79 



Hibiscearum. Ab Hib 



sessilia, stylum coronantia; 2 carpella 10; 3<> capsulae ad centrum cava?; 

 piacentaria mox divergentia ; axis communis perbrevis ; carpella supra basin 

 sutura ventrali libera, inter se lateraliter coalita, coronam efformantia. 

 ALagunaria differt : i° folia pilis squamiformibus haud vestita; 2 stig- 

 mata io, sessilia, apicemstyli coronantia; 3° fructuscentro cavus, coronam 



simulans; 4 epicalyx 3- 4 bracteatus, bracteis magnis, calycem vixattingen- 

 tibus. 



3. C. tonkinense Gagnep., sp. nov. 



Herba dura vel suffrutex, metralis et ultra, densissime hispida, pilis stel- 

 latis, luteis, rigidis, 2-3 ramosis. Folia cordata, orbiculari-lobata, grosse 

 dentata, supra pilis simplicibus, appressis conspersa, subtus tomentosa, 

 pilis densissimis, aliis flexuosis, aliis stellatis vestita, lobis acutis breviter 

 tnangulis; nervi 7-9, palmati, subtus pilis simplicibus ornati; petiolus la- 

 minam zequans vel ea major, pilis stellatis, densissimis vestitus; stipule 

 tnangula?, hispida^ basi i-auriculata?, auricula brevi. Flores magni, albidi, 

 dein rosei, petalis effusis; pedunculus petiolo multo major, ad apicem ar- 

 ticulatus, validus, pilis stellatis, densis vestitus. Epicalyx hirsutus, basi 

 umbilicatus, bracteis triangulis, liberis, magnis, accrescentibus. Calyx 

 valde effusus, 5-lobatus, epicalyce 2-3-plo major, lobis breviter triangulis, 

 parte coalita 3-4-plo minoribus. Petala late obovata, columna staminea 

 duplo majora, extus pilosula. Anthers numcros^e, haud sessiles. Ovarium 

 tomentosum ; stylus columnam stamineam vix superans. Fructus calyce du- 

 pio minor, in eo inclusus extus intusque hirsutus, centro capsules cavo 

 et piloso; cocci 10, divergentes, aristati ; semina biseriaia, glabra, verru- 

 culosa. — Folia 7-13 cm. diam. ; stipule 10-12 mm. longre, 8-10 mm. lata?, 

 lores 8 cm. alti, 12 cm. expansi; pedunculus i5-2o mm. longus. Epica- 

 lycis bractea? i5 mm. latae, 18-20 mm. longae. Calyx 4 cm. longus. 



Tonkin : entre Phuong-lam et Cho-bo, n° 3; 12 [Balansa). 

 Laos: Luang-prabang(7^o/-e/). 



4- Decaschistia Mouretii Gagnep. sp. nov. 



trutex semi vel metralis, ramis molliter et dense tomentosis, pilis intri- 

 catis. Folia elliptica vel oblonga, basi vix cordata et emarginata> apice 

 rotundata, supra molliter tomentosa, subtus incano-tomentosa, margine 

 undulata; nervi 3, saspe 1, subtus prominentes, laterales usque ad 10 

 utnnque, invicem p marginem anastomosantes, cum venulis retem 



laxumefformantes;/?^/io/w5 brevis, foment os us f apice glandulosus; stipuhv 

 subulate, utrinque 1 velgeminatae. Floresaxillares, terminates, subcapital, 

 dein spicam laxam efformantes; peduncuii tomentosi. Epicalyx 10-11 brae- 

 te atus, pilosus, bracteis lineari-acutis, vix ad basin coalitis. Calyx molliter 

 tomentosus ; lobi 5, late trianguli, acuti, 3-nervi, usque ad medium connati. 



