A SYNOPSIS OF THE VEGETABLE KINGDOM. 



41 



adnate to septum ; lib- 

 erated by dehiscence of 



capsule 4. Exaccm. 



BB. Ovary 1-celIed : placeuti- 

 ferous margins of car- 

 pels more or less in- 

 truded within or even 

 touching but not con- 

 nate in the middle of 

 the cell, spuriously 2- 

 celled. (C h i r onia 



Tribe) 



c. Style often deciduous : 



anthers usually erect. 



D. Anthers spirally 



twisted finally. ...5. Erythk.i;a. 

 DD. Anthers finally re- 

 curved at apex. ...6. Sabbatia. 

 cc. Style usually persis- 

 tent : anthers versa- 

 tile, finally recurved. 7. Lisianthus. 

 EBB. Ovary 1-celled : margins 

 of carpels rarely in- 

 truded : ovules and 

 seeds affi.xed at each 

 side of the suture in 1 

 series or more or less 

 extended over the 

 parietal surface: pla- 

 centae adnate very thin. 



iSweiUa Trihe) 



C. Corolla has 1-2 pits at 

 base of each lobe. . . 

 D. Style short or scarce- 

 ly any 8. Swertia. 



DD. Style subulate 9. Fraseea. 



cc. Corolla has no such 



pits 10. Gentiasa. 



93. ASCLEPIADACE.T':. (Si-mmary of Tribes Con- 

 concerned. ) 



A. Pollen granular loosely ag- 

 gregated in 2 masses in 

 each anther cell 



(Subfamily 1. Teriploce.e.) 



Tribe 1. Pekiploce.e. Character of subfamily. 



AA. Pollen waxy, the masses 

 solitary in each anther 

 cell. (Subfamily 2. Eua- 

 sclepiadese) 



Tribe 2. Cynanche.e. Anthers tipped by a 

 membrane, which is inflexed or sometimes erect, and 

 usually hyaline, rarely opaque or petal-like: pollen 

 masses suspended, attached in pairs (one in each 

 adjacent cell of different anthers) to the corpuscle or 

 gland. 



Tribe ,3. JIarsdenie.e. Anthers usually tipped 

 by an inflexed or suberect membrane which is hya- 

 line, rarely opaque : pollinia solitary in eacii cell, 

 erect or very small. 



Tribe 4. Ceropegie.e. Anthers obtuse at apex, 

 not appendaged or rarely the connective produced: 

 pollinia solitary in the cells, erect. 



Tribe 5. Stapelie.e. Anthers like those of the 

 Ceropegiese or more incumbent abo'-e the top of the 

 stigma or subimmersed. Stems thiclt and fleshy, leaf- 

 less or with a few Ivs. at top. 



Tribe 1. PERirLOCE.E. 



A. Scales of corona distant 



from staminal tube 



B. Corolla tube short : scales 



linear or club-shaped. .1. Cryptolepis. 

 BB. Corolla large. funnel- 

 shaped : scales acumi- 

 nate or 2-fld 2. Cryptostegia. 



AA. Scales of corona close to 



stamens 



B. Corolla lobes valvate. ...3. Chlorocodon, 

 BB, Corolla lobes imbricate, . .4. Periploca. 



Tribe 2, Ctxanche.e. 



A, The outer or single crown 



either simple and com- 

 posed of 5 scales or ring- 

 shaped, adnate to the cor- 

 olla and not the staminal 

 tube or rarely adherent 



to both 



B. Stigma depressed 5. M.1CR0SCEPIS. 



BB, Stigma umljonate at apex 



or 2-beatted 6, Araujia. 



(Consult Physianthus.) 

 iA, The crown of 5 scales affixed 

 to base of corolla and 

 staminal tube : caudicles 

 of pollinia appendaged 

 with an erect fuscous 



tooth 7. OXYPETALCM. 



AAA. The crown of 5 scales 

 which are distinct, af- 

 fixed or adnate to the 

 staminal tube or the 

 back of the anthers, . , 

 B, Scales concave or hooded, 



with a ligula inside, , , 8, Asclepias, 

 BB, Scales (5 outer ones) car- 

 i n a t e-complicate a t 

 base of staminal tube : 

 the 5 scales at the apex 

 of the long staminal 

 tube, short, obtuse, 

 spreading, a 1 t e r n a te 



with anthers 9, PODOSTIGMA. 



aaaa. The outer or single crown 



affixed to the staminal 



tube, ring or cup-shaped. 



entire, lobed or parted.. 



B, Corona villous inside, .,,10, Morrenia. 



BB, Corona with ,5 scales or 



ligulip inside 11, Cynanchum, 



BBB, Corona naked inside 12. Vincetoxicum. 



EBBB, Corona of 5 short pro- 

 cesses opposite anthers 

 and 10 liguife alternate 

 with anthers in pairs,, 13, ROTHEOCKIA. 



Tribe 3. Marsdenie.!:. 



A. Corolla lobes strictly val- 

 vate 14. HOYA. 



AA. Corolla lobes usually over- 

 lapping dextrorsely 



B. Els. not pure white, urn- 

 or salver-shaped : small 



or medium-sized l.->. Marsdenia, 



BB, Els, white salver-or fun- 

 nel-shaped, large 16, Stephanotis. 



Tribe 4, Ceropegie.e. 



Corona double, aflJxed to stam- 

 inal tube 17, Ceropegia. 



Tribe 5. Stapelie.e. 



Corona double, outer spread- 

 ing, inner ol! 5 scales 18. Stapelia. 



94. APOCYNACE.E. 



A. Anther cells not appendaged 



at base 



B. Ovary entire iCnrissa 



Tribe): fls. .5-merous. .. 



c. Fr. a 2-valved capsule : 



ovary 1-celled 1. Allajianda. 



cc. Fr. a berry, indehis- 

 cent : ovary 2-celled. 



cells 1-4-ovuIed 



d. Ovules laterally affix- 

 ed : cymes terminal, 

 few-fld : spines axil- 

 lary 2. Carlssj 



DD, Ovules erect from 

 base: c,vmes axil- 

 lary dense : spines 



3, Acokantheka. 



BB, Ovary w-ith carpels dis- 

 tinct under style, (Plti- 



mciia Tribe) 



c. Calyx with several 

 glands inside or a 



ring of hairs 



D, Carpels 2-ovuied, ,,,4, Thevetia. 



