5"6 DID YN AM I A. AXGIOSPERMIA. 



f/icrs equally lobed. uncombined. Capsule S-ccl- 

 Jed, 2-valvc(]. Seeds aiie^ular. 



Herbaceous; leaves entire, alternate and opposite; flow- 

 ers alternate, bracicate, in terminal racemes; color blue- 

 ish, purple, or yellow. 



Species. 1. B. pallida. 2. acutnijiata. Ph. 3. tenuifolia. 

 Ph. Is not this a bad specimen oF Euchroma grandiflora, 

 at all events not a species of this g-enus? 4. alpina. 5. 

 (iymnandra. Tiirivini^ near tlie limits of plisnogamoiis 

 vegetation, within the arctic circle. 



Partly an alpine and European genus, extending to the 

 Levant. 



444. RRINANTHUS. L. 



Calix 4-clert, ventricose. Corolla vin^cni; 

 upper lip mostly compressed. Capsule bilocuhir, 

 obtuse, compressed. 



Herbaceous; leaves opposite, mostly toothed or serrate; 

 fiowers opposite, bracteate,. in terminal spikes. 



Species. 1. R. CHsia-gaUi. Hab. In Canada. 



A genus of "10 species, dispersed througji both hemis- 

 pheres from Siberia to India; within its proper limits per- 

 haps solely European. 



445. EUPHRASIA. L, (Eye-Brigbt.) 



Calix cylindric,4-cleft. Coi'oUa bilabiate; isp- 

 pcr lip bifid; lower 3-lobed, segments bifid. 

 Lobes of the 2 lower antiiers spinulose. 



Herbaceous, or suffruticose; leaves opposite or alter- 

 nate; flowers bracteaie, axillarj-, producing terminal ra- 

 cemes. 



Species. 1. "E. officinalis. 2. latifoUa. The first indige- 

 rons to Canada the second to Labrador. 



A small genus of about 15 species, chiefly European, 

 and extending into Barbary. 



446. ^ORTHOCARPUS.t 



Calix tubular, semiquadrifid. Corolla bila- 

 biate, closed; upper lip smaller, compr ssed, 



i 



-j-'riie straightness of the fruit, readily distinguishing this ge- 

 IS from MeUimpyrum. 



