1895] Undescribed Plantsfrom Guatemala. n 



in panicula evoluta singulae, flaccidae, rhachibus complanatis, 

 glomerulis distichis, floribus subsessilibus binis aut ternis 

 parvulis. Stamina a segmentis patulis perianthii partiti triplo 

 superata staminodiis filiformibus puberulis aequilonga, locellis 

 discretis. Ovarii rudimentum nullum. 



Stem stout, procumbent, branchlets twining. Younger 

 leaves ovate-lanceolate from an acute or rounded base; the 

 mature as broad as long, 5-6 , more or less acuminated, sinus 

 broad and shallow, twice to thrice exceeding petioles, mem- 

 branacebus, pellucid-Hneolate, spotted beneath toward base 

 with numerous large blue glands. Spikes subsessile, 4-6*° 

 long, rachis puberulous, clusters approximated; flowers min- 

 utely pedicelIate,occasionaIIy solitary, equalling elongate-lan- 

 ceolate bract. Perianth l|^ in diam. ; segments oblong, ob- 

 tuse, I-nerved, Filaments inserted at base of segments, 

 little exceeding anthers. Feminine spikes not seen. — Grow- 

 ing over rocks along shores of Rio Turrialba, Prov, Cartago, 

 Costa Rica, alt. 1,600", Mch. 1894, J. D. S., no. 4,969. 



Baltimore^ Md. 



EXPLANATION OF PlATES I-III. 



I. Capparis Heydeana. — Fig. i, flowering branch. — Fig. 2, car- 

 pophore with ovary. — Fig. 3, section of ovary. — Fig. 4, sepal. — Fig. 5, 

 petal, — Fig. 6, stamen. — Fig. 7, carpophore with berry. — Fig. 8, section 

 o£ berry. (Figures 3 and 8 are soraewhat enlarged; the others are 

 natural size.) 



II. Cavendishia callista.^Yxg. t, flowering branch,— Fig. 2, in- 

 \ terior bract subtending raceme.— Fig. 3, bract subtending pedicel. — 

 ^ ' Fig. 4, flower with pediceL— Fig. 5, section of flower with corolla re- 



moved.— Fig. 6, corolla laid open.--Figs. 7 and 8, stamens. (Figs. i- 

 4 are natural size; the others are somewhat raagnified.) 



III; Chaunostoma mecistandrum. — Fig. i, flowering branch.— Fig. 2 

 calyx laid open with pistil.— Fig. 3, corolla in profile with stamens.— 

 Fig. 4, corolla laid open with stamens.— Fig. 5, an anther,— Fig. 6. 

 disk with ovary.— Fig. 7, nucule. (Figures i and 2 are natural size; 

 the others are variously enlarged.) 



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