30 HANDBOOK OF AMARYLLIDETE. 



superposed ; style as long as the tube ; stigmas linear, falcate. 

 Capsule membranous, loculicidally 3-valved. Seeds many, flattened ; 

 testa black. — Monotypic. Allied to Zejjhi/ranthes, from which it 

 differs by its short hypogoeous peduncle. Habit like Gethi/llis. 



1. H. PusiLLA Herb, in Bot. Eeg. t. 1371, Zephyranthes jmsilla 

 Dietr. Sternhergia americana Hoffm. — Bulb globose, f-1 in. diam. ; 

 neck 1-2 in. long. Leaves developed in winter, narrow linear, 

 spreading. Peduncle not longer than the bulb-neck. Spathe 

 membranous, bifid, tubular in the lower half. Ovary sessile. 

 Perianth-tube 1-2 in. long, very slender, tinged with green ; limb 

 1-1^ in. long, whitish, sometimes tinged red outside : segments 

 \-\ in. broad. Filaments about as long as the anthers, which soon 

 curl up. Capsule small, subgiobose. 



Hab. Buenos Ayres and Monte Video, Sello ! Gibert ! Flowers in March. 



17. Zephyranthes Herb. 



Perianth funnel-shaped, erect or slightly inclined ; tube short or 

 elongated, often minutely scaly at the throat ; segments subequal. 

 Stamens inserted near the throat or middle of the tube, erect or 

 slightly declinate, more or less unequal ; filaments filiform ; anthers 

 linear-oblong, versatile. Ocanj 3-celled; ovules many, superposed; 

 style filiform, more or less declinate ; stigma usually trifid. Capsule 

 subgiobose, loculicidally 3-valved. Seeds flat or compressed, with a 

 thin black testa. — Rootstock a tunicated bulb. Leaves narrow, 

 usually contemporary with the flowers. Peduncle elongated, slender, 

 hollow. Spathe membranous, tubular in the lower half, bifid at the 

 apex. Flower white, red, or yellow. Capsule and seeds of Hijjpe- 

 astrum, from which it difters by its erect or suberect solitary flower 

 and monophyllous spathe, tubular in the lower half. 



Subgenus Zephyranthes proper. Flower erect ; tube short. Sta- 

 mens inserted near its throat. 

 Stigma trifid. 

 Ovary stalked. 



Perianth 2-3 in. long . . Sp. 1-3. 

 Perianth 1-2 in. long . . Sp. 4-7. 

 Perianth an inch long or less Sp. 8-14. 

 Ovary sessile . . . . Sp. 15. 

 Stigma capitate, faintly 3-lobed . Sp. 16-18. 

 (A ryijropsis Herb . ) 



Subgenus Zephyrites (Herb.). Flower slightly inclined ; tube short. 

 Stamens inserted near its throat. Style more declinate than 

 in the two other subgenera. 



Perianth 2-3 in. long . . . Sp. 19-23. 



Perianth 1-2 in. long . , . Sp. 24-29. 



Subgenus Pyrolirion (Herb.). Flowers erect; tube longer, dilated 

 in the upper half. Stamens inserted at the middle of the 

 perianth-tube Sp. 30-34. 



