GEOGRAPHICAL BOTANY. 349 



a distinct species, intermediate between A. Unedo and 

 Andrachne (Ratisbon Flora, 1844, p. 13). He denies 

 its hybrid origin, because A. Unedo flowers in October 

 and November, A. Andrachne in February and March ; 

 I have, however, met with both plants in flower at the 

 same time in Bythynia. 



II. ASIA. 



Among the endemic plants of Bithynia described in 

 the 'Spicileg. Rumelic./ part of which belong to the 

 evergreen coast-region, part to the high mountains of 

 Olympus and Bolu, the following are the principal fami- 

 lies represented : 5 Leguminosse (mostly Trifolia) 2 

 Geraniaceae ; 5 Caryophyllacese (consisting of 3 Silenese 

 and 2 Dianthi, all from Olympus) ; 4 Hyperica, 9 Cruci- 

 ferse (all from Olympus, and consisting of 3 sp. of 

 Arabis, 2 sp. Eunomia, &c.) ; 3 Papaveracese ; 2 Ranun- 

 culacege ; 5 Umbelliferse (mostly from Olympus) ; 4 

 Scrophulariaceae; 2 Boraginacese; 3 Labiatse; 3 Rubiaceae; 

 13 Synantheraceae ; 4 Campanulaceae ; 3 Liliaceae; 3 

 Graminaceas, &c. 



The oriental Umbelliferae have been worked out by 

 Boissier (Ann. Sc. Nat. 1844), comprising 300 species. 

 The number of species proposed as new is very large. 

 The new genera distinguished are the following: Lereschia 

 (Cryptotcenia Thomasii D. C.) ; Elwendia, from Persia, 

 near Carum ; Microsciadium (Cyminum minutum Urv.) ; 

 Muretia (Bunium sect. Cliryseis D. C.) ; Diplotania from 

 Persia, near Peucedanum ; Stenotania from the same 

 place, near Paslinaca; Ducrosia (Zozimice, sp. D. C.) ; 

 Ainsworthia (Hasselquistia cordata L.) ; Trigonosciadium 

 from Mesopotamia, near Heradeum ; Synekosciadium 

 (Heracl. Carmeli Lab.) ; Polylophium, (Thapsiese) from 

 Persia ; Smyrniopsis near Smyrnium ; Meliocarpus near 

 Prangos; Turgeniopsis (Turgenia foenicutacealfzl.); Liscea 



