STANDLEY TKEES AND SHRUBS OF MEXICO. 1213 



3. BONPLANDIA Cav. Anal. Hist. Nat. 2: 131. 1800. 



Plants suffrutesceut, viscid-pubescent; lower leaves alternate, the upper op- 

 posite; flowers geminate, pedicellate; calyx green; corolla bilabiate, the 

 lobes equaling or shorter than the tube ; stamens exerted ; capsule 1 to 3-seeded. 



Only two species are known. 



Leaves linear or pinnate-lobate, with linear lobes 1. B. linearis. 



Leaves and their lobes lanceolate or broader 2. B. geminiflora. 



1. Bonplandia linearis Robinson, Proc. Amer. Acad. 43: 24. 1907. 



Type from Coru, Michoaciln, altitude 1,800 meters ; perhaps also in Durango. 

 Plants glandular-pilose ; upper leaves linear, the lower piunatifid into linear 

 lobes ; corolla purplish, about 2 cm. long. 



2. Bonplandia geminiflora Cav. Anal. Hist. Nat. 2: 131. 1800. 

 Caldasia heterophylla Willd. Hort. Berol. pi 71. 1807. 



Sinaloa to San Luis PotosI, Morelos, and Michoacan. Guatemala. 



Plants a meter high or less, suffrutesceut, ill-scented; lower leaves ovate 

 or lanceolate, lyrate-pinnatifid, serrate, acuminate, petiolate; corolla purplish, 

 2 to 2.5 cm. long, glabrous. 



144. HYDEOPHYLLACEAE. Waterleaf Family. 



Reference: Brand in Engl. Pflanzenreich IV. 251. 1913. 



Shrubs or small trees, or usually herbs; leaves alternate or opposite, simple 

 (in the genera here listed) ; flowers perfect, regular, terminal and axillary, 

 often in scorpioid cymes; calyx 5-parted, inferior, often accrescent in fruit; 

 corolla gamopetalous, 5-lobate ; stamens 5, inserted on the corolla ; styles 1 or 

 2, the stigmas 2, capitate; fruit a capsule, bivalvate, 1-celled, with 2 parietal 

 placentae. 



Several genera are represented in Mexico only by herbaceous species. 



Stamens equal in length; leaves mostly 10 cm, wide or more; plants usually 

 with stinging hairs 1. WIGANDIA. 



Stamens unequal ; leaves much smaller ; plants without stinging hairs. 

 Capsule crustaceous ; leaves often dentate and glutinous__2. ERIODICTYON. 

 Capsule membranaceous; leaves entire, not glutinous 3. CONANTHUS. 



1. WIGANDLA H. B. K. Nov. Gen. & Sp. 3: 127. 1819. 



Shrubs, trees, or large herbs; leaves very large, simple; flowers in scoi'pioid 

 cymes; calyx 5-parted to base; corolla f unnelform-campanulate ; stamens 

 slightly exserted; styles 2, elongate; ovules very numerous; seeds more or 

 less winged. 



Style only slightly longer than the calyx 1. W. caracasana. 



Style twice as long as the calyx. 



Stems usually hispid with stinging hairs; calyx hispid 2. W. kunthii. 



Stems tomentose; calyx not hispid 3. W. scorpioides. 



1. Wigandia caracasana H. B. K. Nov. Gen. & Sp. 3: 100. 1819. 



Wigandia macropliylla Schlecht. & Cham. Linnaea 6: 382. 1831. 



San Luis PotosI, Veracruz, Mexico, and Oaxaca. Guatemala to Colombia 

 and Venezuela ; type from Caracas, Venezuela. 



Plants 3 meters high or less, densely pubescent and usually hispid; leaves 

 ovate to oval, 40 cm. long or less, obtuse, subcordate at base, coarsely crenate, 

 tomentose beneath; sepals 10 to 15 mm. long; corolla purplish, longer than the 



