GLOSSAEY. 



Order ( Ordo). Group between genus (or 

 tribe) and class; 328. 



Ordinal. Relating to orders. 



Organogeny (Organogenesis). The for- 

 mation or early development of or- 

 gans ; 2. 



Oryanoyraphy, Oryanoloyy. The study 

 of organs and their relations; 2. 



Organs of Vegetation, 11. 



On/ydlis. Six feet high, or of the height 

 of a man. 



Ornithophilous. Said of flowers which 

 are habitually fecundated by pollen 

 brought by birds; 217. 



Orthoploceus. Said of an embryo when 

 incumbent cotyledons are folded 

 around the radicle, as in Mustard. 



Orthos, Greek for straight; whence com- 

 pounds such as the following 



Orthostichies. Vertical ranks ; 121. 



OrtJiostichous. Straight-ranked. 



Ortkdtropous (-us), Orthotropal. De- 

 notes an ovule or seed with straight 

 axis, chalaza at the insertion, and ori- 

 fice at the other end ; 277. Has been 

 applied to an embryo with radicle 

 pointing to the hilum; 312. 



Os (oris). The mouth or orifice. 



Osseous (-us). Of the texture of bone. 



Ossiculus. A little stone, same as Pyrena. 



Ostiolate (-atus). Furnished with a small 

 orifice or little door (Ostiolum). 



Outgrowths, 209. 



Oml ( Oval-is). Broadly elliptical; 95. 



Ovary (Ovarium). The ovuliferous part 

 of a pistil; 166. 



Ovate (Ovatus). Of the shape of the 

 longitudinal section of a hen's egg, 

 the broader end basal; 95. Used also 

 for an egg-shaped solid. 



Ovoid ( Ovoideus). Used either for solid 

 ovate or solid oval, more properly for 

 the latter. 



Oculate (-atus), Ovuliferous. Bearing 

 ovules. 



Ovule, Ovulum. The body in the flower 

 which becomes a seed; 166, 276. 



Pagina. The surface of any flat body, 



such as a leaf. 

 Palaceous (-eus). When the edges, as of 



a leaf, are decurrent on the support. 

 Palate (Palatum). A projection in the 



throat of a personate gamopetalous 



corolla; 248. 

 Palea. A chaff, or chaff-like bract, such 



as the chaffy scales on the receptacle 



of the head in many Composite ; also 



an inner bract or glume in Grasses; 

 142. 



Paleaceous (-eus). Chaffy ; furnished 

 with paleifi; or chaff-like in texture. 



Paleola. A diminutive palea, or one 

 of a secondary order ; one of the 

 names of the Lodicule or Squamella 

 in Grasses. 



Palculate (-atus). Furnished with pale- 

 olse. 



Palets (Pales of some English botanists). 

 Same as Palese; 142. 



Palmdris. A palm's breadth or length; 

 i. e. equalling the breadth of the four 

 fingers of the palm. 



Palmate (-atus). Lobed or divided 

 so that the sinuses point to or reach 

 the apex of the petiole or insertion; 

 101. 



Palmately (Palmatim or Palmati-). In 

 the palmate manner. 



Ptilmately veined, 93. 



Palmatijid (-idus), Palmatilobate, Pcl- 

 matistct). Palmately cleft, lobed, in- 

 divided. 



Palmineroed. Palmately nerved ; 93. 



Pdludose (-osus), Palustrine (Palustrtf 

 or Paluster). Inhabiting marshes. 



Pdndurate (-atus),Panduriform (-omits* 

 See Fiddle-shaped. 



Panicle (Panicula). A loose compound 

 flower-cluster, such as is produced by 

 the branching of a raceme, or the ir- 

 regular branching of a corymb ; 150. 



Panicled, Paniculate (-atus). In a pani- 

 cled manner or borne in a panicle. 



Pannosus, Panniformis. Having the ap- 

 pearance or texture of felt or woollen 

 cloth. 



Papery, Papyraceous. Having the text- 

 ure of paper. 



Papilionaceous (-eus). Butterfly-like; 

 applied to a peculiar polypetalous 

 corolla ; 184, 246. 



P pillar (-aris), Papillose (-osus), Papil- 

 late (-atus). Bearing or resembling 

 papillae, minute nipple-shaped projec- 

 tions. 



Pappiferous (-us), Pappose (-osus). 

 Bearing a pappus. 



Pappus. Thistle-down; thence applied 

 to various hairy tufts on akenes or 

 fruits ; and thence to any production 

 or structure which takes the place of 

 the limb of the calyx on the akenes of 

 Composite; 192, 295. 



Papuliferous (-;), Papulose (-osut) 

 Covered with Papulae, or small pirn- 

 pies 



