colliculose 



Commissure 



many phanerogams which secrete 

 gum. 



collic'ulose, colliculo'sus (collicidus, a 

 little hill), covered with little round 

 elevations or hillocks. 



coniferous (collum, a collar), bear- 

 ing a collar, as the stipe of an 

 Agaric ; Colliform'e (forma, shape), 

 an ostiole, the orifice being length- 

 ened into a neck. 



coUiga'tus (Lat., fastened together), 

 collected (S. F. Gray). 



colli'nus (Lat., appertaining to a hill), 

 growing on low hills. 



Collum (Lat. neck) ; (1) the collar or 

 neck of a plant, see COLLAR; (2) 

 the lengthened orifice of the ostiole 

 of Lichens. 



Colloids (/cdXXa, glue ; eWoj, resem- 

 blance), substances of a gelatinous 

 character ; opposed to crystalloid ; 

 adj. colloidal. 



colo'nial (colonia, a band of settlers), 

 in cell-division, every cell depend- 

 ent on the other cells of the organ- 

 ism at large (Hartog) ; Col'onist, 

 H. C. Watson's term for weeds of 

 the cultivated land and about 

 houses, seldom found elsewhere ; 

 Col'ony, see COENOBIUM. 



colorific (color, colour, facio, I make), 

 applied to those Lichens which 

 yield a dye. 



Col'our, col'oured, possessing any tint 

 but green, technically white is re- 

 garded as a colour, green is not; 

 col'ourless, pale, and hyaline ; in 

 Lichens, not brown. 



Colpench'yma (K^XTTOS, bosom ; yxv,ita, 

 an infusion), cellular tissue with 

 sinuous cell-walls. 



Colum J (Lat. a strainer) = PLACENTA. 



columbi'nus (Lat.), dove-coloured; 

 sometimes used for the tint of a 

 blue pigeon. 



Col'umel (columella, a small pillar), 

 Jaccard's term for lignified tissue 

 formed in place of the fertilized 

 archegonium, it bears at its extrem- 

 ity the privileged embryo, the only 

 one which develops, as in Ephedra 

 helvetica, C. A. Mey.; Columella; 

 (1) a persistent central axis round 



which the carpels of some fruits 

 are arranged as in Geranium; (2) 

 the axis of the capsule in Mosses ; 

 (3) the receptacle bearing the spor- 

 angia of Trichomanes, and other 

 Ferns ; (4) the central portion of 

 the anther in Solanaceae (Halsted) ; 

 (5) a sterile axial body within the 

 sporangium of Fungi ; columelli- 

 fonn (forma, shape), shaped like a 

 small pillar or column. 



Col'umn, Colum'na (Lat. a pillar), the 

 combination of stamens and styles 

 into a solid central body, as in 

 Orchids ; colum'nar, columna'ris, 

 having the form of a column, as 

 the stamens of Malva. 



com, in Latin composition, a modifica- 

 tion of con, with. 



Co'ma (Lat. the hair) ; (1) the hairs at 

 the end of some seeds ; (2) the tuft 

 at the summit of the inflorescence, 

 as in the pineapple ; (3) the entire 

 head of a tree ; co'mal Tuft, a tuft 

 of leaves at the tip of a branch ; 

 co'mate, coma'tus, tufted. 



combina'te - veno'sus J (Lat.), joined 

 veins, when in a leaf the lateral 

 veins unite before reaching the 

 margin. 



comb-shaped, pectinate. 



combi'ned Hy'brids, hybrids hav- 

 ing the strain of more than two 

 species, as one arising from a 

 simple hybrid -f another hybrid or 

 species. 



Com'bus, used by S. F. Gray for COR- 

 MUS, for which it is probably a mis- 

 print. 



Com'ites (pi. of comes, a companion), 

 Hegelmaier's term for certain cells 

 occurring in the embryo-sac of 

 Lupinus. 



commen'sal (com = con, with ; mensa, a 

 table), used of two organisms living 

 in mutual beneficent relations, as 

 in the dual-lichen theory, where the 

 Fungus stimulates the host- Algae 

 to greater energy of function ; 

 Commen'salism, the state in ques- 

 tion. 



Com'missure, Commissu'ra (Lat., a 

 joint or seam), the face by which 



