PHYTOLACCA— PINUS. 



141 



allcekcn"gi, (winter-clierry,) leaves in ! terminal, scarcely longer than the leaves, 

 pairs, entire, acute, Kiib-ramose below. Ex. The bark is used in tanning leather. 



lanceola'ta, (y. J. I/.) erect, densely pu- ! haha'inea, (American silver fir, balsam 

 bescent; leaves mostly in pairs, oval-lance- ; fir, M. Ip.) leaves solitary, fiat, glaucous be- 

 olate, entire, narrowed at the base into a ' neath, somewhat pectinate at the summit; 

 petiole; flower solitary, nodding; calyx strobile cylindrical, erect. 40-50 f. 

 villose. 1-2 f. j //-awH (J. ^O leaves short, emarginate, 



lohu'tn, (g.) leaves oblong, somewhat subsecund, erect above ; cones ovaf^-ob- 

 flcshy, lyrate-lobed, narrowed into the pe- J long ; bracts elongated, incisely denticu- 



late. 



taxifo'lia, (^ .) leaves solitary, flat, sub- 

 distichus; cones oblong ; anthers didymoas. 

 ni'gra, (M. ^.) leaves solitary, 4-angled, 

 scattered on all sides, erect, straight ; conea 

 ovate, scales elliptic, undulate along the 

 margin, the summit denticulate. 



al"ba, (M. ^.J leaves 4-sided, incurved; 

 ovate, very entire ; flowers crowded, short- strobiles sub-cylindric, lax ; scales obovate, 

 pedicellcd ; corolla bell-form. S. I entire. 



u-al"tcri, (2^.) pulverulent, sub-tomentose, j ru'hra, (M. Ip .) leaves solitary, subulate ; 

 very branching, dichotomous ; leaves in j strobiles oblong, obtuse ; scales rounded 

 pairs, broad-ovate, obtuse, long-petioled, 

 entire ; peduncles solitary, nodding ; calyx 

 fructiferous, somewhat glabrous. S. C. 



tiole at the base, glabrous, revolute at the 

 margin ; stem herbaceous, branching ; ped- 

 uncles solitary. 



'pubcs"ceii!<, (y. Ju. @.) leaves villo.se, vis- 

 cous, slightly cordate ; stem much branch- 

 ed ; flowers solitary, pendulous ; fruitbear- 

 ing calyx nearly globose, slightly angled. S. 



somniff^ra, (y. Ju. ll) tomentose ; leaves 



angitsUfo'lia, [11) '^'^ry glabrous, pros- 

 trate, dwarfii-h ; leaves very lon^, linear, 

 Heshy, solitary ; peduncles nodding, filiform, 

 solitary. West Florida. 

 PHYTOLACCA. 10—10. {AtripUccs.) [From 



phuton, a plant, and lakka, gum-lac, on ac- 

 count of the color of its fruit.] 



decan"drn, (poke-weed. w. Ju. 14-.) leaves 

 ovate, acute at both ends ; flowers racemed ; 

 berries flattened at the ends. 3-6 f. 

 PICKERIN"GA. 5—1. {Ericm.) 



paiiicula'ta, (1?.) evergreen; leaves en- 

 tire, alternate, v/edge-oblong, obtuse ; flow- 

 erspanicled. S. 

 PINCKNEY'A. 5—1. (RubiaceceA [In honor 



of Gen. C. C. Pinckney, of S. C] 



pji'bena, (p. J. Fp .) leaves opposite, lance- 

 olate, entire, thinly pilo.se and shining 

 above ; tomentose belovs', sub acuminate ; 

 calyx superior, persistent, colored. 15-20 

 f. S. 

 PINGUIC'ULA. 2—1. (Scrophularice.) [From 



pinguis, fat, so called because its leaves are 



g^reasy to tlie touch.] 



vulga'iis, (butler-wort, M. ll) .spur cy- 

 lindrical, acute, as long as the voinless 

 petal ; upper lip 2-lobed, lower one in 3 

 obtuse segments; leaves radical, spatulate, 

 ovate, fleshy ; flowers solitary, nodding ; 

 tube of the corolla villose, purple. Wet 

 rocks. Rochester, N.Y. Canada. 



lute'a, border of the corolla 5-cleft ; spur 

 wubulate, a little shorter than the tube. (J-8 

 i. Flowers yellow. S. 



pii'mila, (b. Ap. 2X.) border of the co- 

 rolla 5-cleft ; segments emarginate ; lobes 

 entire ; spur subulate, a little obtuse, as 

 ong as the tube. 3-5 i. S. 



acutifo'lia, (Ju. 1(.) very glabrous ; leaves 

 e/ect, oval, very acute. /S. 



austra'lis, (r.) glabrous ; nectary very 

 short, incurved ; flowers rather large. West 

 Florida. 

 PI'NUS. 19—15. 



A. Leaves solitary, with separate bases. 



canrfden"sis, (hemlock-tree, M. ^ .) leaves 

 flat, denticulate, 3-ranked 



somewhat 2-lobed, entire on the margin. 

 B. Leaves many, sheathed at the base. 



[Leaves in pairs.] 

 resino'sa, (yellow-pine, Norway-pine, 

 red-pine, M. ^.) leaves and slieath elon- 

 gated ; strobiles ovate-conic, rounded at 

 the base, sub-solitary, about half as long as 

 the leaves ; scales dilated in the middle, 

 unarmed. Bark of a reddish color, and 

 much smoother than the pitch-pine, or 

 white-pine. Often grows very tall and 

 straight. 



ill!' ops, (M. ^.) leaves short, strobile re- 

 curved, oblong-conic, as long as the leaves 

 spines of the scales subulate, s^traight. 



banksia'na, (.scrub-pine, M. ^.) leaves 

 short, in pairs, rigid, divaricate, oblique ; 

 strobiles recurved, twisted ; scales un- 

 armed. Rocky grounds. 



[Leaves in threes.] 

 rig''id-a, (pitch-pine, M. Tp .) leaves Avith 

 abbreviated sheaths ; stamlnate aments 

 erect-incumbent ; strobiles ovate, scattered 

 or aggregated ; spines of the scale reflexed. 

 Though very common, it grows most plen- 

 tifully on barren, sandy plain.s. 



varia'hilis, (yellow-pine, M. Tp.) leaves 

 elongated, in pairs and threes, channelled; 

 strobile ovate-conic, mostly solitary; spines 

 of the scales incurved. 



[Leavex in Jives.] 

 stro'bus, (white-pine, M. ^.) leaves in 

 fives, slender ; sheaths very short ; strobile 

 pendulous, cylindrical, longer than tlio 

 leaves; scales loose. Timber soft-fine- 

 grained and light. Extensively used. 

 Sometimes 140 f. 



C. Leaves many, in a fascicle. 



pen"dula, (black larch, tamarack, hack 



matack, M. ^.) leaves deciduous ; strobiles 



oblong ; margins of the scale inllexed ; 



bract guitar-form, with a skuider point. 



Jlc.r/'ilis, leaves in fives, short, and rather 



rigid ; sheaths short and lacerate ; strobile 



erect ; scales large, unarmed ; branches 



very flexible. 



I /a'nx, (common larch, ^.) leaves docidu- 



strobiles ovate, ! ous ; strobiles ovate-oblong ; raargiii.>< of tl-ii 



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