solitary in the 

 forks, slender ; flower-cup dull purple, with 5 glands. 2/ 



E. Ij^thyris, Capeb Spukgk. Cult, from Eu. in country gardens : glau- 

 Qpus ; stem erect, stout, 2° - 3° liigh ; leaves thick ; those of the stem lance- 

 linear, floral ones oblong-ovate and heart-shaped'; umbel 4-rayed, then forking; 

 glands short-horned. @ 



2. STILIJNGIA. {Named for Dr. B. Stillingfleet.) Very smooth plants, 

 only S. : floweiing all sunmier. 



S. sylv&tica, Queen's Delight. Dry soil from Virginia S. : herb 1° - 

 3° high, clustered from a woody root ; leaves crowded, almost sessile, varying 

 from obovate to lance-linear, serrulate ; stamens 2. 



S. ligustrlna. River-swamps from N. Carolina S. : shrub 6° -12° high; 

 leaves lance-obovate or oblong, entire ; spikes short ; stamens mostly 3. 



S. sebifera, Tallow-teee of China, planted South Carolina & S. : tree. 

 20° - 40° high ; leaves rhombic-ovate, entire, long-petioled ; stamens 2 ; seeds 

 white, yielding a useful vegetable tallow or wax. 



3. ACAL'^PHA. (Ancient Greek name of iVe«Ze.) Flowering through 

 lati summer and autumn. 



A. Virginica. A most common, coarse, low weed in fields, &c : smoothisb. 

 or hairy, turning purplish, with leaves varying from ovate to linear, fertile 

 flowers in abort clusters ; pod and seed smoothish. ® 



A. CaroliniS,na. Cult, ground, chiefly S. : has thin heart-shaped closely 

 serrate leaves, mostly a long terminal fertile spike, pods beset with soft prickles, 

 and seeds rough-wrinkled. ® 



4. ElCIlsrUS, PALMA-CHRISTI, CASTOR-OIL PLANT. (Latin 

 name of a bug, which the seed resembles.) 



R. oommtinis, the only species, but of many yarieties, native probably ot 

 Africa : a sort of tree, but cult, in temperate climateEf as a stately annual, for its 



