KEY TO THE FAMILIES AND GENERA 



125 



BB. Ovules 2, basal, collateral; testa pale 14. Griffinia. 



BBB. Ovulea 2 or few, collateral or fascicled from 

 the center of the placenta. 

 c. Fr. baccate. 



D. Bulb imperfect: ovules several 15. C'livia. 



DD. Bulb large, tunicated: ovules 2 16. Ilsmanthus. 



cc. Fr. capsular 17. Buphane. 



BBBB, Ovulea few or many, superposed; seeds few, 

 turgid, testa green. 

 c. Fr. indehiscent or bursting irregularly. 



D. Perianth-tube long IS. Crinum, 



DD. Perianth-tube short. 



E. Segms. broad 19. ,-1 niarylHs. 



EE. Segms. narrow 20. .-1 mmoch- 



CC. Fr. a 3-valved caps. [aris, 



D. Caps, top-shaped, acutely angled 21. Brunsvigia, 



DD. Caps, globose, obtusely angled. 22. Nerine. 



Subtribe 3. Pancratie.'e. Corona 0, but stamens appendaged 

 toward base and often united into a distinct cup. 



A. Ovules superposed, many or few, 

 E. Lvs. broad, petioled. 

 c. Perianth white. 

 D. Ovary globose. 



E. Filaments with a large tooth on each 



side of the anthers 23 Calliph- 



[ruria, 

 EE. Filaments united in a distinct cup. . . . 24. Euckaris. 



DD. Ovary 3-lobed; hybrid 23. Urceoch- 



cc. Perianth colored. [am, 

 D. The perianth-tube cyUndrical, sud- 

 denly dilated 26. UrceoliTia. 



DD. The perianth subcylindricaJ; segms. 



long or short 27. Phsedran- 



BB. Lvs. linear or liguiate, sessile. [assa 



c. Perianth colored, subcylindrical ; tube 

 long; filaments united in an entire or 



toothed cup 28. Stenomesson. 



cc. Perianth white; tube funnel-shaped; 



staminal cup large 29. Pancratium. 



AA. Ovules collateral, basal, 2-6 30. Hymeno- 



AAA. Ovules medial, 2-3. [callis. 



B. Perianth funnel-shaped; segms. narrow 31. Vagaria. 



BB. Perianth with a slender tube and broad 



segms 32. Eurycles. 



2. Agave Tribe. 



A. Lvs. thick, fleshy, usually spiny at edge and 

 point. 

 B. Perianth funnel-shaped; filaments normal.. .33. Agave. 

 BB. Perianth rotate; filaments swollen on one 



side at base 34. Furcrxa. 



AA. Lvs. comparatively thin, not spiny at edge or 

 point. 

 B. Segms. short. 



c. Fls. white, in a lax, simple spike; tube 



long, cur\'ed, subcylindrical 35. Polianthes. 



cc. Fls. greenish brown in a lax raceme; tube 



abruptly curved and dilated at middle . . 36. Prochny- 

 ccc. Fls. red or white, laxly spicate or race- [anthes, 



mose; tube curved, subcylindrical 37. Bravoa. 



BB. Segms. long; tube scarcely any, 



c. Fls. greenish red, in a simple or panicled 



raceme; segms. oblanceolate 38. Beschirr- 



cc. Fls. bright red, in a capitulum or thyrsoid {i\eTia. 



panicle; segms. narrow, falcate 39. Doryanthes. 



3. Alstroemeria Tribe. 



A. Rootstock bulbous: perianth-segms. subequal. 40. Ixiolirion. 

 AA. Rootstock 0: 3 outer perianth-segms. different 

 from 3 inner. 



B. Inner segms. unequal: st. erect 41. Alstrcemeria, 



BB. Inner segma. equal: st. with runners or 



stolons 42. Bomarea. 



4. Hypoxis Tribe. 



A. Ovary often produced into a long slender beak 

 simulating a perianth-tube: fr. succulent, 



indehiscent 43. Curculigo, 



AA. Ovary not beaked: fr. a caps, usually circum- 



scissile at apex 44. Hypoxis. 



5. Conanthera Tribe, 

 Stamens, 3 only, fertile 45, Tecophilaea. 



6. Conostylis Tribe. 



Fla. irregular 46. Anigozan,' 



\tho8. 

 Also in cultivation: Anoiganthus, Calhpsyche, Cummingia. 

 Cyanella, Gethyllis. 



188. VELLOZIACE.ffi. 



A. Perianth-tube more or less extended beyond 



the ovary 1. Barbacenia, 



AA. Perianth-tube practically none 2. Vellozia. 



189. MUSACE^. 



A. Caly^ tubular, later split-spathaceous 1, Afuso. 



AA. Calyx of free sepals (lateral ones sometimes 

 adnate to corolla in Heliconia). 

 B. Fr. a caps, loculicidally 3-valved: seeds oo. 



c. Petals 2, lateral connate 2. Strelitzia. 



cc. Petals separate 3. Ravenala. 



BB. Fr. indehiscent or separating into berries, 



the cells 1-seeded 4. Heliconia. 



190. ZINGIBERACEiE. 



A. Ovary l-celled, with 3 parietal placentae 1. Glohha. 



AA. Ovary perfectly 3-celIed, or at least 3-celled 

 much above the middle; placentEe axile. 

 B. Lateral staminodes ample and petal-like. 

 c. Connective not appendaged at the base. 



D. Filament short; bracts 1-fl 2. Kaemp/eria, 



DD. Filament long; bracts l-co.fld 3. Hedychium 



cc. Connective appendaged at the base. 



D. Spur 2-fid; lateral staminodes nar- 

 rowed at base 4. Roscoea. 



DD. Spurs 2 ; lateral staminodes connate 



with the petaloid filament 5. Curcuma. 



BB. Lateral staminodes small, tooth-like or 0, 

 rarely longer, narrow and adnate to 

 labellum. 

 c. Filament short or very short. 

 D. Infl. cone-like. 



E. Anther-cells divergent at apex; con- 

 nective either short or produced 

 beyond cells into an entire or 3- 



lobed crest 6. Amomum 



EE. Anther-cells contiguous ; connective 

 produced beyond the cells into a 



long, linear appendage 7. Zingiber. 



DD. Infl. not cone-like. 



E. Connective not produced beyond 

 celts. 

 F. Anther-cells contiguous to apex. ... 8. EUttaria. 



FF. Anther-cells separate 9. Renealmia. 



EE. Connective produced beyond cells 

 into a long lanceolate, concave 



appendage 10. Burbidgea. 



cc. Filament elongated (in Costus petal- 

 hke). 



D. Infl. cone-Uke 11, Costus. 



DD. Infl. not cone-Uke 12. Alpinia. 



Also in cultivation: Bamburanta, Brachychilus, Cautlea, 

 Rhynchanthus. 



191. MARANTACE^. 



A. Ovary 1-celled after a fashion, the other cells 

 being minute and empty. 

 B. Bracts narrow, convolute, inclosing the 



rachis 1. Maranta. 



BB. Bracts and bractlets usually colored, 



spreading, long persistent 2. Stromanthe 



BBB. Bracts spreading, deciduous 3. Thalia. 



AA. Ovary usually 3-celled and 3-ovuIed. 



B. Corolla-tube usually short 4. Phrynium. 



BB. Corolla-tube usually slender and longer 5. Calathea. 



Ctenanthe is also briefly treated. 



192. CANNACEi£. 



Sole genus Camia, 



193. BROMELIACEiE. 



(Following Mez in DC. Monog. Phaner. vol. 9.) 



, Fr. a berry, indehiscent: ovary inferior: seeds 



not winged nor plumed. 

 B. Pollen-grains entire, not provided with 

 pores or a longitudinal membranous fold. 



C. Calyx without a tube or cup 1. Bromelia. 



cc. Calyx with a tube or cup 2. Cryptanthu- 



IB. PoIIen-graina furnished with pores. 



c. Infl. immersed in a central bowl of lvs. 

 and surrounded by an involucre 

 formed from the reduced inmost lvs. 

 and usually colored. 



