OKDEK XIX. — HYFEBKXCACBLS. 239 



Gents I— ASCY'RUM. L. 12— 5. (8L Andrews Cross.) 

 (From a. privative, not, and skuros, hard— a soft plant.) 



Segals 4; the two exterior usually broad and foliaceous ; the 

 interior smaller. Petals 4. Stamens usually united by 

 their filaments into four parcels. Capsule oblong, 1 -celled, 2- 

 valved, with parietal placenta?. Styles 2 — 3, occasionally 

 united. Shrubby or suffructicose. Leaves usually with black 

 dots. Flowers yellow. 



1. A. Crux-An'dre.e, (L.) Stem erect, much branched, spreading. 

 I oblong-lanceolate, obtuse, sessile, dotted, small. Flowers soli- 

 tary, axillary, and terminal. The outer sepals cordate, ovate, acute ; 

 the interior small; two small bracteal leaves at the ba-e of the calyx. 

 Petals linear-obl< rig Style* 2 Capsule 2-valved, compressed. — Yel- 

 low. 11. July. Pine woods. Car. and Geo. S — 12 incl 



•i. A. pi'mi'llm, (Mich.) Stem prostrate, much divide 1, slurh'lv wing- 

 ed. Leave* linear-oval, small, obtuse, toothed, perennial. Flower* soli- 

 tary, axillary ; exterior sepals ovate, acute, marked with dots. Petals 

 obovate, a little longer than the calyx. Stamens numerous, not dis- 

 tinctly united into parcels. Style 1. Ions:. Capsule ovate. A variable 

 plant. — Yellow. U- March. Pine barrens, middle Geo. 6 — 10 

 inches. 



3. A. htpericoi'des, (L.) Stem erect, sparingly dichotomous. branch- 

 ed, ancipital, slightly winged. Leaves sessile, opposite, somewhat 

 clasping, oblong, obtuse, glaucous. Flowers terminal or axillary, on 



peduncles ; exterior snpals large, cordate-ovate, nearly orbicular, 

 nerved, dotted. Petals obovate. Stamens very numerous. Styles 2. 



'<? triangular. Seeds striate. — Yellow. £. Through the sum- 

 mer. Damp 



4. A. amplexicau'le, (Mich.) Stem erect, sparingly branched; 

 branches ancipital. Leave* broadly ovate, oblong, cordate, clas 



r* erect ; exterior sepals cordate, broad. Petals obovate. 

 mens very numei so. — Yellow. If. Through the summer. 



Southern Geo. and Florida. 1 — 2 feet. 



'.. mkcrosep'aixic, (T. &: G.) Stem nearly terete, much branched. 

 Leave* very small, oblong-linear, crowded. i rect, on long pe- 



duncl he summit of the branches. Sepals nearly 



equal in 1< _ exterior ones about a third broader than the 



others. Petals more than long as the sepals ; one of them 



Uy much shorter than the others. Style* filiform, long. — Yellow. 

 March — Aprd. Middle Florida. A foot or more high. 



Genus II.-IIYPER'ICUM. L. 12—5. 

 (Origin of the name doubtful.) 



■■'Is 5, united at the base, foliaceous. Petals 5, oblique. 

 Stamens numerous, united at the base into 3 — 5 parcels. Pis- 

 tils 3 — 5, ' :. with parietal placentae, 



or 3 — 5-celled. 



1. H. pholif'icuv, (L.i Stem shrubby or suffructicose, with dichoto- 



