166 



XIII. POLYANDRIA. 



1. MONOGYNIA. 



* Petals 4. 



4. PAPAVER. Cal. 2-leaved, caducous. Pel. 4. Stigma ra- 

 diated. Caps, superior, discharging its seeds by pores under 

 the permanent stigma. 



2. CHELIDONIUM. Cal. of 2 leaves, caducous. Pet. 4. Stigma 

 2-lobed. Pod superior, linear, 1 -celled, of 2 valves. Seeds 

 numerous, crested, free. 



3. GLAUCIUM. Cal. of 2 leaves, caducous. Pet. 4. Stigma 

 2-lobed. Pod superior, linear, 1-celled, of 2 valves. Seeds 

 numerous, dotted, imbedded in a spongy substance, which fills 

 the pod. 



}. ACTJGA. Cal. of 4 leaves, caducous. Pet. 4. Berry 1-celled. 

 Seeds numerous, plane. 



** Petals 5. 



8. CISTUS. Cal. of 5 leaves, 2 smaller than the rest. Pet. 5. 

 Cops, superior, with 3 valves and many seeds. 



7. TILIA. Cal. 5-partite, deciduous. Pet. 5. Pericarp coria- 

 ceous (Nut, Decand.), 5-celled, without valves \ cells 2-seeded 

 (sometimes only 1 cell and 1 seed) . 



** Petals numerous. 



5. NYMPHLEA. Cal. of 4 5 leaves. Pet. numerous, inserted 

 upon the germen beneath the stamens. Berry many-celled, 

 many-seeded. Hort. Kew. ed. 2. 



6. NUPHAR (5m.). Cal. 5 Cleaves. Pet. numerous, inserted 

 as well as the stam. upon the receptacle. Berry superior, 

 many-celled, many-seeded. Hort. Kew. ed. 2. 



2. PENTAGYNJA. (Styles 2 6.) 



9. AQUILEGIA. Cal. (Cor., Sm.) of 5 leaves, deciduous, coloured. 

 Pet. (Nectaries, Sm.) 5, terminating below in a horn-shaped 

 spur or nectary. 



10. STHATIOTES. Spatha of 2 leaves. Cal. 3 -cleft. Cor. of 3 

 petals. Berry inferior, angular, with 6 cells, many-seeded. 



(Reseda Luteola, DODEC. TRIG. Helleborus, Ord. POLYG.) 



3. POLYGYNIA. 



* Pericarps indehiscent, \-seeded. 



13. THAUCTRUM. Cal. (Pet., Sm.) of 4 5 leaves. Pet. none, 

 Pericarps without awns (ecaudate). 



