clathrate 



climax 



clath'rate, clatlira'tus (Lat., latticed), 

 latticed, or pierced with apertures ; 

 '~ Cell = Sieve-tube ; Clathi'rus (Lat. , 

 a lattice), a membrane pierced with 

 holes and forming a sort of grating ; 

 Clath'rophores {(popew, I bear). D. 

 Don's term for the glands in the 

 pitchers of nepenthes. 



Claus'ilus {clausus, shut), Richard's 

 term for his macropodal embryo, 

 when its radicle is united by its 

 edges, and entirely encloses the rest 

 (Lindley). 



cla'vate, dava'tus {clava, a club), 

 club-shaped, thickened towards 

 the apex ; clav'ellate, clavella'ius, 

 diminutive of the foregoing ; Clav'- 

 icle, Clavic'ula (Lat., vine-tendril), 

 tendril, cirrhus ; clavic'ulate, clavi- 

 cula'lus, furnished with tendrils or 

 hooks ; clav'iform, daviform'is 

 {forma, shape), club-shaped ; clavil- 

 lo'sus (Lat.), clubbed, or markedly 

 club-shaped ; Clav'ule, Clav'ula, the 

 club-shaped sporophore in certain 

 Fungi, as Clavaria; Cla'vus, the dis- 

 ease of Ergot iu grasses, the young 

 grain being malformed and club- 

 shaped, from the attack of Claviccps 

 purpurea, Tul. 



Claw, the narrowed base of the petals 

 in such plants as Dianthus ; -'Hook, 

 the petiole of a well-developed leaf 

 which is transformed into a hook 

 after the fall of the lamina (Goebel). 



Cleat (pr. Gleet) of Diatoms, a small 

 outgrowth of silica from the second- 

 ary hoops of certain Diatoms (Palmer 

 and Keeley). 



Clea'vage [disyll.], (1) sporangial di- 

 vision by which sporangiospores and 

 conidia are formed ; either (a) progres- 

 sive, or (b) complete (Harper) ; (2) in 

 xylem by cell-division in wood-paren- 

 chyma, pith and medullary rays, 

 resulting in formation of sci)arate 

 strands, sometimes followed by 

 growth of meiistem (Solereder) 



Cleft, cut lialf-way down ; graft' 



ing, insertion of a scion in a^ cleft 

 n)ade in a stock ; Clefts, used by sir 

 W.J. Hooker for LiRELLAK. 



Cleistanthe'ry {KKeia-rhs, shut; av6T]phs, 



flowery), the anthers of a partially 

 cleistogamous flower remaining in- 

 side and not exserted (Knuth) ; 

 Cleis'tocarp {Kap-rrhs, fruit), an asco- 

 carp, which is completely closed, the 

 spores escaping by rupture, a cleis- 

 tothecium ; adj . cleistocarp'ic, cleis- 

 tocarp'ous, applied to those Mosses 

 whose capsules do not open by a 

 lid ; cleistogam'ic, cleistog 'amous 

 {ydfios, marriage), with close fertil- 

 ization, it taking place within the 

 unopened flowers ; Cleistog'amy, the 

 condition described ; Cleis'togene 

 {yevos, offspring), a plant which 

 bears cleistogamous flowers (Crozier) ; 

 Cleistog'eny, the bearing cleistogamic 

 flowers ; adj. cleistog'enoas ; — Paeu'- 

 do ■^ ; Hansgirg's term for an inter- 

 mediate condition, the flowers being 

 normal, but not opening, and pollin- 

 ation taking place within the closed 

 perianth ; Cleistopet'aly {ireraXov, a 

 leaf), permanently closing of the 

 floral envelopes, thus ensuring 

 Cleistogamy; Cleistothe'cium {OvKn, 

 a case), an ascocarp which remains 

 ' closed till decay or rupture sets free 

 the ascospores, a cleistocarp. 



Clepsy'droid (/cA.€if j'Spo, a water-clock ; 

 eUos, resemblance) Trace, a band 

 of centrifugal xylem separating into 

 halves, each having parenchyma and 

 dying-out remains of centripetal 

 xylem (Lang). 



Clest'ines (deriv, ?), large parenchyma- 

 tous cells in which raphides are 

 frequently deposited. 



Climacorhi'zae {K\7p.a^, a ladder ; piCa, 

 a root), Van Tieghem's term for 

 Gymnosperms and all Dicotyledons 

 except the >; ymphaeaceae, their 

 root-hairs having an epidermal ori- 

 gin ; climacorhi'zal, relating to the 

 Climacorhizae. 



climat'ic {KXl/xa, a climate), relating to 

 climate ; ~ Fac'tors, the elements re- 

 sulting in a stable plant formation 

 due to climate. 



cli'max {cliMiix, from K\7ixa^, a ladder) 

 Leaves, the most develojied and com- 

 plete leaves of a given plant ; ■-' 

 Vegeta'tion growth of mature age. 



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