common 



compound 



two carpels adhere, as in Um- 

 belliferae. 



com'mon, (Lat. commu'nis), general or 

 principal, as opposed to partial ; ^ 

 Bud, containing both leaves and 

 flowers, or more than one flower ; ~ 

 Bun' dies, those which are common 

 both to stem and leaf, being con- 

 tinuous from one to the other ; 

 Calyx t = Involucre ; ~ Involu'cre, 

 that belonging to the main inflor- 

 escence, as of the general umbel; 

 ~Name, one in popular use for a 

 plant, exclusive of the scientific 

 name ; ~ Ped'uncle, the main stalk, 

 when it supports several subordin- 

 ate ones, or pedicels ; <~ Perianth, 

 occasionally used by the involucre 

 as in Compositae; ~ Petiole, the 

 first and principal leaf-stalk in com- 

 pound leaves, the secondary petioles 

 being termed " partial " ; ~ Recept'- 

 acle, that which supports more than 

 one organ; ~ Um / bel,= COMPOUND 

 UMBEL. 



commu'nis (Lat.), growing in society ; 

 not common, which is rendered by 

 vulgaris. 



co'mose, como'sws (Lat. with much 

 hair) tufted, comate. 



compact', compact'us (Lat.), closely 

 joined or pressed together. 



Companion- Cells, in Phanerogams, 

 cells which are associated with 

 sieve-tubes and are of common 

 origin, filled with granular proteid 

 contents, and possessing strongly 

 marked nuclei ; ~ Hyphae (v<f>T), a 

 web), the tip of the trichogyne of 

 Poly stigma passing through a stoma 

 into the air is accompanied by 

 slender mycelial hyphae, which 

 form a tuft, the so-called companion 

 hyphae (De Bary). 



Compa'go, pi. Compa'gines (Lat. a 

 connection), used by Wallroth in 

 speaking of the Lichen-thallus 

 when more or less brittle or readily 

 parting into layers ; compagina'tus 

 (Lat.) packed closely one over an- 

 other. 



Com'pass-plants, those which' place 

 their leaves so that their surfaces 



face east and west, the edges north 

 and south, such as Silphium lacinia- 

 turn, Linn. 



compltal (compita'lis, pertaining to 

 cross roads) in venation when the 

 veinlets angularly intersect ; also 

 when the sori are on the point of 

 junction. 



com'planate, complanaf tus (Lat. 

 levelled), flattened, compressed. 



complete', comple'tus (Lat. filled), hav- 

 ing all the parts belonging to it or 

 the type. 



Com'plex, (Lat.), interwoven fibres, 

 or group of complicated parts 

 (Crozier). coinplex'us (Lat. em- 

 braced), in vernation when a leaf is 

 folded over another at the sides and 

 apex ; ~ cellulo'sus (Lat.), = cellular 

 tissue; ~ membrana'ceus, (Lat.), 

 elementary membrane, ground- 

 tissue ;~ tubula'ris, (Lat.), woody 

 tissue, xylem;~utricula'ris (Lat.), 

 angular cellular tissue ; ~ vas- 

 cula'ris (Lat.), spiral vessels, some- 

 times used for small vessels showing 

 secondary deposits ; complexi'vus 



= COMPLEXUS. 



complicate, complica'tus (complico, I 

 fold together), folded upon itself. 



Composition, composit'io (Lat. , putting 

 together), the combination of parts 

 to form the whole, as of subordinate 

 parts to form an organ, or elements 

 to form a substance. 



com'pound, similar parts aggregated 

 into a common whole ; ~ Cor'ymb, 

 one having more than one flower to 

 each branch ; <~ Dicha'sium, that in 

 which the primary axis divides into 

 secondary dichasia ; ~ Flow'er, an 

 accumulation of florets as in the 

 Compositae, ANTHODIUM ; <~ Fruit, 

 where many distinct carpels are 

 associated, as in the mulberry ; ~ 

 Fungus-body, growth form in which 

 the thallus is constituted by the 

 coherence of separate hyphal rami- 

 fications ; ~ Hairs, branched or rami- 

 fied hairs ; ~ Inflores'cence, where 

 an inflorescence is itself composed 

 of secondary ones ; <~ Leaf, one 

 divided into separate blades 5 ~ 



