LILIACEJl. 



309 



ceolate, white, with a green stripe on the back. 

 Ovary oval. p. 6. s. Fr. It. 



12. arcuatum. " L. linear, channeled. 

 Stalks of Fl. spreading horizontally ; of Fr. as- 

 cending. Bracts ovato-lanceolate, gradually 

 acuminate. Style shorter than stamens, reach- 

 ing to middle of ovary, p. 6. Grass]/ or- 

 chards. Steyer in Aust."— Koch. 



13. stachyoides. L. linear, channeled. 

 Eac. long. Stalks of Fl. spreading ; of Fi-. ad- 

 pressed. Bracts ovate, abruptly contracted 

 into a long acumen, Style somewhat exceed- 

 ing stamens, p, 5, 6. Fields. Trieste. Istr. 



C. Mowers in racemes. All Stamens vnth 

 3 teeth. 



14. nutans. L. linear, channeled. Fl. 

 secund, nodding, in a lax raceme. Stalks longer 

 than germen. Ovary ovoid, deeply umbiUcate. 

 p. 3. Meadows and fields, occ. Fr. G. It. 



15. cMorantlmin. Fl. secund, approxi- 

 mate, horizontal. Stalks half as long as ger- 

 men. Ovary oblong, obtuse, not umbilicate. 

 p. 4, 5. GraMy. Steyer in Aust. 



807. ALLIUM. 



A. Alternate Stamens with 3 lateral teeth, 

 exceeding the staminiferous one. 



i. L. solid or fistulose. Sp. 1-3. 



ii. L. membranous. Sp. 4-11. 



B. Lateral Teeth of alternate Stamens shorter 

 than middle. Sp. 12-15. 



C. Stamens all simple. 



i. Bulbs on a horizontal rhizoma. Sp. 

 16-18. 



ii. Bulbs separate. No creeping Rhizoma. 



a. L. membranous. 



* Scape included in sheath. Sp. 19. 



** Scape exsert. 



t Scape 2-edged. Sp. 20. 



ft Scape semicylindrical or 3- 

 edged, one edge being very ob- 

 tuse. Sp. 21, 22. 



ttt Scape acutely 3-edged. Sp. 

 23, 24. 



tttt Scape terete. 



% Spathe of one valve. Sp. 

 25-33. 



%\ Spathe of 2 valves. Sp. 

 34-36. 



b. L. somewhat thickened at base, and 

 channeled, flat at top. Sp. 37, 38. 



c. L. semiterete, or convex beneath, 

 and channeled. 



* Not fistulose. Sp. 39-46. 



** Fistulose. Sp. 47-50. 



No Allium has, strictly speaking, a leafy 

 stem ; but in some species the long sheathing 

 bases of the L. give it that appearance. — 

 Koch. 



A. Alternate Stamens ending in 3 cusjts, of 

 which the middle supports the anther ; la- 

 teral long, filiform. 



i. L. more or less terete. 



1. sphserocephalum. Bulb ovate, sim- 

 ple, soboLiferous. Bulbels on long stalks. 

 Scape terete, leafy at base. L. semiterete. 

 Umbel globose, without bulbs. Pet. oblong ; 

 the outer subacute. Ajither-bearing Cusp half 

 as long as filaments. Ajithers exsert. Caps, 

 ovoid, 3-edged. p. 6, 7- Ba.rren fields and 

 vjalls. m. and s. Eur. 



fi. arvense, Guss. Fl. white. 



2. margaritaceunx. Bulb ovate, sim- 

 ple. Scape leafy at base. L. terete, hoUow. 

 Spathe of 1 valve. Umbel neaiiy globose, 

 without bulbs, rather lax. Pet. lineai', obtuse. 

 Stamens exsert. Caps, tm'binate, 3-edged. 

 p. 4, 5. Staiti in Cal. Very near to A. 

 sphserocephalum. Pet. white, with a dark 

 green keel. — Bert. 



3. vineale. Bulbs simple. Scape leafy 

 at base. L. terete, fistulose. Spathe of 1 

 valve. Umbel bulbiferous. Stamens exsert : 

 the Anther-beaiing Cusp as long as filaments. 

 Pet. oblong, obtuse, b. 6, 7. Sandy mea- 

 dows and cult. 



p. descendens, KocH, ed. 1. Umbel with- 

 out bulbs. 



ii. L.flat; i.e., not terete or fistulose, linear. 



4. descendens. " Scape terete, leafy to 

 the middle. L. lineai', attenuate at top, cari- 

 nato-triquetrous. Spathe of one valve, cadu- 

 cous. Umbel many-flowered, globose, at last 

 prolonged in the middle. Pet. oblong, obtuse, 

 smooth. Stamens exsert : the Anther-beai'ing 

 Cusp as long as filaments, p. 5, 6. Hills. 

 Sic." — Pael. Joined hj Bertoloni to A. 

 sphasrocephalum. 



5. Ampeloprasum. Scape terete, smooth, 

 leafy to middle, rising fi'om the side of soUd, 

 compound bulb. Spathe of 1 valve. Umbel 



3 B 



