CONVOLVULACE/E POLKMONIACE^. 365 



A. salicifotia, Choisy. '^. St. Domingo. — A. martinicensis, Choisy. %. 

 Martinique. — Polymeria calycina, R. Br. %. Tropical New Holland. 

 — P. pusilla, R. Br. ^. Tropical New Holland. — P. quadrivalvis, R. 

 Br. 2/.. Tropical New Holland. — Parana acuminata, Beauv. B ^"s Gui- 

 nea. — Neuropeltis ovata, Wall. B Amherst. — Prevostea sericea, G. 

 Don. B /^ New Granada. — P. heterantha, G. Don. %. /"s Brazil. — 

 Breweria elegans, Choisy. 2/. Prome. — B. pannosa, R. Br. %. Tropical 

 New Holland. — B. media, R. Br. %. Tropical New Holland. — B. li- 

 nearis, R. Br. %. Tropical New Holland. — Bonamia madagascariensis. 

 Pet. Th. B Madagascar. — Cressa cretica, L. © Candia. — C. australis, 

 R. Br. O Tropical New Holland. — Evolvulus nummularius , L. %. Ja- 

 maica. — E. linifolius, L. © Tropical New Holland. Jamaica. — E. se- 

 riceus, Swz. © Jamaica. Mexico. — E. latifolius, Ker. ^. Brazil. 



ORDER CLXXIl— POLEMONIACE^,— Lindl. Nat. Syst. p. 232. 



THE GREEK VALERIAN TRIBE. 



Herbsjwith an occasionally climbing stem, by Lindl. referred to 16 genera. 

 Of these, according to Spreng. syst. B. Reg. (19, t. 1622, app.) B. M., and 

 Royl, ill., about 60 species have been found in N. America, especially Ca- 

 lifornia; 22 in S. America and Mexico ; 2 in Siberia; 1 in Europe and N. 

 Asia; and 3-4 in the Himalayas. The latter are Polemonium coeruleum and 

 gracile, if both really are distinct ; and .'' Cyananthus integer and lobatus. — 

 " Properties none, or unknown." (Lindl.) 

 Polemonium, L. {G. Don's Mill diet. 4, p. 238.) 



1. caruleum-, L. (G. Don. I. c. ; — E. B. 1, p. 14 ; — Roxb. fl. ind. ; ed. 

 Carey, 1, p. 24.) Greek Valerian. Jacob's Ladder. % N. Europe. Si- 

 beria. Kemaon. Fl. large, sky-blue, C. S. but very rarely. 



2. mexicanum, Cervant. ((?. Dons Mill. diet. 4, p. 239;— B. 31. 6, t. 

 460.) %. Mexico. Fl. large, pale-blue, C. S. 



GiLiA, Ruiz, and Pav. {G. Don's Mill. diet. 4, p. 244.) 



1 . achillecefolia, Benth. (6. Don. o. c. p. 245 ;—B. Reg. 20, t. 1682 ;— 

 B. M. 62, t. 3440.) © California. Fl. small, lilac-blue, March. 



2. capitata, Dougl. {Q. Don. I. c. ;—B. M. 53, t. 2698 ;— JS. Reg. 14, 

 t. 1170.) © North-west America. Fl. small, blue, March. 



Coi,LOMiA, Nutt. {G. Don's Mill. diet. 4, p. 246.) 



I. linearis, Nutt. {O. Don. I. c. ;—B. M. 56, t. IS^Z ;—B. Reg. \4, 

 t. 1166.) © N. America. Fl. small, rose-coloured, Feb. and March. 

 Caldasia. Willd. (G. Don's Mill. diet. 4, p. 247. J 



l.heterophylla, Willd. {Q.Don. I.e.; — B. Reg. 2, t. 92. — Bonplandia 

 geminiflora, Cav. icon. 6, t. 532.) New Spain. Fl. smallish, pale 

 blue, C. S. 



