SAXIFRAGACEAE. — DEUTZIA 17 
** Folia subtus pilis multiradiatis adpressis conspersa v. glabra. 
1 Filamenta edentata v. breviter dentata dentibus antheram non superantibus. 
Calyx stellato-pilosus; folia subtus sparse pilis 6-12-radiatis instructa. 
Petala circa 6 mm. longa; filamenta breviter dentata, rarius edentata; 
corymbus ramulis 1-2 cm. longis. 
Folia crenato-serrulata serraturis incurvis, basi rotundata, subtus 
pilis 8-12-radiatis conspersa; filamenta omnia dentata. 
28. D. corymbosa. 
Folia argute serrulata serraturis porrectis, basi plerumque late cuneata, 
subtus pilis 6—9-radiatis conspersa; filamenta saepe saltem ex- 
feriora edenisí& —. 4 a oe 9 3 4 c1 76 29. D. parviflora, 
Petala cirea 3.5 cm. longa; filamenta subulata; corymbus multiflorus 
ramulis inferioribus ad 3 cm. longis . . . . . . 30. D. micrantha. 
Calyx et corymbus omnino glabra; folia subtus glabra v. sparsissime 
pilis 3-radiatis conspersa; filamenta subulata. 31. D. glabrata. 
ti Filamenta staminum exteriorum manifeste dentata dentibus antheram 
superantibus, interiorum lineari-oblonga antheram longe superantia. 
Folia subtus stellato-pilosa, viridia, pilis 5-6-radiatis conspersa; petala 
extus rubescentes, calycis dentes plerumque purpurei, acuminulata. 
32. D. rubens. 
Folia subtus glaberrima, glauca; petala alba; calycis dentes pallidi, obtusi. 
33. D. hypoglauca. 
ENUMERATION OF THE SPECIES. 
Sect. I. EUDEUTZIA Engler, Nat. Pflanzenfam. III. 29, p. 72 (in part) (1900). — 
Schneider in Mitt. Deutsch. Dendr. Ges. XIII. 176 (1904). 
Subsect. 1. SCABRAE Rehder, n. subsect. 
Latisepalae Schneider in Mitt. Deuisch. Dendr. Ges. XIII. 176 (in part) 
(1904). 
Inflorescence a sessile panicle with an elongated main axis and short, few- or 
several-flowered lateral branchlets; calyx-teeth ovate or triangular, much shorter 
than the tube; petals usually more or less upright; filaments not exceeding the 
anthers, without teeth or with short teeth not reaching the base of the anthers, 
two-thirds or nearly as long as the petals; styles slender, as long or not more than 
one-third shorter than the petals. Here belong, besides the species enumerated 
below, D. hypoleuca Maximowicz, D. Sieboldiana Maximowicz and D. gracilis 
Siebold & Zuccarini. 
1. Deutzia scabra Thunberg. See p. 6. 
2. Deutzia Schneideriana Rehder. See p. 7. 
3. Deutzia ningpoensis Rehder, n. sp. 
Frutex ramulis gracilibus, junioribus rufobrunneis, sparse stellato-pilosis, vetus- 
tioribus pallide griseo-brunneis. Gemmae perulis acutis sparse stellato-pilosae. 
Folia subchartacea, ovato-oblonga, acuminata, basi rotundata v. late cuneata, 
remote et obsolete denticulata v. fere integra, 3.5-7 cm. longa et 1.5-3 cm. lata, 
supra obscure viridia, pilis 4-6-radiatis conspersa, subtus albido-tomentosa, dense 
pilis 12-14-radiatis obtecta, utrinsecus 5-6-costata; petioli stellato-pilosi, 1-2 mm. 
longi. Panicula 5-12 cm. longa et 2.5-6 em. lata, laxe stellato-pilosa, pedicellis 
1-3 mm. longis; flores desunt. Capsula subglobosa, 3-4.5 mm. diam., dense stel- 
lato-pilosa, calycis dentibus dimidium tubum vix superantibus plerumque deciduis; 
stylis 3, gracilibus, cirea 8 mm. longis. 
Chekiang: Ningpo Mts., E. Faber ((Herb. Arnold Arboretum). 
