KEY TO THE FAMILIES AND GENERA 



127 



4. Solomon's Seal Tribe. 



A. Fls. 1-2 in the axils, rarely more, usually nod- 

 ding. 

 B. Periantn-tube cylindrical; lobes short; style 



undivided, with a small stigma 11. Polygona- 



BB. Perianth-tube 0; segms. spreading above [turn. 



or from the base; style shortly or more 



deeply 3-fid 12. Streptopus 



AA. Fls. in a terminal raceme or panicle. 



B. Floral parts in 3's 13. SmiUicina, 



BB. Floral parts in 2's 14. Mainthe- 



\mum. 



5. LUy-of-the-VaUey Tribe. 



A. Fls. racemose, nodding; perianth subglobose; 



lobes shorter than tube 15. ConvaUaria. 



AA. Fls. spicate, far apart; perianth-tube cybndri- 



cal; lobes recurved-.spreading 16. Reineckia. 



6. Aspidistra Tribe. 



A. Fls. 4-meroua; stigma very large, roundish- 

 peltate, undivided 17. Aspidistra. 



AA. Fls. 3-merous; stigma broadlypeltate, 3-lobed.l8. Rohdea. 



7. Lemon-Lily, or Hemerocallis Tribe. 



A. Fls. erect; stamens affixed at apex of tube: Ivs. 

 long and narrow. 

 B. Perianth funnel-shaped, the cylindrical 

 tube shorter than the lobes; panicles 



few-fld 19. H efuerocallia. 



BB. Perianth with subincurved segms. loosely 

 conni vent above the top-shaped tube ; 



panicles much branched 20. Phormium. 



AA. Fls. pendulous. 



B. Stamens affixed at middle of tube: Ivs. long 

 and narrow: perianth-tube swollen above; 



lobes short 21. Blatuifordia. 



BB. Stamens often hypogynous. 



c. Lva. petioled, usually broad: fls. race- 

 mose; perianth funnel-shaped; tube 



short or long 22. Funkia, 



CC. Lvs. long and narrow: fls. spicate; peri- 

 anth a long narrow tube with short 

 lobes 23. Knipkofia. 



8. Aloe Tribe. 



A. Perianth-segnis. strongly connate into a tube 

 which is swollen at the base; segms. free at 



apex ; stamens included in tube 24. Gasteria. 



AA. Perianth-segms. coherent or connivent to the 

 very apex in a tube, or barely spreading at 

 the very apex ; stamens usually exserted. - . 25. Aloe. 

 AAA. Perianth-segms. coherent or connivent, stel- 

 late-spreading at apex; stamens a little 



shorter than perianth 26. Apicra. 



AAA A. Perianth usually incurved, the segms. 

 cohering or connivent, at the apex recurved 

 and spreading somewhat as if 2-lipped; 



stamens not exceeding perianth 27. Haworthia. 



AAAAA. Perianth of Aloe, but stamens a Uttle 



shorter than the perianth 28. Lomatophyl- 



[lum, 



9. Ophiopogon Tribe. 



A. Perianth-tube long and slender; filaments 



normal 29. Sansevieria. 



AA. Perianth more or less erect or spreading above 

 the ovary; filaments shorter than the linear 



anthers; style longisli 30. Ophiopogon. 



AAA. Perianth spreading from base of ovary; fila- 

 ments about as long as the oblong anthers ... 31 . Liriope. 



10. Aletris Tribe. 

 One genus cultivated 32. Aletris. 



11. Dracaena Tribe. 



A. Ovary 1-eelled; cells 3-ovuled 33. Dnsylirion. 



AA. Ovary 3-celled. 



B. Cells 1-ovuled 34. Dracaena. 



BB. Cells 2-ovuled 35. Xolina. 



BBB. Cells oo-ovuled. 



c. Fls. racemose 36. Hespero- 



CC. Fls. panicled. [callia. 



D. Anthers small, sessile on a club-shaped 

 filament; perianth subglobose or 

 bell-shaped; segms. hardly connate at 



base 37. Yucca. 



DD. Anthers dorsifixed on normal or flat- 

 tened filaments; perianth cylindrical 

 or narrowly bell-shaped, with a .short 

 tube 38. Cordyline. 



12. Asphodel Tribe. 



Summary of Subtribes., 



A. Anthers dorsifixed, versatile. 

 B. Subtribe 1. Euasphodele.e. Plant not 

 bulbous : lvs. crowded at base of at. ; 

 cauline lvs. smaller, when present. 

 BB. Subtribe 2. Lomandrej;. Plant not bulb- 

 ous; lvs. grass-like: fls. in spikes. 

 BBB. Subtribe 3. CHLORoaALE.E. Plant bulbous: 



lvs. few. 

 AA. Anthers erect, affixed at or near the base. 

 B. Subtribe 4. Bowie.e. Lvs. few, from a 

 thick tuber or fleshy bulb, quickly van- 

 ishing before or at anthesis. 

 BB. Lvs. numerous, crowded at base of st. or 

 sometimes in Subtribe 5 arranged along 



St. 



c. Subtribe 5. Antherice-g. Lvs. not 2' 

 ranked. 

 CC. Subtribe 6. Dianelle-e. Lvs. 2-ranked. 



Subtribe 1. Euasphodeleae. 



A. Ovules 2 in a cell. 

 B. St. or scape leafless. 



c. Anthers pitted where the filament is in- 

 serted; fls. yellow 39. Asphodelus. 



cc. Anthers not pitted 40. Bulbinella. 



(Consult Chrysobactron.) 



BB. St. more or le-ss leafy : fls. usually white 41. Asphodeline. 



AA. Ovules CO in a cell. 



B. Anthers pitted; filaments glabrous 42. Faradisea. 



BE. Anthers not pitted; filaments long bearded. .43. Bulbine. 



Subtribe 2. Lomandrese. 



In cultivation 44. Xanihor- 



[rhaa, 

 Subtribe 3. ChlorogaleEe. 



A. Perianth-segms. 3-nerved. 45. Chloro- 



[galum. 

 AA. Perianth-segms. l-nerved 46. Hastingsia. 



Subtribe 4. Bowiese. 



Lvs. linear, vanishing before anthesis: bulb tuber- 

 like 47. Bowiea. 



Subtribe 5. Anthericese. 



A. Infl. clustered down among the radical lvs. on 



a very short at 48. LeucO' 



AA. Infl. on a scape, simple or with few branches, [crinum. 



racemose or spicate. 

 B. Stamens finally as long as the perianth or 



longer; raceme long, simple and dense 49. Eremurus. 



BB. Stamens shorter than perianth. 



c. Caps, with hardly prominent angles 50. AntheTicum. 



cc. Caps. 3-cornered or 3-winged 51. Chloropky- 



[tum. 

 Subtribe 6. DianellcEe. 

 Filaments fleshy or thickened at apex or middle . . 52. Dianella. 



13. Onion Tribe. 



A. Rootstock a short rhizome, with clusters of 



root-fibers 53. Agapanthus, 



AA. Rootstock a tunicated bulb or corm. 

 B. Perianth salver-shaped or urn-shaped, 

 c. Stamens 6; perianth-tube cylindrical. 

 D. Tube often crowned at throat with 

 3-6 scales; stamens included inside 



the tube in 2 series 54. Tristagma. 



DD. Tube constricted at the mouth by a 

 scarcely noticeable ring; stamens 

 exserted at mouth of tube; filaments 



very short 55. MiUa, 



cc. Stamens 3, affixed at throat. 



D. Perianth-tube subglobose, constricted 

 at mouth; stamens alternate with a 



like number of staminodes. 56. ^tropholi- 



DD. Perianth-tube broadly cylindrical, [rion. 



short ly G-saccat e at base ; stamens 

 with a like number of staminodes 

 connate into a spurious corona behind 



the anthers 57. Brevoortia. 



BB. Perianth funnel-shaped or bell-shaped; lobea 

 as long as the tube or longer. 

 c. Filaments connate into a tube; stamens 6, 

 affixed to throat. 



D. Tube about as long as lobes 58. .Andro- 



[stephium. 



DD. Tube much shorter than lobes 59. Bessera. 



cc. Filaments free, normal or very short; per- 

 fect .stamens 6 or 3, affixed to throat or 

 tube. 

 D. Pedicels articulated at apex 60. Brodixa. 



