POLYGALACE.'E. (mII.KW»;KT FAMILY.) 121 



§ 2. Aiiniial.t, wilh all the Icnvrx alternate: floirern in spikes, heads, or raremes termi- 



ntUin'i the stem or liranvhrs, piir/ile or rosc-^edor , in summer: none suitcrraneun. 

 » Corolla consjiintouslij creMid on the led: the clau-s of the, true jictals united into a 

 loiK) and slender cleft tulw much siir/iassinf/ the wim/s. 



3. P. incarilclta, L. Glaucous ; stem slender, sparingly branched ; leaves 

 minute and liuearawl-shaj)ed ; spike cylindrical; flowers flesh-color; caruncle 

 longer th:m the narrow stJilk of llic hairy seed. — Dry soil, I'enn. to Wisconsin 

 and southward ; rather rare. 



« » Corolla minutilji or inconspicuously crested ; the true petcds not lonrjer but mostli/ 

 shortir than the winrjs : seed pear-shaped. 



4. P. sanguinea, L. Stem sparingly branched above, leafy to the top ; 

 leaves ohlon(/-liii<nr ; luads (/lolntlar, at lenijlh oblonf/, very dense (4" -5" thick), 

 bright red-i)uri)le (rarely paler or even white) ; pedicels scarcely any ; winfjs 

 Iroadli/ ovuti', closilij sessile, longer than the pod ; the 2-parteil caruncle almost 

 equalling the seed. — Sandy and moist groimd : common. 



5. P. fastigi^ta, Xutt. Stem slender, at length corymbosely branched; 

 haves mirroirli/ linear, small ; spikes short and dense (3" in diameter) ; the small 

 rose-purple flowers on ;)e(f/ce/s q/" atewi the temjth of the pod ; wings obovatc- or 

 oval-oblong, narrowed at the base, scarcely exceeding the pod ; bracts deciduous 

 with the flowers or fruits ; caruncle as long as and nearly enveloping the stalk- 

 like base of the minutely hairy seed. (P. sanguinea. Ton-. <j- Gr., cxcl. syn. ; 

 not of Xutt., nor L.) — Pine barrens of New Jersey (Xuttull) and Delaware 

 to Kentucky and southward. 



6. P. Nuttillii, Torr. & Gr. (F/. 1,;). 670, cxcl. syn. & descr.) Resembles 

 the last, but usually lower; spikes more cylindrical; flowers duller or greenish 

 purple, on shorter pedicels ; the awl-sliapcd scaly bracts persistent on the axis after 

 the flowers or fruits fall ; seed very hairy, the caruncle snudler. (P. sanguinea, 

 Nutt., not of L. P. Mariana, &c., Pluk. t. 437. P. anibigua, Torr. ,J- Gr. FL, 

 not o( Nutt.) — Dry sandy soil, coast of Massachusetts to Kentucky and south- 

 ward. — Spike sometimes rather loose. 



7. P. Curtissii, n. sp. Slender (9' high) ; leaves, &c., as in the two pre- 

 ceding ; flowers rose-purple, in elongated and loose racemes ; the ascending pedicels 

 and the narrow oblong erect wings full i/ twice the length of the pod ; bracts persistent, 

 those of the lower and remoter flowers foliaccous ; caruncle small, on one side 

 of the stalk-like base of the very hairy seed, which is con.tpicuousli/ apicnhite at 

 the broader end. — Near Alexandria, Virginia, A. II. Curliss. — Most re'ated to 

 P. Chapmanii of Florida. 



§ 3. Anmials with at lea.'it the lower stem/eaves irhorhd in fours, sometimes in Jives: 



spikes terminating the stem and Inuinrhes ; ft. .<tummer and autumn. 

 * Spikes short and thick (4" - 9" in diameter ; the a.ris rough with the squarrose bracts 



persisting after the fall of the (middle-sized) rose or greenish purple flowers: crest 



of the keel small. 



8. P. CrUCi^ta, L. Stems (3' -10' high) almost winged at the angles, 

 with spreading opposite branches ; leaves nearly n!! in fours, linear and some- 

 what spatulate or oblanceolate ; spikes sessile or nearli/ so, wings broad/;/ deltoid- 

 ovate, slightly hart-shajted, tapering to a bristly point, or rarely pointless; caruncle 



G M— 6 



