214 GLOSSARY AND INDEX, 



Oculate, with eye-shaped markint?. 



Officinal, used in medicine, therefore kept in the stiops. 



Offset, short brandies next the ground wliich take root, 40. 



Oides, termination, from tlie Greek, to denote likeness; so Dianthohles, Pink-like. 



Oleraceous, esculent, as a pot-herb. 



Oligos, Greek for few; thus Oliyanthous, few-flowered, &c. 



Olivaceous, olive-green. 



Oophoridium, a name for spore-case containing macrospnres. 



Opaque, applied to a surface, means dull, not shining. 



Operculate, furnished with a lid (Opereulum), as the spore-case of Mosses, 10-3. 



Opposite, said of leaves and branches when on opposite sides of the stem from each 



other (i. e. in pairs), 29, G8. Stamens are opposite the petals, &c., when they 



stand before them. 

 Oppositifolim, situated opposite a leaf. 

 Orbicular, Orbiculate, circular in outline, or nearly so, 52. 

 Order, group below class. 178. Ordinal names, 180. 

 Organ, any member of the plant, as a leaf, a stamen, &c. 

 Organography, study of organs, 9. Organogenesis, that of the development of 



organs. 

 Orgyalis, of the height of a man. 

 Orthos, Greek for straight; thus, Orthocarjwus, with straight fruit; Orthosticlious, 



straight-ranked. 

 Orthotropnus (ovule or seed), 111. 

 Osseous, of a bony texture. 



Outgrowths, growths from the surface of a leaf, petal, &c. 

 Oval, broadly elliptical, 52. 



Ovary, that part of the pistil containing the ovules or future sefeds, 14, 80, 105. 

 Ovate, shaped like an egg, with the broader end downwards; or, in plain surfaces, 



such as leaves, like the section of an egg lengthwise, 52. 

 Ovoid, ovate or oval in a solid form. 



Ovule, the body which is destined to become a seed, 14, 80, 105, 110. 

 Ovuliferous, ovule-bearing. 



Palate, a projection of the lower lip of a labiate corolla into the throat, as in Snap- 

 dragon, &c. 



Palea (plural /^ri^ere), chaff; the inner husks of Grasses; the chaff or bracts on the 

 receptacle of many Composita?, as Coreopsis, and Sunflower. 



Paleaceous, furnished with chaff, or chaffy in texture. 



Paleolate, having Paleulm or paleaj of a second order, or narrow palea;. 



Palet, English term for palea. 



Palmate, when leaflets or the divisions of a leaf all spread from the apex of the 

 petiole, like the hand with the outspread fingers, 57. 58. 



Palmately (veined, lobed, &c.), in a palmate manner, 51, .56. 



Palmntijid, -lobed, -sect, palmately cleft, or lobed, or divided. 



Piiludiise, inhabiting marshes. Palustrine, same. 



Panduriform, or Pandurate, fiddle-shaped (which see). 



Panicle, an open and branched cluster, 81. 



Panicled, Paniculate, aiTanged in panicles, or like a panicle. 



Pannose, covered with a felt of woolly hairs. 



Papery, of about the consistence of letter-paper. 



PapiHon'iceous, butterfly-shaped; applied to such a corolla as that of the Pea, 91. 



Papilla (plural papillce), little nipple-shajied protuberances. 



Papillate, Papillose, covered with papilhe. 



Pappus, thistle-down. The down crowning the achoninm of the Thistle, Groundsel, 

 &.C., and wliatever in Compositaj answers to calyx, whether liairs, teeth, or 

 scales, 121. 



Papyraceous, like parchment in texture. 



Parallel-veined or nerved (leaves), 50. 



