PENTANDRIA DIGYNlA 



327 



as long as the corolla, somewhat expanded between the sej^ments of 

 the corolla, compressed, and hooded ? attached at base and ascending 

 the pedicel ; corpuscle angular^ supported by a pedicel nearly a& 

 lone; as the corolla. Gcrnis 2- 



On dissecting this plant, I first noticed a fibre or chord extending 

 through the centre of the corpuscular pedicel and communicating 

 from the anthers to the germ. Dr. Macbride lias since seen it in 

 some species of the Asclepias. 



This genus i3 closely allied to the Calotropis- 



Found by me, many years ago, in dry pine ban^ens in Effingham 

 county, Georgia; near St* Mary's, by Dr- Baldwin ; eight miles from 

 Charleston, by Mr. Fraser. 



Flowers May. 



Brown, 



«^ 



j> 



Stem erect ; leaves ob- 



2. ViRIDIS. 



P ? caule erecto ; foliis 

 oblongis, ohtusis, petiola- | long, obtuse, petiolat 

 lis ; iimbeiris subtermi- | umbels generally termi- 



nalibus. 



Walt. 



Asclepias viridis, AValt* p. 107. 



11 al. 



^. 



Leaves smooth. Umbels few. PetaU large, erect, green. Leaves 

 of tjie croi£?n entire, expanding, ?hort, purple ; corpuscle dark browo 

 at base, white at the summit. Walt. 



I am only acquainted with this plant by the description of Walter- 



I was informed by tlie late R. 



on the plantation of Mr- Lowndes, 

 at Ashepoo, and sent to Walter* 

 Flowers May 



It probably belongs to this genus. 

 Squibb, that it was found by nim o 



GONOLOBUS. Mich. 



^t*. 

 V 



Massa pollinis i o, Ise ves, 

 trans versse. Coj'olla ro- 

 tata. Corona staminea 



Pollen masses 10, smooth, 

 transverse. Corolla ro- 

 tate. Stamineal crown 



erecta, corpusculum cin- j erect, surrounding 

 gens, S-lobaj lobis 3-den- j corpuscle, 5 lobed ; 



the 



tatis. 



lobes 3 toothed. 



1. Macrophyllus. Mich. 



G. foliis lato-cordatis*, 



Leaves broad, cordate 



J 



ainu clausO; abrupte acu- | with the sinus closed, ab- 



^f^^ 



P^ 



:f 



