mOSCOBEACEiE. (YAM FAMILY.) " 777 



reflexed, marked with a green stripe along middle line ; teeth of croAvn 

 13, triangular, acute, shorter than lobes — October — Sands of coast. 



ft. P. parviflorum, Dec. If .;j to .4. Leaves appearing o/T^;- 

 flowers, linear, .01 broad, deep-green loith a icMte land along middle^ 

 recurved, about as long as scape. Spathe 3-valved, lanceolate, two- 

 thirds as long as flowers; flowers 4-10 in spathe, .05 long, pedicels 

 longer than ovary; tube of pcrigonium about as long as limb, slender; 

 lobes linear-lanceolate, spreading; teeth of crown 12, linear-lanceo- 

 late, half as long as lobes; anthers exserted from throat — October to 

 December — Fissures of rocks and w^alls along coast. 



•& 



3. P. ^ickeiibergevi, Asch. et Schweinf. 2f ■Aixtuldn. .3 to .4. 

 Leaves appearing after flowers, glaucous, linear, contorted, .005 to .008 

 broad, somewhat longer than scape. Spathe 3-valved, narrowly lan- 

 ceolate, a little longer than ovary; flowers 4-8 in spathe, .00 to .08 long; 

 pedicels somewhat shorter than ovary ; tube of perigonium slender, ttco- 

 thwd& as long as limb ; lobes lanceolate, the outer acutish, the inner 

 retuse ; teeth of crown much shorter than lobes, short-ovate, bifid into 

 triangular, acute toothlets ; filaments longer than crow^n, shorter than 

 lobes — October — Sands of southern deserts, and around Dead Sea. 



5. IXIOLIRIOIV, Fiscji. Ixioliiuon. 



Perigonium funnel-shaped, divided nearly to ovary into 6-lobes. 

 Stamens 0, inserted at base of lobes, included; filaments subulate; an- 

 thers straight, perforated at base for reception of filament. Ovary :{- 

 celled, cells 00 -ovuled ; style filiform ; stigmas 3, short-filiform, spreVl- 

 ing-revolute. Capsule oblong-club-shaped, tapering at base, loculici- 

 dally 3-valved. Seeds ovate-oblong — Perennial herbs with scarious- 

 coatcd bullis, and handsome, blue flowers, and leafy stems. 



1. iiLOlUaiiuiu, Lab. 11 .3 to .(i; stem flexuous, ending in a 

 loose panicle. Peduncles axillary, stilT, 1-2-flowered: pedicels as long 

 as flowers or shorter, the terminal flowers often somewhat corymbose. 

 Leaves linear, .005 to .008 broad, the upper tapering, longer than 

 axillary flowers. Perigonium .05 long, blue, funnel-shaped from base, 

 divisions oblong-linear, tapering at base, 3-nerved, the ovter long- 

 mucronate, t\iQ \\m.GX obtuse — Spring- Hillsides and fields; coast to 

 subalpine regions and interior plains. 



Okder CIX. DIOSCOREACEi*:, K. IJr. (Yam F.a.milv.) 



Plants icith tpy'tniny steriis.from lanje^ tuberous roots or 

 hiotted root-stocks^ and rMed and netted-ucincd, 2)etioled 

 leaves^ small ^ dicecious, G-androus, rcfjular flon^ers^ until the 

 (S'Cleft^ calyx-like ]}er{c)oniu)n adherent in tlie fertile plant to 

 the Z-celled ovary. Styles 3, distinct ■ — Tube of staininate 

 corolla very short. Anthers fixed by the base of tlieir dorsal 

 aspect, introrsely dehiscent. Cells (jf ovary i^-l -ovuled. 

 Ovules anatropous, suspended at the inner angle. Fruit (in 

 ours) a ':>-, or, by abortion, 1-colled berry, with glu])ular scods; 

 Embryo minute, situated in a cavity near the umbilicus. 



101 



