117 

 CLASSY PENTANDHIAt 



Order 1 . jfloiiogyiiia. 



A. Flowjeus complete. § 1. Ovary superior. 

 51. Corolla monopctaloas. 

 1. Seeds 4, apparently naked. 9 Nat, Ord. 222. LindL Boragikkas. 

 + Seeds, or Nuts, fixed to the bottom of the Calyx. 



85. PULMONARIA. L. Mitt. Gen. 173. 

 [Latin, Pulmoncs, the Lungfl ; from its supposed virtue in pulmonary diseases.]! 



Calyx somewhat prismatic, 5-angled, 5-cleft, Corolla funnel-form ; 

 limb slightly 5-lobed ; throat open. Nuts roundish, imperforate at 



base. 



1. P. viTiGixicA, //. Glabrous ; stern nearly erect ; radical leaves ob- 

 ovate-oblong, obtuse, stem leaves lance-oblong; calyx much shorter 

 than the tube of the corolla. Beck, Hot. p. 255, 

 Sub-genus, Mertcnsia virginica, Pcrs. Syn. l./>. 161. 



ViRGi.fiAX Pulmonaiiia. Vulgd — Virginian Cowslip, Lungwort. 



Root perennial. S.'em 1 to 2 feet high, succulent, angular, a litilc branched at 

 summit. Lower leaves 3 to 6 inches long and 2 to -1 inches wide, oval or obovate, en- 

 larging* tne lowest often becoming nearly orbicular, on longish petioles; stem-leaves 

 gradually smaller above, and on short petioles, or 6ubsessile. Flowers subtermi- 

 nal, in corymbose or fasciculate racemes. Calyx short; segments lance-ovate, 

 rather obtuse (acute, Torr.). Corolla purplish blue, large ; limb obscurely 5-lobcd; 

 lube about half an inch Ion?, tapering downwards, with an annular tuft of hairs on 

 the inside, near the base. Stamens rather shorter than the corolla. Style a little 

 shorter than the stamens, somewhat persistent ; stigma simple. 



/lab. Rich sandy low grounds ; along Brandy wine : frequent. Fl. April. Fr. June 



Obs. I)r. Torre y descri'nes the style as "exserted." It persists for some lime af- 

 ter the corolla has fallen,— and is then exserted from the calyx) but 1 have not ob- 

 served it as long as the corolla. This is rather a handsome plant, and frequently 

 introduced into our Qower gardens. Two or three additional species have been 

 enumerated in the U. States. 



86. UTHOSPERMUM! L. Mitt. Gen. 170. 

 [Greek, Lithos, a stone, and Sperma, seod ; from the stony hardness ol its seeds.] 



Calyx 5-parted ; segments acute. Corolla small, funnel-form ; limb 

 5-lobed ; throat open, or naked. Stamens included. Nats imperfo- 

 rate at base, bony, rugose, or smooth. 



— ^— - —— - - ■ , 



* This subdivision comprises a kindred croupe, belonging to the Natural Order 

 Boraoine*. The plants are generally herbaceous, with round stems and alter- 

 nate leaves, without stipules, scabrous with hairs proceeding from indurated en- 

 larged bases (rarely smooth); flowers mostly somewhat racemose, often secund. 

 and bracteate, sometimes solitary and axillary ; 6tamens inserted on the corolla » 

 ovary deeply 4-parted, resembling four naked seeds; nuts 4, distinct 



