CLASS V. ORDER II. 



41 



Clayto'nia. Calyx 2-leaved, or 2 parted, 

 the leaves valve-like ; corolla 3-petalled, 

 emargiuate ; stigma Scleft; capsule 1-cel- 

 led, 3-valved, 3 toS-seeded. (spring beauty.) 



Ceano'thus. Petals scale-like, vaulted ; 

 claws long, standing in the 5-cleft, cup- 

 form calyx; stigmas 3; berry or capsule 

 dry, 3-graTned, 3-celled, 3-seeded, 3 parted, 

 opening on the inner side. (New-Jersey 

 . tea.) 



Euon"ym us. Calyx 4 to 6-lobed, flat, 

 covered at the base by a peltate disk ; pe- 

 tals 4 or G, spreading, inserted into the 

 disk; capsule 3 to .5 celled. 



Celas'trus. Calyx 5 lobed, flat ; corol- 

 la spreading; capsule obtu.'^ely 3-angled, 

 3-celled, berry-like ; valves bearing their 

 partitions on their centres ; cells 1 or 2- 

 eeeded ; stamens standing around a glan- 

 dular 5-toothed disk; style thick; stigma 

 3-cleft; seeds calyptred or arilled. (statF- 

 tree, false bitter-sweet.) 



Pickerin"ga. Calyx small, 5-parted, in- 

 ferior ; petals 5 ; anthers sagittate ; style 

 simple ; capsule 1-celled, sub-globose, many- 

 seeded. S. 



Zi'ziPHUs. Calyx 5-cIeft; petals 5, re- 

 sembling scales, inserted into the glandular 

 disk of the calyx; styles 2; drupe 2-celled, 

 one cell often empty. S. 



Gomphre'na. Calyx 5-leaved, colored, 

 exterior one 3-leaved ; 2 leafets converging, 

 keeled ; petals 5, villose (or rather no co- 

 rolla) ; nectary cylindric, 5-toothed ; capsule 

 opening transversely, 1 -seeded ; style semi- 

 bifid, (bachelor's button.) Ex. 



Cyril"la. Calyx minute, sub-terminate, 

 5-parted ; petals 5, stellate ; stigmas 2 or 3; 

 napsule 2-celled, 2-seeded, not opening; 

 aeed ovate, attached to the summit of a col- 

 umella by a filament. 



Ga'lax. Calyx 5-parted, permanent ; co- 

 rolla twice as long as the calyx, 5-petalled, 

 affixed to the base of the stamens ; anther- 

 bearing tube, 10 cleft, the 5 shorter seg- 

 ments bearing the anthers; stigma 3-lobed; 

 capsule 3-celled, 3-valved ; seeds many, 

 affixed to the columella. 



[Seed in a beny.] 



Vi'tis. Calyx 5-toothed, minute; petals 

 ■•-ohering at the tip, hood-like, withering ; 

 stj'le ; stigma obtuse, capitate ; berry 5- 

 seeded, globular, often dioecious ; seeds 

 Bub-cordate. (grape-vine.) 



Ampelop^sis. (Cissus.) Calyx minute, 

 4 or 5-toothed ; petals 4 or 5, unconnected 

 above, caducous ; germ surrounded with a 

 glandular disk ; berry 4 or 5-seeded. 



Rham"nus. Calyx urceol ate, 4 or Scleft; 

 petals alternating with the lobes of the cal- 

 yx, or wanting ; stigma 2 or 4-clcft ; berry 

 2 or 4-celled. 



E. Floicers 5-petalled, superior. 



Ri'bes. Calyx bell-form. Scleft (some- 

 times flat) ; corolla and stamens inserted on 

 the calyx ; style 2-cleft ; berry many-seed- 

 ed, (currant, gooseberry.) 



Hede'ra. Petals oblong ; berry 5-seed- 

 ed surrounded by the calyx ; style sunple. 

 vEyropeon ivy.) Ex. 



F. Flowers incomplete. 



Ham I LTO'.MA. Polygamous ; perianth tur- 

 binate, campanulate, S-clel't ; corolla ; neo- 

 tary with the disk 5-toothed , style 1 ; stig- 

 mas 2 or 3, germ immer.«ed in the nectary , 

 drupel-seeded, enclosed in the adhei'ing ba.se 

 of the calyx, (oil nut.) 



SiPHo.NV'cHiA. Sepals 5, linear; necta- 

 ries 5 ; style filiform; utricle 1 -seeded, en- 

 clo.sed in the calyx. 



Th e'siu.m. Perianth 4 or Scleft ; .stamens 

 4 or 5, villous externally ; nut 1-secded, cov- 

 ered by the persistent perianth, (false-toad 

 flax.) 



Any'chia. Sepals 5, united at the base, 

 .slightly concave, sub-saccate at the apex ; 

 sub-mucronate on the back ; petals none ; 

 .stamens 2 to 5 ; inserted on the base of the 

 .seijals ; .styles very short, distinct, or united 

 at the base ; utricle enclosed in the calyx ; 

 1-seeded. 



Glau.x. Calyx campanulate, 5-lobed, col- 

 ored ; capsule globose, 5-valved, 5-seeded. 

 suiTOunded by the calyx. 



Celo'sia. Sepals 3, like a' 5-petallcd co- 

 rolla ; stamens united at the base by a plait- 

 ed nectary ; capsules opening horizontidly ; 

 style 2 or 3-cieft. Ex. 



order II. digynia. 



A. Corolla 1-petalled, infenor. 



Gentia'n'a. Cah^x 4 or 5-clcft ; corolla 

 ^vith a tubular base, bell-fonn,without pores, 

 4 or 5-cleit ; stigmas 2, sub-sessile ; capsule 

 1-celled, oblong ; columellas 2, longitudinal ; 

 stamens but 4, ^vhell the divisions of corolla 

 are 4. (gentian.) 



Cuscu'ta. Calyx 4 or 5-cleft; corolla 4 

 or Scleft, sub-campanulate, -withering ; cap- 

 sule 2-celled, dividing transvei-sely at the 

 base ; seeds binate. (dodder.) 



Gelskmi'num. Calyx email, 5-leaved; 

 corolla funnel-fonn ; border spreading, 5- 

 lobed, nearly equal ; capsule 2-celled ; seeds 

 flat. 



Hydro'lea. Calyx 5-petalled ; corolla 

 wheel-foiTQ, or bell-form; anthers cordate; 

 style long, diverging ; stigma peltate ; cap- 

 sule 2-celled. IS. 



D iCH on"dra. Calyx 5-parted, with spat- 

 ulate segments ; corolla short, bell-form, 5- 

 parted ; stigma peltate, capitate ; cap.sule 

 compressed, 2-celled, 4-seeded. S. 



Evol"vulus. Calyx 5-pai-tcd ; corolla 

 bell-form ; styles 2, 2-cleft ; stigma simple. 



Swer"tia. Corolla rotate, with 2 pores 

 at the base of each segment. 



B. Corolla Spetallcd. 



Pa'nax. Polygamous, umbellcd; involu- 

 crum, many-leaved ; calyx 5-toothed. in the 

 perfect flower, superior ; beny cordate, 2 or 

 3-seeded ; calyx in the stamiilate flowcj- eu 

 tire, (ginseng.) 



Heuche'ra. Calyx inferior, S-clefl; co- 

 rolla on the calyx ; petals small ; capsule 2- 

 beaked, 2-celled, many-seeded, (alum-root.) 

 C. Corolla wantinir. 



Salso'la. Perianth inferior, 5-cleft, per 

 si.sti'ul. enveloping the fruit with its base. 



