OLEA- -ORCHIS. 



133 



chrysan'tka, (dwarf-scabish) stem slen- 

 der, minutely pubescent ; leaves lanceo- 

 late, ratber obtuse, flat, entire ; segments 

 of tbo calyx twice aj< long as tbe tube ; 

 capsule sessile ; flowers small, bright yel- 

 low. Mountains. 



incn'na, (y.) stem slender, erect ; leaves 

 flat, hoaiy and tomentose, very entire, ellip- 

 .icovate, acute ; raceme few-flowered, 

 laked ; capsules sub-sessile, oblong, quad- 

 angular. 6-8 i. 



pu'mila, (y. Jn. 2i.) smooth ; stem 

 ascending; leaves lanceolate, entire, ob- 

 tuse ; capsules obovate, angled, sub-sessile. 

 8-12 i. 



longifo'lia, (y. Au. <? .) leaves lance-ovate 

 denticulate ; stem simple, very hairy ; pe- 

 tals not in contact at the base, 2-lobed. 

 Ex. 



glan'ca, (y. 11) very glabrous ; leaves 

 broad-oval, repand-denticiilate, smooth, 

 glaucous ; capsule ovate-quadrangular, ped- 

 icelled. S. 



linea'ris, (y. Ju. 2^.) pubescent, slender ; 

 leaves linear, entire ; capsules long-ped- 

 uncled, roundish, 4-angled, villose ; corolla 

 large. S. 



ccespito'sa, (w. r. Ju. 2X-) stemless ; leaves 

 lanceolate, gash-toothed ; capsules oblong, 

 sessile; tube of the calyx long; petals 2- 

 lobed, distant. S. 



pinnatifi'da, (w. J. $ .) minutely pubes- 

 cent; stem decumbent ; radical leaves near- 

 ly entire ; cauline ones pinnatifid ; divisions 

 linear, acute ; capsules prismatic, grooved. 

 6-24 i. S. 



frasc'ri, (Ju. IX) nearly glabrous ; stem 

 near the base simple ; leaves ovate, petio- 

 late, denticulate ; racemes leafy ; capsules 

 pedicelled, obovate, quadrangular. j5). 



inner oca I-" pa, (y. Au. $ .) nearly glab- 

 rous ; stem branching ; leaves lanceolate, 

 petioled, distantly glandiilar-denticulate, 

 white-silky on the margin and nerves ; pe- 

 tals obcordate, pointed; capsules elliptic, 

 4-winged, very short pedicels. S. 



trilo'ba, (y. M. 0. 2/.) stemless; leaves 

 interruptedly pinnatifid, toothed, glabrous ; 

 petals 3-lobed at the apex ; capsules 4- 

 wiuged, large. S. 



specio'sa, (w. J. 2^.) finely pubescent ; 

 leaves lance-oblong, toothed, sub-pinnatifid; 

 raceme naked, at first nodding ; capsules 

 obovate, angled ; stem suff'ruticose. S. 



linifo'Ua, (y. J. $ .) leaves entire ; radi- 

 cal ones lanceolate ; cauline ones linear, 

 crowded ; raceme naked, terminal ; cap- 

 sule obovate, angled, pubescent; petals 

 obcordate, longer than the stamens ; stigma 

 4-lobed. S. 



serrula'ta, (y. J.) leaves linear, somewhat 

 spiuose serrate, acute ; flowers axillary ; 

 Bepals keeled ; stigma 4-lobed ; capsules 

 cylindric, erect; stem suflruticose. S. 



humifu'sa, (w.) stem prostrate, branch- 

 ing, viilo.se ; leaves lance-linear, sub-den- 

 tate or entire, silky-villose ; flowers axilla- 

 ry ; calyx villo.se ; tube longer than the 

 germ ; capsule prismatic. (S. 



suavco'lens, (y.) stem, calyx, and capsule, 

 Bub-pillose , leaves laMce-ovate, obsoletely- 



toothed ; petals large, emarginate ; cap- 

 sules elongated, furrowed, nearly uniform 

 in thickness. Cultivated. 



'noctui-"na, and viUo'sa,hoi\\ biennial plants, 

 natives of Good Hope. 



accaii'lis, [IX) a native of Chili. 



OLEA 2 — 1. (Jasmincir.) [Name fromthe 



Cellic word olea, s\gn'\(y\ng oil.] 



america'na, (American olive, w. M. Fp .) 

 leaves lanceolate-elliptic, entire ; racemes 

 compressed ; bracts all persistent, connate, 

 small. S. 



cnrope'a, leaves lanceolate, entire ; ra- 

 cemes axillary, crowded. The drupes 

 when green are used for pickles, when 

 ripe th(^y afford the oil called olive oil. 

 Ex. 

 ONO'CLEA. 21—1. {Felices.) [From ono5, a 



vessel, and klcid, to close.] 



scnsib"ilis, (sensitive fern, J. 2/.) barren 

 frond pinnate; fertile one doubly pinnate; 

 stem glabrous. The leafets slowly ap- 

 proach each other on pressing the stem in 

 the hand. 



obtusilu'ha, barren frond pinnate ; fertile 

 one doubly-pinnate ; stem scaly. 



ONOPOR"DON. 17—1. (Cinarocephalm.) 



acan"thium, (cotton thistle, p. Ju. <J .) ca- 

 lyx scaly, scales spreading; leaves ovate- 

 obk)ng, sinuate. Naturalized. Ex. 

 OwbsMO'DIUM. 5—1. (BoraginecE.) 



his"pidum, (y-w. J. 2^.) very hispid; 

 leaves lance-oval, acute, papillose, punc- 

 tate ; segments of the corolla subulate. 

 1-2 f. 



! moV'le, (w. Ju. 2X-) vv^hitish villose ; leaves 

 [ oblong-oval, somewnat 3-nerved ; segments 

 I of the corolla sub-oval. 



OPHIOGLOS"SUM. 21—1. (Filiccs.) [From 

 Ophis, serpent, and glossa, tongue.] 

 vulga'tiim, (adder-tongue fern, iX-) spike 

 cauline ; froua oblong-ovate, obtuse, closely 

 reticulate. 



bulbo'sum, (2X-) root bulbous ; frond heart- 

 ovate, obtuse ; spike cauline. 6 i. 



pusil'lum, spike cauline ; frond cordate, 

 li. S. 



OPHIQRHl'ZA. 5—1. {Gentianm.) [From 

 opkis, serpent, and riza, root, because the 

 root is used as a specific against the bite ol 

 the viper in Judea.] 



mitreo'la, ( w. Ju. 0.) leaves ovate, ses- 

 sile with the margins scarious; stem erect 

 12-18 i. S. 



lanceola'ta, (w-p. Au. 0.) leaves long, 

 lanceolate, finely serrulate, tapering at base. 

 18 i. &. 

 OPLOTIIE'CA. 15—5. {Gerania.) 



'Jiorida'na, (w. Ju.) stem erect, pubescent, 

 with tumid joints; leaves sessile, lance lin- 

 ear, scabrous above, lanuginous beneath. 

 3-4 f. 



OIl"CIIIS. 18—1. {Orchidex.) [A name de- 

 rived from the Greek.] 

 spectab'^ilis, (r. M. U-) I'P obovate, undi 

 vided, crenatc, rctuse ; petals straight ; 

 lateral ones longest ; spur clavate, shorter 

 than the germ ; bracts longer than the flow- 

 ers ; £tem leafless. 3 6 i. 



tndcnta'tu, (w- Ju. U-) I'P ovate-lanceo- 



