SEC 



SEE 



place to cast sea-weed into. They i 

 decompose rapidly, and will even act ] 

 as a ferment to i)eat, and are fertili- | 

 zing from the large amount of salt i 

 and nitrogen they contain. 



S E 13 A C E O i: S GLANDS. The 

 minute glands of the skin, which ex- 

 crete a fatty matter. 



SEBACIC ACID. An acid produ- 

 ced during the destructive distdlalion 

 of fats. 



SECALE. Ergot. See Rije. 

 SECHIUM. A new vegetable 

 fruit, resembling a small squash in 

 size, but different in flavour and struc- 

 ture, said to be from the Sechium edu- 

 lis, a South American plant. 



SECONDARY HOCKS. The for- 

 mations lying above the coal and be- i 

 tween it and the tertiary series. 

 They are fossiliferous and stratified. 

 SECRETION. The separation 

 from the blood or sap of certain prod- 

 ucts, by a glandular or other appara- 

 tus ; the perspiration, urine, bile, sal- 

 iva, &c., are secretions. They per- 

 form important offices in the econo- 

 my, and cannot be arrested without 

 the occurrence of disease. 



SECUNDINE. The second en- 

 velope of the ovule m plants. The 

 word sccundines also means the mem- 

 branes whicli cover the animal foetus. 

 SECURIFERS, SECURIFEIU 

 (from sccuns, a hatchet, and fero, I 

 bear). The name of a tribe of Terc- 

 brantia, or boring hymenopterous in- 

 sects, comprising those in which the 

 females have a saw-shaped or hatch- 

 et-shaped terrebra or appendage to 

 the posterior part of the abdomen, 

 for the purpose of preparing a place 



to receive the eggs, and of depositing 

 them therein. 



SECURIPALPS, SECURIPALPI 

 (from securis, a halchcl). Tlie name 

 of a family of coleopterous insects, 

 comprehending tiiose in which thu 

 ma.Kiilary palps terminate in a joint 

 wliich is elongated and hatchet-sha- 

 ped. 



SEDATIVES. Medicines which 

 produce sleep and diminish pain, as 

 henbane, camphor, morphia. 



SEDGES. Plants of the genus 

 Carex, perennial, coarse false grass- 

 es, inhabiting marshes and wet pla- 

 ces for the most part. 



SEED. The reproductive part of 

 the plant. It is usually enclosed 

 within a carpel or ovarium, except in 

 pines, which are gymnospermous, or 

 have the seeds placed in an open 

 carpel. Seeds consist of an external 

 coat or testa, an embryo, and one or 

 two seed lobes {coiylcdons). They 

 reproduce the species, and not the 

 variety of the plant, and in this re- 

 spect differ from buds and bulbs. 

 The finest plants should be selected 

 for seed, and only the principal grain 

 stems allowed to remain, tlie small 

 side branches bemg pruned off. 



The seed is a reservoir of the most 

 nutritious parts of the vegetable, con- 

 taining often ten times more nourish- 

 ment than any other i)art. In sowing, 

 sound, plump, and well-matured seeds 

 only should be selected, and this is 

 done by screening and then steeping 

 in a brine sufficiently strong to float 

 an egg, rejecting the grains that float. 

 The vegetative power of seeds kept in 

 the usual way is often much impaired 



Wheat . . . 

 Oals. . . . 

 Barley . . . 

 Rye .... 

 Beans . . . 

 Pease . . . 

 Buckwheat . 

 Clover, Red . 



, White 



Trefoil 

 Red Clover 

 Rye Grass . . 

 Turnips 

 Mangel-wurzel 

 Potatoes . . 



Time ol' Sowing. 



(see 



September tu November 



March and April 



March to May 



September 



March and April 



March and April 



April 



March and April 



ed 



eds 



Broad-cast. 



Drill. 



Dibbled. 



May to Auj;ust 

 April and .May 

 March to June 



2i to 3J bush. 

 4 to 6 

 3 to 4 " 

 2Jto3i " 

 3 to 4 " 

 3.t to 4A " 



2 to 2i " 

 12 to 16 lbs. 



3 to 4 " 

 2 " 

 2 



1 peck 



2 to 3 lbs. 



2 to 3 bush. 

 3J to 4i " 

 Ik to 3i " 

 2"to 3 " 

 ih to 3i " 

 i'to 4 " " 

 2 

 10 to 14 lbs. 



U tt>2 lbs. 

 20 t > 2.) bush 



1^ to 2 bush. 

 24 to 3 " 



2 to 3 

 3 



633 



