SYNGENESIA. 



(40) 



GYNANDFJA. 



POLYMNIA Calix, exterior four or five leaved, interior ten- 

 leaved, the leaflets concave; down none; receptacle 

 chaffy. " 



ERIOCEPHALUS Receptacle woolly ; seed-down none; calix 

 of ten equal leaves ; florets of the radius five, inversely 

 heart-shaped. 



FILAGO, Cotton or Cud Weed Receptacle cylindrical, clothed 

 with the calix scales ; seed-down none ; female florets 

 among the calix scales; hermaphrodite ones four-cleft, in 

 the disk. 



MICROPUS Calix calicled; ray of the corolla none; female 

 florets wrapped up in the calicine scales ; down none ; 

 receptacle chaffy. 



BALTIMORA Calix cylindric, many-leaved; ray of the 

 corolla five-flowered ; down none ; receptacle chaffy. 



HIPPIA, Shrubby Tanscy Calix hemispherical, subimbri- 

 cate ; corollets of the ray ten, obsolete, subtrifid ; seeds 

 with a broad margin, naked ; down none ; receptacle 

 naked. 



AMBROSIA. See Monacia Pentandria. 



CHAPTALIJ Calix subimbricated, many-leaved; feminine 

 florets of two kinds, in two series, external radiate, in- 

 ternal naked ; discal florets bilabiate ; receptacle naked ; 

 pappus capillary. 



GYMNOSTYLES Calix many-leaved, the leaflets disposed in 

 a single order; feminine florets apetalous ; seeds com- 

 pressed, partly toothed at the summit, awned with the 

 persistent style. 



PARTHENIUM Calix five-leaved; rays very small; recep- 

 tacle paleaceous, minute; exterior scales dilated; seed 

 obovate, minutely three-awned. 



TRIXIS Corollets of the ray trifid ; seeds hairy at the tip, 

 without any down ; receptacle chaffy. 



UNXIA, Balsam Weed Calix five-leaved, leaflets ovate; 

 florets of both disk and ray five ; seed-down none ; recep- 

 tacle naked, flat. 



WEDELIA Receptacle chaffy ; seed-crown of from five to 

 ten teeth; calix simple, of four or five leaves. 



5. POLYGAMIA SEGREGATA. 



(In this Order, the florets are enclosed within one common 

 calix; each having, besides, a separate cup of its own; 

 the whole forming one compound flower.) 



ELEPIIANTOPUS, Elephant's Foot Partial calix with four or 

 five tubular florets, all perfect; receptacle naked ; down 

 bristle-shaped. 



(EDERA Calices many-flowered ; corollets tubular ; her- 

 maphrodite with one or two female ligulate florets ; recep- 

 tacle chaffy; down of several chaffs. 



SPJERANTHUS, Globe Flower Calix eight-flowered; corolla 

 tubular, hermaphrodite, and indistinctly female ; recep- 

 tacle scaly; seed one, oblong. 



ECHINOPS, Globe Thistle Calix one-flowered ; corolla tubu- 

 lar, hermaphrodite ; receptacle bristly; down obscure. 



GUNDELIA Calix scarcely any, five-flowered; corolla tubu- 

 lar, male, and hermaphrodite ; receptacle chaffy ; down 

 none. 



STOEBE Calix one-flowered ; corolla tubular, hermaphro- 

 dite ; receptacle naked ; down feathered. 



JUNGIA Calix, common three-flowered; receptacles chaffy; 

 florets tubular, two-lipped ; outer lip ligulate, inner two- 

 parted. 



CRASPEDIA Calicle none; calix imbricate; florets in 

 depressed bundles, all hermaphrodite, tubular; down 

 feathery; receptacle chaffy. 



ENYDRA Common calix of four leaves; partial, of one leaf 

 rolled up into a tube, single-flowered ; corollets all tuba- 

 lar, those of the radius three-cleft ; receptacle naked ; 

 down none. 



ROLANDRA Common calix none; perianth two-valved, 

 single-flowered ; florets hermaphrodite ; seed with a toothed 

 crown. 



SERIPHIUM Calix double, imbricate; corolla one-petalled, 

 regular; seed one, oblong, below the corolla. 



SHAWIA Calix imbricate, with five or six scales, three in- 

 terior larger; corolla tubular, five-cleft; seed one, oblong. 



TETRANTHUS Calix, common four-flowered; perianth pro- 

 per one-leafed ; seed one, crowned. 



6. MONOGAMIA. 



(This Order consists of such plants as have their anthers com- 

 bined, the flowers being simple. The order is now gene- 

 rally abolished, and the plants which compose it, are re- 

 moved to the class Pentandria, order Monogynia.) 



STRUMFIA Calix five-toothed, superior ; corolla five-petal- 

 led ; berry one-seeded. 



CORYMEIUM Calix two-leaved, one-flowered, prismatic; 

 corolla one-petalled, regular; seed one, below the corolla, 

 woolly. 



JASIONE, Sheep's Scabious Calix, common ten-leafed; co- 

 rolla five-petalled, regular; capsule inferior, two-celled. 



LOBELIA, Cardinal Flower Calix five-cleft; corolla one- 

 petalled, irregular; capsule inferior, two or three celled. 



IMPATIENS, Balsam Calix two-leaved; corolla five-petal- 

 led, irregular, with a cowled nectary; capsule superior, 

 five-valved. 



BARRERIA Calix five-toothed, very small ; corolla five- 

 parted; style short; stigma trifid. 



CLASS XX. OrYWANDRIA. 



Consisting of Plants whose Stamens grow upon the Pistil 

 itself, cither on the Style or Geriueu ; and the Orders de- 

 pend upon their number. 



1. MONANDRIA (One Stamen.) 



EPIDENDRUM, Vanilla Calix leaves spreading; lip tubular 



at the base, attached to the forepart of the style, destitute 



of a spur; anther a terminal lid, deciduous. 

 LISTERA, Tway-blade Calix spreading; nectary without a 



spur, not embraced by the calix; petals spreading; 



column without a border. 

 EPIPACTIS Calix leaves direct, slightly spreading; lip 



without a spur; anther a terminal permanent lip; pollen 



powdery, granulated. 

 ACERAS, Man-Orchis Calix converging; nectary plane, 



without a spur. 



2. DIANDRIA (Two Stamens.) 



ORCHIS, Butterfly Flower Nectary a horn or spur behind 



the flower, 

 SATYRIUM, Lizard Flower Nectary scrotiform, or twin, 



inflated behind the flower. 

 OPHRYS, Ladies' Traces, Sfc. Nectary somewhat keeled 



underneath. 

 SERAPIAS, Hekborine Nectary ovate, gibbons, with an 



ovate lip. 



