62 DICOTYLEDONOUS PLANTS. 



tary ; stamens 510 ; capsules oblong, 1-celled. H. nudicaule Wall. 

 Sarothra gentianoides Wittd. 



HAB. Sandy fields. N. E. to Car. Pursh. June Aug. If. 

 Stem 3 6 inches high. Leaves and fmcers minute. Stamens 

 very variable in number. 



11. H. prolificum Linn. : stem shrubby, terete ; branches angled ; 

 leaves linear-lanceolate, revolute on the margin, pellucid-punctate ; 

 corymbs axillary and terminal, few-flowered ; calyx ovate-lanceolate ; 

 stamens very numerous. 



HAB. N. Y. to S. Car. July. Tj. Shrub 23 feet high, with 

 much compressed branches. Leaves 2 inches long. Peduncles 

 generally 3-flowered, the intermediate one nearly sessile. 



12. H. galioides Linn. : stem terete, straight, somewhat shrubby ; 

 branches square ; leaves linear-sessile, revolute on the margin, acute, 

 punctate ; panicles terminal, dichotomous and divaricate ; calyx linear, 

 at length reflexed ; styles often united. 



HAB. Sandy moist places. N. J. to Car. July. If. Stem 2 

 feet high. Leaves fasciculate. Scarcely differing from H. fasci- 

 culatum of Michaux. 



2. ASCYRUM. Linn. 



Calyx 4-sepalled ; 2 outer sepals smaller. Petals 4. Sta- 

 mens many, scarcely united at base. Styles 1 3. 



Polyandria. Di-Pentagynia. 



1. A. crux-andrea Linn. : stems numerous, suffrulicose, terete, witli 

 erect brandies ; leaves ovate-linear, obtuse ; inner sepals suborbicu- 

 lar ; pedicels with 2 bracts ; flowers sessile ; styles 1 2. A. -multi- 

 caule Mich. 



HAB. Sandy fields. N. J. to Car. July. If. Stems 1-2 feet 

 high, twicers solitary and axillary, nearly sessile, pale yellow. 

 Mr. Elliott remarks that this plant varies so much in the size 

 and number of its leaves, in its peduncles, and in the number of 

 its styles, that it merits culture to determine whether more than 

 one species are not included under this name. St. Peter's Wort. 



2. A. stans Mich. : stem fruticose, winged, straight ; leaves ovate- 

 elliptical, obtuse, glaucous ; inner sepals cordate, orbicular ; stamens 

 united at the base ; styles 2. A. hypericoides Pursh, not of Linn. 



HAB. Overflowed sandy soil. N. J. to Car, July, Aug. 21. 

 Stem 1 2 feet high. Flowers larger than the last, yellow. 



ORDER XXIV. ACERINEJS. De Cand. Lind. 



Calyx 5, or rarely 4 9-parted, with an imbricate aestiva- 

 tion. Petals equal in number to the lobes of the calyx, with 

 which they alternate, rarely wanting. Stamens definite, 

 usually 8, rarely 5 or 12 ; anthers oblong. Torus discoid. 



