HEXANDRIA. 99 



*'* Flowers spathaceous. 



1. GAJ.ANTHUS. Perianth superior, of 6 leaves, the three inte- 

 rior ones shorter, emarginate. 



2. NARCISSUS. Perianth superior, of 6 leaves. Nectary cam- 

 panulate, petaliform, including the stam. 



3. ALLIUM. Perianth inferior, of 6 petals; petals ovate, sessile 

 (flowers umbellate). 



*** Flowers naked (Perianth single, petaloid, without a spatha). 



10. CONVALLARIA. Perianth inferior, 6-cleft. Berry 3-celled 

 Stigma 3-gonous. 



6. HYACINTHUS. Perianth inferior, tubular, 6-cleft, or G-par- 

 tite, the extremities spreading. Slam, filiform. Caps, obtusely 

 triangular. 



9. ASPARAGUS. Perianth inferior, 6-partite. Berry 3-celleu 1 . 

 Stigmas 3. 



B. NARTHECIUM. Perianth inferior, of 6 patent leaves. Seeds 

 appendiculate at each extremity, Stam. hairy. 



5. ORMTHOGALUM. Perianth inferior, of 6 leaves. Stam. di- 

 lated at the base. 



7. SCILLA. Perianth inferior, of 6 leaves, spreading, decidu- 

 ous. Stam. filiform, glabrous. Seeds spherical. 



4. TULIPA. Perianth inferior, campanulate, of 6 leaves. Style 0. 

 Seeds plane. 



#*** Flowers incomplete (Perianth single, more resembling a Calyx*). 



11. JUNCUS. Perianth of 6 leaves, glumaceous. Caps, supe- 

 rior, 3-celled, 3-valved; valves bearing the partitions down 

 their middle, to which the numerous seqds are fixed. (Leaves 

 rounded, rarely plane, glabrous.) 



12. LUZULA. Perianth of 6 leaves, glumaceous. Cap.?, supe- 

 rior, 3-celled, 3-valved; valves without partitions, 1 seed in 

 each cell, fixed to the bottom. (Leaves plane, generally pilose.) 



(Peplis Portula, Div. *. Some Polygo/m, OCT. TRIG.) 



2. DIGYNIA. 



15. OXYRIA. Perianth single, of 4 leaves, two inner ones lar- 

 ger. Nut triquetrous, with a broad winged membranous mar- 

 gin. Embryo erect, inverted. Hill, Syst. Veget. 10. p. 24. 

 De.ca.nd,. Syn. Fl. Gall. p. 194 (sub genus). Brown in App. 

 to Ross's Voyage, ed. 2. v. 2. p. 192. DONIA, Br. in Ross's 

 Voyage, ed. 1. RHEUM, IVahL Lapp. 



* According to the generally received idea of Cal. and Cor. (when the 

 covering is single), it will be hard to say whether that of the Juncl should be 

 one or the other. 



H2 



