. The Pharmaceutical era. to ahard-pointed and spiny ele-ment, as in the Japanesequince (Cydonia JaponicaPers.), when they are spokenof as Thorns. That a thornis a modified branch is evi-., deuced from the fact that ^..^ JQ, V\ foliage may arise upon it ^^? \\ (Fig. 17), or even flowers may occtir. Sometimes a Morn1n°/G^oV:TLco?!ing •«^ «?• • ««>• Pis from left to right, the op- a thorn (Fig. 17).^slte of what occurs in the (7, Twiners and have further to observethat there are plants which rise on other plants or sup-ports, either by attacliing themselves or by coiling around Ja
. The Pharmaceutical era. to ahard-pointed and spiny ele-ment, as in the Japanesequince (Cydonia JaponicaPers.), when they are spokenof as Thorns. That a thornis a modified branch is evi-., deuced from the fact that ^..^ JQ, V\ foliage may arise upon it ^^? \\ (Fig. 17), or even flowers may occtir. Sometimes a Morn1n°/G^oV:TLco?!ing •«^ «?• • ««>• Pis from left to right, the op- a thorn (Fig. 17).^slte of what occurs in the (7, Twiners and have further to observethat there are plants which rise on other plants or sup-ports, either by attacliing themselves or by coiling around January 13, 1898.] THE PHARMACEUTICAL ERA. 51 them. They are distinguished as Tuiners andCllmhcrsTwiners do not have any special development other thanthe stem for grasping supports, as in Morning Glory(Fig. IS). Climbers, however, rise by means of especialelements, which may be roots, as in the Ivy (HederaHelix L.), and are therefore called Root may be the means by which plants climb, as in. Portion of tbe stem of a grape-vine, (n) nodi; (it inter-node; (Ij foliage leaf; (t) tendril, being a moUifled branch. Clematis species, and these are called Leaf , some plants climb by means of tendrils, as theGrape Vine (Fig. 19), and hence are calledTcndril Climb-ers. These tendrils are in some cases further providedwith disc-like attachments for holding the plant to afixed object, as in Virginia Creeper (Amiwlopsis quin-quefolia JIx.). PRACTICAL STUDIES.(1) Take some . of pea, bean, corn, mustard, andput them in separate dishes or plates and pour water overthem. Allow them to remain in the water and swell forabout 12 hours. Then place them in a number of boxescontaining moistened sawdust, or shavings or excelsiorand allow them to germinate and grow for a week ormore. (a) Lay one box flat. Incline another, at an angle degrees, and away from the light. Incline another atthe same angle towards the light. Observe the followingpoints (a
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Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1
