412 11. Annu^^ls; lerves more or less flrt r nd petlolate or 



lineer-terete 12 



Perennials; leaves '-essile, lenceolrte or linear-len- 

 ceolGte; stigrisis and cells of the overy and fruit 5; 

 capsule v'ith the expnnding-keels of the valves with 

 membranous nerginal v-ings at their apical part; cells 

 or en, no cell-v/ings or tubercles 38, SelosperiiOa 



12. 3tigme;s ? nd cells of the ovarjr end fruit 5; capsule 



with the expanding keels of the valves ending in 

 broad membrsnous v/ings; cells open, v/ithout cell- 

 wings or tubercles 30, '^leretum 



Stigmas ?nd cells of the ovr-vj and fruit 12-20; velves 

 of the capsule v.dth the ex^^anding-keels ending in 

 av.^ns; cells roofed vith stiff cell-wings, without a 

 tubercle at the narrow opening 27, Garpanthea 



3, Plants all perennials, except perheps one species of 26, 



Gonicosia, which may be biennial or of short duretion, and 

 one species of 42, "Sre^sia, which may be annual; leaves 

 terete, semiterete or 3-angled, rarely flattened and then 

 rather thick end fleshy, never flat and thin. To end of key. 



13. Flcnt or eacli division of it v.ithout separate spreading 



leaves, and consistinr of a small-fleshy body, entire, 

 notched or ''ith t—o separate or contiguous lobes at 

 the top, or with a closed cut-like fissure at the 

 top or on one side, separating the two short thick 

 and obtuse leaves of v;hich it is composed and which 

 normally only separate v^hen making a new grov/th or 

 in flower; rilants usually stemless or nearly so; pla- 

 centas down the centre" of the outer wall or floor of 

 the cells of the ovary end fruit. 14 



Plants with distinct, separate, ^erect, ascending or 

 spreading leaves, only in 8, ^heiridopsis do the 

 resting or younger pair of leaves persist for any 

 length of time with their flat faces closed together, 

 and then are acute and resemble the beak of a bird 18 



413 ?rom 13. Plants all with distinct erect, ascending or 



spreading leaves (to the end). 



14. Cells of the capsule oren, rvithout cell-wings; stigmas 



end cells of the inferior or oartlv superior ovary 



and fruit 4-7 ' " 15 



Cells of the capsule roofed with cell-v/ings; calyx with- 

 out any tube above the ovary, which is always inferior, 

 ivith 6-15 stjgmas and cells 17 



15. OvarT'' and fruit inferior 16 



Ovary en'', fruit partly superior. S^oh body or division 

 of the nlant ovoid or cylindric-ovoid with a small 

 fissure at the apex, minutely papulose; calyx with a 

 very short green tube above the ovrry; petals app'-rent- 



