﻿8 BOTANICAL GAZETTE [January 



Explanation of Plate I.— Fig. i, leaf, reduced to Y% natural size.— 



Fig. 2, leaflet, natural size. — Fig, 3, staminate strobile, natural size. — Fig. 

 4, vertical view of stamen, enlarged. — Fig. 5, upper side of stamen, enlarged. 

 — Fig. 6, lower side of stamen, enlarged. — Fig. 7, strobile in fruit, natural 

 size.— Fig. 8j lower side of carpidium, enlarged. — Fig. g, upper side of 

 carpidium, enlarged. — FiG. 10, seed, enlarged. — Fig, ii, vertical section of 

 seed, enlarged. — Fig. 12, embryo, enlarged. 





Ad oras Rio Dolores in fundo Cubilquitz, Depart. Alta Verapaz, Guat., 

 alt. 350™, Jul. igoi, von Ttierckheim, n. 7974 ex PI. Guat. &c., quas ed. 

 Donn Sm. — Eandem plantam, ut videtur, a cl. E. P.Johnson in Yucatan vel 

 Tabasco sub n. 118 lectam in Herb. Kew. inveni. 



Zamia Tuerckheimii Donn. Sm. — Folia glabra 14-jugo-pinnata, 

 rhachi petiolum sparsim minuteque aculeatum bis superante 

 ultra foliola graciliter producta, foliolis suboppositis oblanceo- 

 latis abrupte breviterque acuminatis in basin perangustam attenu- 

 atis integerrimis, nervis in medio folioli 40 et ultra in basi | 



circiter 8. Strobilus ^ lineari-cylindricus pedunculo bis longior, 

 staminibus tota facie inferiore praeter plagam mediam angustam 

 loculigeris. Strobilus $ brevissime pedunculatus longe cuspidato- 

 acuminatus, carpidiorum seriebus et verticalibus et horizontalibus 



+ 



circiter 9. 



Truncus saxifragus primum pendens demum ascendens i.S-S'" longus 

 '^™ crassus nonnunquam furcatus (De Tuerckheim in litt.). Folii rhachis 

 trigona circiter g*^"* longa, internodiis 5-7 ^'^ longis, mucrone terminal! 1.5 '^"^ 

 longo, foliolis firmo-chartaceis supra nitidulis subtus pallidioribus 19-24^"^ 

 longis medio 4-5''"' basi 3'""™ latis. Strobilus^ 14*="^ longus 2.5''°* crassus 

 apiculatus, peltis cano-farinosis truncato-pyramidatis subaequa!iter hexagonis, 

 staminum seriebus verticalibus circiter 24, horizontalibus circiter 36, loculis 

 18-26 globosis discretis vel binatim cohaerentibus. Strobilus 5 pedunculo 2*^™ 

 longo sustentus iS"^*" longus 6"^^ crassus^ cuspide peltis sterilibus adspersa 

 tenuiter conica 3'^'" longa, peltis cinereo-tomentulosis planis hexagonis bis et 



T 



ultra latioribus quam longioribus. Semina coccinea obovoidea 2*^"^ longa 

 j^nim \^^^^ — Monente Thiselton-Dyer, Hort. Bot. Reg. Kew, claro rectore, Z, 

 acumznaiae O^rsi. ex Dyer in HemsL Biol. Centr.-Am., necnon Z,Hotitteanae 

 This. -Dyer, MS. in Herb, Kew, affinis ; haec tamen foliolis falcatis vix 

 acuminatis, ilia foliolis pauctoribus sensim tenuiterque acuminatis, utraque 

 nervis minus crebris, diversa; utriusque strobili ignoti. 



In praecipitiis saxosis udis umbrosis prope Cubilquitz, Depart. Alta Vera- 

 paz, Guat., alt. 350 "', Jul. 1900, von Tuerckheim, n. 7786 ex. PI. Guat. &c., 

 quas ed. Donn. Sm, 



