334 



POLEMONIACEiE: 



cordate, polished, spotted with purple ; -flowers an inch across, 

 yellow, and fringt-d. — Ditches communicating with the Thames, 

 and elsewhere in the south ; rare, — Fl. July, August. Perennial. 



Ord. LI. Poi,h:,\ioniacb.«. — The Jacob's Ladder Family 

 A small Order of herbaceous plants, often with showy flowers, 

 mostly natives of the western temperate parts of America, and 



unknown within the Tropics. 

 They have a deeply 5-cleft, 

 persistent, inferior calyx ; poly- 

 symmetric, 5-!obed corolla ; 

 stamens s. inserted on the 

 corolla-tube ; cvary 3-cham- 

 bered'; style single ; stigma 

 3-cleft ; capsule 3-chambered, 

 3-valved. None of the species 

 possesses remarkable proper- 

 ties, but several are favourite 

 garden flowers, such as Phlox, 

 Polemoniuin, and Cobcea. 



I. POLEMUNIUM (Jacob's 



Ladder). — Leaves scattered, 

 unequally pinnate ; calyx cam- 

 panulate ; corolla rotate ; 

 stamens bearded at the base 

 and lying on one side of the 

 flower ; chambers of the cap- 

 sule many-seeded. (Name, the 

 Greek name of the plant.) 



I. P. cceri'deum (Jacob's 

 Ladder, Greek Valerian). — 

 The Only British species, a tall, 

 erect .plant, i — 2 feet high, with 

 an angular, hollow stem ; 

 smooth, pinnate leaves with 13 — 25 leaflets ; and numerous blue 

 or white flowers, about an inch across, in a terminal cluster. — 

 Woods in the north ; rare. A common garden flower, not easily 

 rooted out where it has once established itself. — Fl. June, July. 

 Perennial. 



(Grcci fah 



p. C.'F.RULEUM 

 riaa, j-)[uc Jacob's Ladder). 



Okd. LIL BoRAGfNE.«. — The, Borage Family 



A considerable Order of herbs or shrul)s, principally natives of 

 the warmer temperate regions of the Old Workl, with scattered 



