didynamia. angiospermi a. Gerardia. 451. 



Nigrina. G. rugged, leaves lanced faw'd below, ftem four- 



corner'd. S. 

 tubuhfa. G. polifh'd, leaves linear intire acute, tube longer 



than the calyx. S. tubular, 



fcabra. G. hifpid rugged, leaves oblong feather-cleft. S. 



rugged. 



748. CHELONE. CaL 5-parted. Rudiment of a 



fifth filament between the higheft fta- 

 mens. Cap/. 2-cell'd. 



glabra. I. C. leaves petioled lanced faw'd : the higheft oppofite. 



fmooth. 



obllqua. 4. C. leaves petioled lanced faw'd oppofite. oblique. 



hirfuta. 2. C. ftem and leaves fhaggy. fiaggy. 



Pentftemon. 3. C. leaves ftem-clafping, panicle two-fork'd. 



Ruelloides. C. radical leaves petioled egg'd faw'd, ftem-leaves 



oppofite ftem - clafping, peduncles elongated, 

 calyxes fringed. S. Ruellia-like. 



749. GESNERIA. CaL 5-cleft, fitting on the 



Germ. Corel incurved and recurved. 

 Capfule beneath, 2-cell'd. 



humilis. 2. G. leaves lanced faw'd feflile, peduncles branchy 

 many-flower'd. humble. 



acaulis. 1. G. leaves lance-egg'd faw'd fubpetioled terminal- 



crowded, peduncles three-ftower'd fhorter than 

 the leaf. Jlemlejs. 



tomentofa. 3. G. leaves egg-lanced notch'd fhaggy, peduncles 

 lateral moft long corymbe-bearing. downy. 



750. ANTIRRHINUM. CaL 5-leaved. Bafe of 



the Corol prominent downwards, neclar- 

 bearing. Capfule 2 - cell'd. Snap- 

 Dragon. 



* Leaves angled. 



Cymbalaria. I. A. leaves hearted five-lobed alternate, ftems procum- 

 bent. 



A, 



