THE

ELEMENTS

OF

MATERIA MEDICA.

803

803809809814

815

816

816

II. ORGANISED KINGDOM.& &fte UjrflctaWe «stttJ-mtnjjUom.

Division 1. Cryptogamia, Linnaus.— Fiowerless Plawis.

Acotyledones, Jussieu.— Celluhres, De Cun&ollc— AcHOGEng, Ltndley.ssentiai, CHARACTER._Su6s(ance of the plant usually composed of oellular tissue cliiefly,oH 1Ur ln < ? s P he . roldal or elongaled State; Spiral vessels or ducts only present in the highest»elopnient irTll d- r '. nore 'i sin S »y ™ extension of its point, or by a regulär or irregulär de-deniity wl.en'onee'formpH TT,?", 6 comm ° n P oillt ; not inoreasing perceptibly in thickness orquentfv /!»,„„ I , ' Cutl <-le gcnerally destilute of stomnta. Sexual Organs, and conse-sporulJ JiZh . l \ K «P r °duction taking place either by spores or sporules [sporn scuof the nt, n arB . lnc i 0sed "' cases called '*«*> [sporangia], or imbedded in the substanceoccurriL . °l f ^ a mere dlssoluli °n of the utrieles of cellular tissue; germination'">g U no med point, but uponany part of the surface of the spores {Lindley).

Fig. 105.

a. T,oti;>ituilinal section of a etem.

»• -transversa section ofa stein.

<:■ Stern of a mosa with leaves anil theca, or seed-

case."• Leaf ofa mosa magnifled.

Structure of Cryptogamic Plants.

6. Leafy thallus ofa liehen with apothecia."

/. Crustaceous thallus ofa liehen witli apolliecia.

ff. Fun^i of the highest tribe.

h. i. Funfri of the lovvest rank.

k. Conferva magnifled.

Oedee I —ALGiE, Juss —THE SEA-WEED TRIBE.

^^H Algace.'e, Lindley.

ing N IwUh C vr? A r TER ' —Leaflcss -. flowe| -les8 plants, with no distinet axis of Vegetation, grow-

inlof si.nn]/ lew , exc , e P llons ] m wat ", frequcnlly having an animal motion, and ennsist-

VOL II " VCSl yi "'° m mUCUS ' or of articulated filaments, or of lobed fronds, formed

Esswinging