68 MISSOURI BOTANICAL GARDEN. 
Series II. Carnoso-coriaceae. 
Group 8. Geminiflorae. 
9. Aloideae. 
10. Serrulatae. 
1l. Attenuatae. 
Series III. Flexiles. 
Group 12. Viviparae. 
13. Yuccaefoliae. 
Series IV. Herbaceae. 
SYNOPSIS OF UNITED STATES SPECIES. 
* Acaulescent; perennial, from stout, evident, sometimes elongated root- 
stocks; roots fleshy; leaves loosely spreading or ascending, soft, 
thin, annual, without horny spines; flowers normally subspicate and 
solitary; stigmatic lobes spreading.— MANFREDA (Salisb.). Herba- 
ceae (Baker); Singulijflorae (Engelm.). 
+ Stamens inserted near base of tube; leaves usually green. 
A. Virernica L.— Leaves six to fifteen, green, sometimes 
marked with purple striae, very rarely spotted, 15 to 45 em. 
long, 2 to 5 cm. wide, lanceolate to oblong or spatulate, con- 
cave, a little flexuous; apex ending in a sharply narrowed 
herbaceous point; margin irregularly and obscurely serrate ; 
scape slender, 9 to 18 dm. long, upper 3 to 5 dm. or more 
floriferous ; lowest bracts almost as long as the leaves, upper 
ones much narrower and shorter; flowers shortly pedi- 
celled, greenish or brownish yellow, very fragrant, 25 to 37 
mm. long; ovary oblong; tube narrowly funnel-shaped ; 
segments linear-oblong, 10 to 12 mm. long; filaments 
much thickened upwards, and extending 20 to 25 mm. be- 
yond segments; anthers 12 mm. long; capsule globose, 15 
to 20 mm. long, including short stipe and beak, and 
nearly as wide; seeds 4 to 6 mm. in longest diam- 
eter.— Sp. Pl. (1753) 323; Jacobi, Monogr. (1864) 
174; Engelm. Trans. St. Louis Acad. iii. (1875) 301, 
Collected Writings, 306; Terr. Monogr. (1885) 13; Baker, 
Handbook of the Amaryllideae, (1888) 197.— Icones: 
Bot. Mag. ser. 1, xxix. pl. 1157; Jacquin, Icones Plant- 
