242 



CAPRIFOLIACEAE. 



[Vol.. III. 



14. Lonicera involucrata (Richards.) Banks. 



(Fig. 3468.) 



Involucred Fly- Honeysuckle. 



Xylosteum involucratum Richards. App. Frank. 



Journ. Ed. 2, 6. 1823. 

 Lonicera involucrata Banks; Richards, loc. cii. 



1823. 



A glabrate or pubescent shrub, 3-io high. 

 Leaves short-petioled, ovate, oval, orobovate, 

 2 / -6 / long, acute or acuminate at the apex, 

 narrowed or rounded at the base, more or less 

 pubescent, at least when young; peduncles 

 axillary, i / -2 / long, 2-3-flowered; bracts folia- 

 ceous, ovate or oval, often cordate; bractlets 

 also large, at length surrounding the fruit; 

 flowers yellow; corolla pubescent, funnel- 

 form, the limb nearly equally 5-lobed; lobes 

 short, little spreading; stamens and style 

 slightly exserted ; berries separate, globose, or 

 oval, nearly black, about 4" in diameter. 



In woodlands, Quebec to western Ontario and 

 Michigan, west to British Columbia and Alaska, 

 south to Arizona, Utah and California. June- 

 July. 



7. DIERVILLA Moench, Meth. 492. 1794. 



Shrubs, with opposite leaves, and yellow axillary and terminal cymose or solitary flow- 

 ers. Calyx-tube slender, elongated, narrowed below, the limb with 5 linear persistent lobes. 

 Corolla narrowly funnelform, the tube slightly gibbous at the base, the limb nearly regular, 

 5-lobed. Stamens 5, inserted on the corolla; anthers linear. Ovary 2-celled; ovules numer- 

 ous in each cavity; style filiform; stigma capitate. Fruit a linear-oblong capsule, narrowed 

 or beaked at the summit, septicidally 2-valved, many-seeded. Seed coat minutely reticu- 

 lated; endosperm fleshy; embryo minute. [Named for Dr. Dierville, who brought the plant 

 to Tournefort.] 



Two species, the following and one in the mountains of the southern States. The Japanese and 

 Chinese Weigelas, often referred to this genus, are here regarded as distinct. 



Diervilla Diervilla (I,.) MacM. 



1. 



Bush Honeysuckle. (Fi 



Lonicera Diervilla I_. Sp. PI. 175. 



3469- ) 



1753- 



492. 



79\- 



Diervilla trifida Moench, Meth. 



D. Diervilla MacM., Bull. Torr. Club, 19: 15! 1892. 



A shrub, i-\ high, glabrous or nearly so 

 throughout, with terete branches. Leaves 

 short-petioled, ovate or oval, acuminate at the 

 apex, usually rounded at the base, 2 / ~5 / long, 

 irregularly crenulate and often slightly ciliate 

 on the margins; peduncles terminal, or in the 

 upper axils, slender, 1-5-flowered; flowers about 

 9" long; corolla more or less pubescent both 

 without and within, regular or slightly irregu- 

 lar, 3 of its lobes somewhat united; capsule gla- 

 brous, linear-oblong, slender, beaked, crowned 

 with the persistent calyx-lobes. 



In dry or rocky woodlands, Newfoundland to the 

 Northwest Territory, south to North Carolina and 

 Michigan. Called also Gravel-weed. May-June. 



Family 36. ADOXACEAE Fritsch; Engl. & Prantl, Nat. 



Abt. 4, 170. 1891. 

 Moschatei, Family. 



Glabrous slender herbs, with scaly or tuberiferous rootstocks, basal and op- 

 posite ternately compound leaves, and small green flowers in terminal capitate 

 clusters. Calyx-tube hemispheric, adnate to the ovary, its limb 2-3-toothed. 

 Corolla rotate, regular, 4-6-lobed. Stamens twice as many as the lobes of the 

 corolla, inserted in pairs on its tube; filaments short; anthers peltate, 1 -celled. 

 Ovary 3-5-celled; style 3-5 -parted; ovules 1 in each cavity, pendulous. Fruit 

 a small drupe with 3-5-nutlets. Endosperm cartilaginous. 



The family contains only the following monotypic genus of the north temperate zone. 



