!kiYHiCAri:.i:. (s\vkkt-(;alk family.) 46'J 



leaflets 7-9, lance-obovate or the lower oblong-lanceolate, pointed ; fruit glob- 

 ular or ovoid, with a very thick and hard husk ; nut (jluhulur, not romj/ressi^d, 

 4-ridged toward the slig/itl// pointed smnmit, hroicnish, very thick-shelled, I' in 

 diameter or sr;:i.ller. — N. Eng. to N. shore of L. Erie, E. Nel)., and south to 

 the Gulf. Tree 70-100° high, u.sually on rich upland hillsides. 



5. C. microcarpa, Nutt. With rough clo.se hark, small ovate huds, and 

 the glaltrous lolianc, etc., of n. 6 ; fruit small, subglohose, with rather thin 

 husk; nut thin-shelled, not angled. — N. Y. to Del., west to Mich, and 111. 



» * Bud-scales numerous or feiv ; husk of the fruit thin and rather friable at ma- 

 turitijy A-valved only to the middle or tardilij to near the base ; seed more or 

 less bitter; bark of old trunk not exfoliating. 



6. C. porcina, Nutt. (Pig-nut or Buoom II.) Bud-scales nearly as in 

 n, 4, but smaller, caducous ; shoots, catkins, and leaves glabrous or nearly so ; 

 leaflets 5-7, oblong- or obovate-lanceolate and taj)er-pointed, serrate ; fruit 

 pear-shaped, oblong, or oval ; nut oblong or oval (1^-2' long), with a thick bony 

 shell ; the oily seed at first sweet in taste, then bitterish. — 8. Maine to Fla., 

 west to Minn., E. Neb., and Tex. Tree 70-90° high (rarely 120^), on dry 

 hills and uplands. 



7. C. am^ra, Nutt. (Bitter-nut or Swamp H.) Scales of the small 

 yellowish buds about 6, valvate in pairs, caducous in leafing; catkins and 

 young herbage more or less pubescent, soon becoming almost glabrous ; leaflets 

 7-11, lanceolate or oblong-lanceolate; fruit globular, narrowly 6-ridged; nut 

 globular, short-pointed, white (barely I' long), thin-walled ; seed at first sweet- 

 tasted, soon extremely bitter. — Moist soil, N. Eng. to Fla., west to Minn., E. 

 Neb., and Tex. Tree 50-75° high; husk and nut-shell thinner and less hard 

 than in other species. 



Order 102. MYRICXCE^. (S\vket-(;ale Family.) 



Monoecious or dioecious shrubs, with both kititls of flowers in short scalg 

 catkiyis, and resinous-dotted often fragrant leaves, — differing from the 

 Birches chiefly in the l-celled ovary with a single erect orthotropous 

 ovule, and the drupe-like nut. Involucre and j)erianth none. 



1. MY RICA, L. Bavbekkv. Wa.\-Myrtle. 



The only genus. — Flowers solitary under a scale-like bract and with a pair 

 of bractlcts, tlie sterile in oblong or cyliiulrical, the fertile in ovoid or globular 

 catkins, from axillary scaly buds ; stamens 2-S; filaments somewhat united 

 below; anthers 2-celled. Ovary with 2-8 scales at its base, and 2 thread-like 

 stigmas. Fruit a small globular or oblong nut, or dry drupe, coated with 

 resinous grains or wax. {MvpiKrj, the ancient name of the Tamarisk or some 

 other shrub; perhaps from fivpiCo), to perfume.) 



« Mostly dioecious ; fertile catkins ovoid; ovary with 2-4 scales at base; nut 

 globxdar ; leaves entire or somewhat serrate. 



1. M. Gale, L. (Sweet Gale.) Shrub 3-5° high; leaves wedge-lan- 

 ceolate, serrate toward the apex, pale, later than the flowers ; sterile catkins 

 closely clustered ; nuts in imbricated heads, 2-winged by the two thick ovate 



