Mosses identified by E. B. Bartram, PteriiQ^hyta by William R. Maxon, 
Graminaae by A. Chase, Orchidaceae by 0. Ames, Urticaceae by 
E. P. Killip, Catopsis by 1. B. Smith, G-ilibertia by A. C. Smith, 
the remainder by C. V . Morton. 
Species new to the flora of Gosta Rica are indicated by an * 
•'2634. 
^2635. 
^2636. 
>,2637. 
,2638. 
/2639. 
•'2641. 
,2642. 
,2643. 
,2644. 
,2645. 
,'2647. 
,2648. 
l/ 2649. 
-'2650. 
,2651. 
2654. 
- 2655. 
J 2656. 
,2658. 
2660. 
,2661. 
2662. 
,2663. 
2664. 
i/2665. 
,2666. 
-2667. 
,2668. 
, 2669. 
, 2670. 
- 2671. 
^2672. 
, 2673. 
,2676. 
2677. 
,2679. 
'2681. 
,2684. 
,2686. 
"2688. 
Nectandra panamensis Mez 
Eleusine indica (L. ) Gaertn. 
Dioscorea convolvulacea subsp. esurientum Uline 
Marginariopsis Wiesbanrii (Sod.) C. Chr. Rare 
Dioscorea borealis Morton n. sp. type 
Elaphoglossum sp. 
Lantana camara L. 
Cornutia grandifolia C. & S. 
Kyllinga odorata Vahl 
Cyperas diffusus Yahl 
" caracasanus Kunth 
Setaria geniculata (Lam. ) Beauv. 
Sporobolus Poiretii (R. & S.) Hitchc. 
Saracha Rothii (Poir. ) Morton 
Nephrolepis pectinata (Willd. ) Schott 
Saurauia costaricensis D. Sm. 
Barmeistera cyclostignata D. Sm. 
Cassia caudata Standi. * 
Elaphoglossum sp. 
Belotia macrantha Sprague * ex char. 
Ardisia Skutchii Morton, n. sp. type 
Calathea insignis Peters 
Pescatoria cerina Rchb. f. 
Polypodium serpentinum Christ 
Mon st era obliqua (Miq. ) Walp. 
Guarea bullata Radik. First flowering collection 
Frantzia Pittieri (Cogn. ) Pitt. 
Polypodium truncatulum Rosenst. 
Nectandra rectinervia Meisn.? 
Helosis mexicana Liebm. 
Arrabidaea sp. Perhaps new. 
Panicum maximum Jacq. 
Cyperus incompletus (Jacq.) Link 
Helicteres guazumaefolia HBK 
Diastema exiguura Morton * 
Callicostella pallida (Hornsch. ) Jaeg. 
Dryopteris patula (Sw. ) Underw. 
Xanthosoma pilosum Koch 
Xiphidium caeruleum Aubl. 
Aspleniura serratum L. 
Calathea macrosepala Schura. 
