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STILLlNGIA (aft D B nj St 11 ngfl t an En 

 lish botanist). jLuphorhiart^ie. About la species of 

 herbs or shrubs from North and South America with 

 alternate, stipulate leaves anil small, moncecious, apeta- 

 lous flowers in terminal spikes. The genus is closely 

 allied to Sapium, but differs mainly iu the fruit, which 

 in Stillingia is of 2-3 dry 1-seedeil carpels with no cen- 

 tral axis remaining after dehiscence but with a large, 

 persistent, ,3-horned receptacle, while in Sapium the 

 fruit dehisces by splitting down the back of each 

 carpel, leaving a 3-winged central axis to which the seed 

 is for a long time persistent: the large receptacle is 

 also wanting in Sapium. 



sylvitica, Linn. Queen's Delight. A half-hardy 

 perennial herb with a woody root: stems clustered, 

 2-3 ft. high: Ivs. numerous, very short-petioled or sessile, 

 linear-lanceolate to obovate, obtusely serrate: fis. yel- 

 lowish, in terminal spikes. Spring to fall. Southern 

 states. According to Mueller's "Select Extra Tropical 

 Plants," the root is extensively used for its emetic and 

 purgative properties. C. D. Beadle reports that the 

 plant has stood a temperature of —9° at Biltmore, 

 N. C. The plant gr w 1 ly f d 1 t 1 t 



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sp4rtea, Trin. Pokcupine Grass. Culms 2-3 ft., in 

 bunches : panicles contracted ; empty glumes broad, 

 nerved, about IK in., tapering to a slender point; fl.- 

 glunie nearly 1 in. ; awn usually about (J in. long, the 

 lower half erect, pubescent and strongly twisted, the 

 upper half bent to one side, rough. Illinois to Cali- 

 fornia. 



capiUata, Linn. Similar to S. sparlea: flowers more 



numerous but smaller in every way: fl. -glume about ^ 



in. long; lower part of awn only minutely pubescent, 



and the upper or bent portion sinuous. Plains, Europe. 



A. S. Hitchcock. 



ST. JOHN'S WOKT. Hypericum. 



STOBfflA (after D. Stob»us, a Swedish patron of 

 Linnaeus). Compdsitce. This genus is included by 

 Bentbam and Hooker under Berkheya. About 70 spe- 

 cies of South African herbs or somewhat shrubby 

 plants, commonly with aspect of thistles as to the foli- 

 age. Lvs. usually decurrent, dentate, pinnatilid or pin- 

 natisect, the lobes dentate and spiny: heads small to 

 large, solitary or somewhat corymbose; rays usually 

 yellow. 



purptirea, DC. {Berkheya purpurea, Benth. & Hook.). 

 A half-hardy, probably biennial plant 2-3 ft. high: 

 lower lvs. about 1 ft. long, irregularly lobed, spiny on 

 the margins, cottony beneath, dark green above: stem- 

 Ivs. smaller, long-decurrent : ii. -heads 3 in. across, pur- 

 ple to white, resemblinga single dahlia. G.C. 1872:1261. 

 — To be recommended for growing with half-hardy al- 

 pines. It can be wintered in a coldframe. Prop, by 

 seed and division. p^ ^ Barclay. 



STOCKS (for botany, see Matthiola. Fig. 2401; also 

 compare Figs. 424, 1377 and 2402) are divided into 

 two groups. Summer and Winter Stocks. The former 

 are annuals and therefore bloom in the first summer; 

 the latter are biennials and bloom in the second year, 

 or, if sown very i aiiy, lali- in the fall or the winter of 

 the first year. Fall >•!■ inti rmediate Stocks are between 

 these two groups; thev blooin profusely in the autumn. 



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elegantissima, LabiU. Stems 2-3 feet, erect from a 

 horizontal rhizome : lvs. narrow and erect: panicle 

 very loose, 6-8 in. long, very plumose: spikelets 4-6 

 lines long; awn 1% in. long. Thrives in sandy soil. 

 Australia. 



tenacissima, Linn. Esparto Grass. Culms 2-3 ft., 

 in bunches: lvs. narrow, smooth, cylindrical, elongated: 

 panicles contracted, 2-cleft: fl. -glume awned between 

 1-2 in. Spain and North Africa. The lvs. 



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the spray is discontiinnd and tlie pots are watered with 

 the pipe of the can. This watering is done at night dur- 

 ing warm weather and in the morning when the weather 

 is cold. Very little watering is done in continuously 

 cloudy or rainy weather. The watering of the Stocks is 

 the most particular and important part in the cultiva- 

 tion in pots, for if due care is not exercised a white 

 maggot will make its appearance while the plants are 

 in bud and destroy the roots. The common flea-beetle 



