62 ST. JOHN'S-WOET S'AMILT. 



** *+ Shrubby, evergreen or nearly so, only Southern. 



H. fasoieul&tum, Fascicled S. Leaves narrow-linear and small, and 

 with shorter ones clustered in the axils ; pod narrow. Wet pine barrens. 



H. myrtifblium, Myrtle-leaved' S. Leaves heart-shaped and partly 

 clasping, thick, glaucous ; pod conical. Wet pine barrens. 



H. atireum, Golden S. Leaves oblong with a narrow base, glaucous 

 beneath; thick; flowers mostly single, very large (2' broad), orange-yellow; 

 pod ovate. Eiver-banks towards the mountains. 



H. nudifldrum, Naked-clustered S. Shrubby and evergreen S., less 

 so in Virginia, &c., has 4-angled branches, oblong pale leaves, and a peduncled 

 naked cyme of rather small flowers ; pods conical. 



++++*+ Herbaceotis, simple-stemined. Northern Sf Western. 



H. sphseroc&rpon, Spherical-fkuited S. About 2° high; leaves 

 diverging, oblong-linear (2' long), obtuse ; flowers numerous, small, in a naked 

 flat cyme ; sepals ovate ; pod globulai-, 1-celled. Rocky banks, W. 



H. adpressum, Upright-leaved S. A foot high; leaves ascending, 

 lanceolate, often acute ; flowers few and rather small ; sepals narrow ; pod 

 oblong, partly 3-celled. Low grounds, Pennsylvania to Rhode Island. 



H. eUipticum, Elliptical-leaved S. Barely 1° high; leaves spread- 

 ing, oblong, thin ; flowers rather few in a nearly naked cyme, pale ; the pod 

 purple, oblong-oval, obtuse, 1-celled. Wet soil, N. 



-1- -I- -1- Styles 3 wholly separate {see Lessons, fig. 255) : herbs. 

 ++ Ovary and pod 3-ceUed : petals black-dotted : styles mostly diverging. 



H. perforatum, Common S. The only one not indigenous, nat. from 

 Eu., a troublesome weed in fields, &c. ; spreads by runners from the base ; 

 upright stems branching ; leaves oblong or linear-oblong, with pellucid dots ; 

 flowers rather Ifirge in open leafy cymes ; the deep yellow petals twice the length 

 of the lanceolate acute sepals. The juice is very acrid. 



H. corymbdsum, Corymbed S. Common N. in moist gi-ound ; stem 

 2° high, sparingly branched ; leaves oblong, slightly clasping, having black as 

 well as pellucid dots ; flowers rather small, crowded ; petals light yellow and 

 black-lined as well as dotted ; sepals oblong ; styles not longer than the pod. 



H. macul^tum. Spotted S. Common S. has somewhat heart-shaped 

 or more clasping leaves, lanceolate sepals, and very long and slender styles : 

 otherwise lilce the last. 



•M- ++ Ocary l-celled : stem strict : leaves ascending, acute, chsdy sessile, short. 



H. anguldsum. Angled S. Wet pine-baiTens from New Jersey S. 

 Stem shai-ply 4-angled (l°-2° high), smooth; leaves ovate or lance-oblong; 

 flowers scattered along the ascending branches of the cyme, small, copper- 

 yellow ; styles slender. 



H. pilosum, Hairy S. Wet pine-barrens S, Stem terete, and with the 

 lance-ovate leaves roughish-downy ; styles short. 



» * Annual, low and slender, small-flowered herbs: stamens 5-12 : ovary and 

 broion-purple pod strictly 1-celled : styles 3, separate : sepals narrow, erect : 

 p^ls narrow. 



•i- Leaves conspicuous and spreading : flowers in cymes. 



H. miltiluin, Small S. Slender, much branched and leafy up to the 

 flowers ; leaves partly clasping, thin, 5-nerved, ovate or oblong ; petals pale 

 yellow. Everywhere in low grounds. 



H. Canadense, Canadian S. Stem and branches strictly erect ; leaves 

 linear or lanceolate, 3-nerved at the base ; petals copper-yellow. Wet sandy soil. 



H- -1- Leaves erect, awl-shaped or scale-like and minute : flowers very small and 

 scattered along the numerous bushy and wiry slender branches. 



H. Drummondii, Drummond's S. In dry barrens, W. Illinois and S., 

 with linear-awl-shaped leaves, shor^pediceUed flowers, and pods not longer than 

 the calyx. 



H. Sarbthra, Orange-grass or Pine-weed. Common in dry sterile 

 soil, with minute awl-shaped appresscd scales for leaves, flowers sessile on the 

 wiry branches, and slender pods much exceeding the calyx. 



