SAXIFRAGE FAMILY. 107 



6. HEUCHERA, ALUM ROOT, the rootstock being astringenl. 

 (Named for a German botanist, J. II. Ileacher.) Wild plants ol" 

 rocky woods ; the leaves rounded heart-shaped, and more or less lobed 

 or cut, mostly from the rootstock, often one or two on the tall stalk of 

 the panicle. Flowers mostly greenish, in sumnu'r. 2/ 



* Flowers vei-y small ; stamens and styles prafniding. 



H. Americana, Liini. Common A. The only one N. and E. of Penn. 



(also S. to S. Car.); has scapes and loose panicle (2°-3- high) clamniy- 

 glandnlar and often hairy ; leaves with rounded lobes, and greenish 

 lldwirs in early summer. 



H. vill6sa, Michx. From Md. to Ga. and \V., along the upper coun- 

 try ; is lower, beset with soft, often rusty hairs ; lias deeper-lobed leaves, 

 and very small while or whitish flowers, later in summer. 



* * Flowers larger (the cali/x fulli/ ^' long), in a narrower panicle^ 

 greenish, n-ith stamens little if at all protruding ; leaves round and 

 slightly o-9-lubed. 



H. Mspida, Pursh. IVInuntains of Va. and X. C, W. Tall (scape 

 2C'-4^ high), usually with spreading hairs ; stamens a little protruding. 



H. pubesceus. Pursh. Scapes (1°-;^° high) and petioles roughish- 

 glandular rather than pubescent; stamens shorter than the lobes of the 

 calyx. From Penn. S. 



7. DEUTZIA. (Named for Johnnn Deutz, a botanist of Amsterdam ) 

 Flowering shrubs, with numerous panicles of white or pinkish blos- 

 soms, in late spring and early summer ; the lower side of the leaves, 

 the calyx, etc., beset with minute starry clusters of hairs or scurf. 



D. grdcilis, Sieb. & Zucc. The smaller species, is 2° high, with ovate- 

 lanceolate, sharply serrate leaves, bright green and smooth, and rather 

 small, snow-white flowers, earlier than the next; often forced in green- 

 houses ; filaments forked at the top. Japan. 



D. scabra, Thunb. (or I). crenXt.\ and D. Foktcnei). A tall shrub, 

 rough with the fine pubescence, with pale, ovate or oblong-ovate, minutely 

 crenate-serrate leaves, and rather dull white or pinkish i)lossoms in sum- 

 mer ; the filaments broadest upwards and with a blunt lobe on each side 

 ju.st below the anther. China and Japan. 



8. HYDRANGEA. (Formed of Greek words, water and vase, in 



reference to tlie shape of the capsule.) Flowers summer; often sterile 

 and enlarged, and showy. (Lessons, Fig. 214.) 



* Leaves lohed. 



H. quercif6lia. Bartram. Oak-leaved H. Stout shrub, a'^-O" high, 

 very leafy, downy, with oval, o-lobed, large leaves, and cymes clustered in 

 oblong iKinicle, with numerous sterile flowers. Wild from Ga. S., hardy 

 N. in cult. _ , , , , 



* * Leaves not lobed. 



M- W/ii/e-tomentose beneath. 



H. radiata. Walt, (nr 11. \fvEA), has ovate or somewhat heart- 

 shaped, pointed leaves, very white-woolly beneath, but smooth and green 

 above ; the flat cyme with a few enlarged sterile flowers romid the 

 margin. Wild from v*^. Car. S. and W , and cult. 



