ILLUSTRATIONS OF INDIAN BOTANY. 



97 



•**• Florets of the ra]f 1 $eries. Pappus of the ray 

 and disk different. 



22. Stenactis (Nees, D. C. 5-298). Capitula many- 

 flowered ; those of the ray 1 series, female, narrow ligu- 

 late; of the disk hermaphrodite, 5-toothed, Achaenia 

 oblong, compressed. Pappus of the ray 1 series, setace- 

 ous, of the disk double, the exterior short, interior like 

 the pappus of the ray.— Erect herbs with alternate 

 leaves, Capitula solitary on the apices of the branches. 

 Scales of the involucre 2-3 series. Receptacle naked, 

 plain or convex. Ray florets white, or pale purple; 

 disk yellow. Nepaul, Himalayas. 



«#**# 



Florets of the ray 1 series. Pappus squamulate. 



23. AsTEROM-EA (Blume, D. C. 5-302). Capitula 

 many-flowered ; ray 1 series, female, ligulate ; disk her- 

 maphrodite. Stigmas of the disk lanceolate. Aclia;nia 

 4-ribbed, somewhat compressed, attenuated at the base, 

 somewhat glandulose, hairy. Pappus 1 series, united 

 at the base, setaceously cleft at the apex. — Erect, glab- 

 rous herbs, with alternate leaves. Capitula solitary on 

 the apices of the branches. Involucre 2 series ; scales 

 herbaceous at the apex. Ligulae blue or white ; disk 

 yellow. Java. 



****** Florets of the ray 1 series. Pappus crown-likt 

 or wanting. 



24. MrRTACTis (Less. D. C. 5-^08, R. W. Icon. 109J4. 

 Capitula heterogamous ; flowers of the ray 2 or many 

 series, female ; ligula very narrow; of the disk herma- 

 phrodite. Achasnia compressed, beakless, often glan- 

 duUferous at the apex. Pappus none. — Erect, dichoto- 

 mously raraous herbs with alternate leaves. Peduncles 

 long, 1-cephalous, paniculate. Capitula globose. In- 

 volucre 1-2 series. Receptacle naked. Florets white 

 or yellow. Himalayas, Neilgherrles. 



Div. III. Chrysocome-£. Receptacle naked, alveolaie, 

 or fimhrUiferoiLS, Capitula yellow either homosamovs 

 with all the florets tubiUar^ hermaphrodite ; or radiate, the 

 ray florets ligidalcy female or neuter. 



Ray florets several series. 



25. PsiADiA (Jacq. D. C. 5-318). Capitula heteroga- 

 mous, at first sight discoid though truly radiate, ray 

 florets several series, very short ; disk hermaphrodite 

 or male by abortion, 5-toothed. Achaenia of the ray 

 oblong, glabrous, beakless. Pappus uniform, 1 series. — 

 Shrubs with alternate petioled leaves and corymbose 

 inflorescence. Involucre several series, imbricated. 

 Receptacle sub -alveolate. Moluccus, Mauritius. 



2G. MicROGLossA (D.C. 5-320, Frivalia EndL). Dif- 

 fers from the preceding in the disk florets which are 

 3-5-cIeft,male. — Suffiuticose, erect or somewhat voluble. 

 Leaves alternate. Inflorescence corymbose. Pappus 

 reddish. [I can see no satisfactory reason for separat- 

 ing this from the preceding.] Java, Penang, Moluccas. 



%* 



Ray florets 1 series. 



oblong, slightly compressed, villous or pubescent ; \h% 

 villi sometimes simulating an exterior pappus. Pappus 

 1 series, setaceous, rigid.— Perennial, erect herbs, with 

 alternate leaves and corymbose capitula. Involucre 

 imbricated. Receptacle alveolate. Flowers all yel- 

 low. Khassia, Nepaul, Ceylon. 



igfJtfno 



monjoicous 



27, Amphirhapis (D. C. 5-343). Capitula radiate; 

 i^uia 10-20, homochromous (same colour as the disk); 



disk florets 5-toothed, hermaphrodite. Achsenia linear 



Sub-tribe 11. Bacchauid^. Capitula h 

 or dioitous, never radiaie, all the florets tubu 

 several series of female ones in the circumference. Jinihers 

 ecaudate, receptacle epaleaceous. Leaves alternate. 



Div. I. CoNYZK^. Capitula heterogamous 



capitulcL numerous^ congested into a Sphftrical , 



sessile in the axils of the bracts. 



28. Blepharsipermum (Wight Herb. D. C. 5-3G8, 

 R. W. Icon. 1092-93). Capitula 4-flowered, numerous, 

 combined into a globose glomerulus. Flowers tubular, 

 2 exterior female, 3-toothed ; 2 interior male, 5-toothed. 

 Style not exserted, scarcely bifid. Anthers apiculate, 

 sub-caudate at the base. Achaenia oboval-oblong, com- 

 pressed, subtetragonous; two of the angles nerve-like, 

 -labrous, 2 marginal, ciliate. Pappus of the female 



3wers 3-5 palae ; of the male none. — Glabrous shrubs, 

 leaves alternate. Glomerules globose, one or more on 

 the ends of the branches. Involucre double. Recep- 

 tacle of the capitula narrow, with a palea between the 

 flowers- Coiutallum, Mysore, Wynaud. 



29. Athkoisma (D. C. 5-368), Capitula numerous, 

 combined into an ovate glomerulus. Axis of the glo- 

 merule cylindrical Capitula several-flowered, hetero- 

 gamous, 4-5 exterior flowers female, slender, 4-5-tooth- 

 ed; central ones few, male, wider above, 5-toothed. 

 Achaenia black, obcompressed oval, plano-convex, the 

 marginal angle ciliate near the apex. Pappus sparing, 

 sub-setose. — Erect, ramous herbs, suffruticose at tlie 

 base; leaves alternate. Receptacles of the capitula 

 bearing numerous concave membranaceous paleae 

 among the flowers. Involucre few-leaved, scarcely 

 distinguishable from the paleae of the receptacle. 

 Martaban at Tragla. 



30. Sphjeramthus (VailL D. C. Prod. &-369, R. W. 

 Icon. 1094). Capitula heterogamous, several-flowered, 

 densely aggregated into a globose glomerulus. Flowers 

 all tubular; females thickened at the base, 3-dentate, 

 several series in the circumference; males, by abortion 

 of the style, in the centre, 5-toothed. Style in the cen- 

 tre florets undivided. Achaenia beakless, pilose. Pap- 

 pus none. — Herbs, with decurrent leaves, winged or 

 wingless one-cephalous peduncles. Glomerules dense. 

 Scales of the partial involucre numerous, 2-3 series. 

 Partial receptacle naked, general bracteolate, flowers 

 purple. A common plant in rice fields and other low, 

 wet grounds. 



31. Oligolepis (R. W. Calcutta Journal, not Cassini, 

 R. W. Icon. 1149). Capitula numerous, heterogamous, 

 about 5-flowered. Florets all tubular; females few 

 (about 4), 1 series, pedicelled, slender, 3-dentate in the 

 circumference; hermaphrodite in the centre, solitary, 

 sessile, 5-toothed, sub-campanulate. Style in the central 

 flower undivided. Achaenia beakless, of the females 

 terete, hairy, of the disk, obsoletely 4-sided, glabrous. 

 Pappus none. — Glabrous herbs with decurrent, spathu* 

 late leaves, and dense, ovale oblong, axillary glomerides. 



