62 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



top anthers 



D. PeriaDtli without any 

 tube: inner seg- 

 ments small, not 

 convolute : style 



branches bifid at 



tip 21. IlEBBEBTIA. 



DD. Perianth segments 

 connivent in a cup, 

 without any spread- 

 ing blade 22. Hydkot.enia. 



DDD. Perianth .segments 

 connivent in a cup, 

 then spreading, at 

 least the outer ones. 

 E. Style branches with 

 2 petal-like stig- 

 matose crests. . . . 23. Hosieria. 

 EB. Style branches bifid. 

 F. Ditto penicillate, 

 i. e. shaped like 

 an artist's 

 brush, a dense 

 tuft of hairs... 24. Ferraeia. 

 FF. Ditto not penicil- 

 late 



G. Inner segments 

 very small ; 

 outer with a 

 large, retlexed 



blade 25. Rigidella. 



GG. Inner and outer 

 segments dis- 

 similar, vari- 

 ous 26. TiGRIDIA. 



BB. Style branches alternate 



with anthers 



c. Eootstock not a bulb or 



corm 



D. Spathes essentially 1- 



fld 



E. Peduncle short, hid- 

 den : perianth 

 with a long tube 

 and ascending seg- 

 ments 27. Crocos. 



EE. Peduncle long : peri- 

 anth segments 

 much longer than 

 the short tube. ..28. Ro.mulea. 

 / DD. Spathes usually with 

 more than one 



flower 20. Nemastylis. 



cc. Eootstock not a bulb or 

 corm : spathes usually 



more than 1-fld 



D. Perianth segments 



unequal 



e. Inner s e g m e nt s 

 shorter, conni- 

 vent : upper sta- 

 men imperfect. ..30. Diplarrhena. 

 EE. Inner segments 

 o b o vate-cuneate ; 

 outer oblong, usu- 

 ally shorter : sta- 

 mens ali perfect. .31. Libertia. 

 DD. P e r i a nth segments 



subequal 



e. Style branches flat- 

 tened and emargi- 

 nate at apex : in- 

 florescence a lax 



corymb 32. Belemcanda. 



EE. Style branches sub- 

 ulate 



F. Pedicels short: 

 clusters p a n- 



icled 33. Orthosanthos. 



FF. Pedicels long: 

 clusters termi- 

 nal, single or 

 fascicled 34. Sisyrinchium. 



145. AMARYLLIDACE.i;. 



(Key to Tribes.) 



times 6 : stem woody, 

 often branching : Ivs. 

 crowded at apex of 

 branches : peduncles 1- 

 fld. : solitary or few in- 

 side clusters of Ivs. . . .2. Vellozia Tribe. 



BB. Stamens 6 



c. Flowering stems leafy : 

 rootstock none (bulb- 

 ous in Ixiolinon), 

 with fibrous roots, in- 

 florescence a simple 

 or compound umbel. .3 

 cc. Flowering stems not 



truly leafy 



D. Inflorescence usually 

 more or less umbel- 

 late: r o o tstock a 

 tunicated bulb : Ivs. . 

 all from the root.. 4. Amaryllis Tribe. 

 DD. Inflorescence race- 

 mose, spicate or 

 panicled : rootstock 

 various : Ivs. usual- 

 ly crowded in a 

 dense basal rosette, 

 rigid or fleshy, 

 often spiny at the 

 margin. 5. Agave Tribe. 



Subfamily 1. IIypoxis Tribe. 



A. Ovary often produced into 

 a long slender beak sim- 

 ulating a perianth tube : 

 fr. succulent, indehiscent.l. CURCULIGO. 

 AA. Ovary not beaked : fr. a cap- 

 sule usually circumscissile 

 at apex 2. Hypoxis. 



Subfamily 2. Vellozia Tribe. 

 Perianth tube continuous ■ 



vary. 



.3. Barbacenia 



A. Styles often columnar and 

 shorter than the erect 



stigmas 



AA. Styles long and thread-like 

 B. Stamens usually 18, some 



1. Hypoxis Tribe. 



Subfamily 3, Alstrie.meria Tribe. 



A. Rootstock bulbous: per- 

 ianth segments subequal.. 4. Ixiolirion. 

 AA. Rootstock none : 3 outer 

 perianth segments differ- 

 ent from 3 inner 



B. Inner segments unequal : 



stem erect 5. Alstrcemeria. 



BB. Inner segments equal ; 



stem sarmentose 6. Bomarea. 



Subfamily 4. Amaryllcs Tribe. 



Subtribe 1. ConnNAT.T:. Flower furnished with a 

 crown between the perianth and stamens, which is 

 not to be contused with a stamina! cup formed bv 

 the growing together of filaments. 7. Narcissus. 



Subtribe 2. Amarylle.f. Geniiine.i;. Corona none 

 and filaments not united into a staminal cup. 



A. Anthers erect ; filaments in- 

 serted at or near the base 



of anthers 



B. Stamens epigynous : fila- 

 ments short 



c. The perianth segments 



all alike 8. LEUcojnM. 



cc. The inner segments dif- 

 ferent, permanently 



connivent n. Galanthus. 



BB. Stamens perigynous 



c. Fls. solitary. 10. Cooperia. 



cc. Fls. umbellate 11. Chlidanthus. 



AA. Anthers dorsiflxed, versatile. 

 B. Ovules many, superposed : 



testa black 



c. Fls. solitary : spatbe 

 tubular in the lower 



half. 



D. The fl. gaping, hori- 

 zontal, bright red. 3 

 lower segments con- 

 volute 12. Sprekelia. 



DD. The fls. regular, erect 



or suberect 



E. Seeds globose : fls. 

 yellow : peduncle 

 short or long 13. Sternbergia. 



