62 ST. john's-wort family. 



++ 4-H Shruhhy, evergreen or nearly so, only Southern. 



H. fasciculatum, Fascicled S. Leaves narrow-linear and small, and 

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



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

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



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

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

 pod ovate, llivcr-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. 



++++++ Herbaceous, simple-stemmed. Northern Sf Western. 



H. sphseroearpon, Spherical-fruited S. About 2° high ; leaves 

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

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



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

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

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



H.^elliptieum, 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. 



•t- M- -1- Styles 3 wholly soparate {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 large in open leafy cjtucs ; the deep yellow petals twice the length 

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



H. COrymbdsuni, Corymbed S. Common N. in moist ground ; 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. 



TT . maculatum, Spotted S. Common S. has somewhat heart-shaped 

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

 otherwise like the last. 



t-f ++ Ovary \ -celled : stem strict: leaves ascending, acute, closely sessile, short. 



H. angu.l6suin, Angled S. Wet pine-barrens from New Jersey S. 

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

 flowers scattered along the ascending branches of the c^ine, small, copper- 

 yellow ; styles slender. 



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

 lance-ovate leaves roughish-downy ; styles short. 



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

 broivn-purple pod strictly 1-cdled : styles 3, separate: sepals narroio, erect: 

 petals narrow. 



-t- Leaves conspicuous and spreading : flowers in cymes. 



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

 flowers ; leaves partly clasping, thin, 5-ncrvcd, 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. 



1- -1- Leaves erect, aivl-shaped or scale-like and minute : Jlowers very small and 

 scattered along the numerous bushy and iviry slender branches. 



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

 M-ith linear-awl-shaped leaves, short-pedicellcd flowers, and pods not longer than 

 the calvx. 



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

 soil, with minute awl-shaped appressed scales for leaves, flowers sessile on th2 

 wiry branches, and slender pods much exceetling the calyx. 



